From: Elaine Zhang zhangqing@rock-chips.com
Add basic clock for rk3588 which including top, peri, mmc, i2c, pwm, gmac and more clocks init.
Signed-off-by: Elaine Zhang zhangqing@rock-chips.com --- .../include/asm/arch-rockchip/cru_rk3588.h | 408 ++++ drivers/clk/rockchip/Makefile | 1 + drivers/clk/rockchip/clk_rk3588.c | 1803 +++++++++++++++++ 3 files changed, 2212 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3588.h create mode 100644 drivers/clk/rockchip/clk_rk3588.c
diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3588.h b/arch/arm/include/asm/arch-rockchip/cru_rk3588.h new file mode 100644 index 0000000000..252e33e35e --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3588.h @@ -0,0 +1,408 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2020 Rockchip Electronics Co. Ltd. + * Author: Elaine Zhang zhangqing@rock-chips.com + */ + +#ifndef _ASM_ARCH_CRU_RK3588_H +#define _ASM_ARCH_CRU_RK3588_H + +#define MHz 1000000 +#define KHz 1000 +#define OSC_HZ (24 * MHz) + +#define LPLL_HZ (816 * MHz) +#define GPLL_HZ (1188 * MHz) +#define CPLL_HZ (1500 * MHz) +#define NPLL_HZ (850 * MHz) +#define PPLL_HZ (100 * MHz) + +/* RK3588 pll id */ +enum rk3588_pll_id { + B0PLL, + B1PLL, + LPLL, + CPLL, + GPLL, + NPLL, + V0PLL, + AUPLL, + PPLL, + PLL_COUNT, +}; + +struct rk3588_clk_info { + unsigned long id; + char *name; + bool is_cru; +}; + +struct rk3588_clk_priv { + struct rk3588_cru *cru; + struct rk3588_grf *grf; + ulong ppll_hz; + ulong gpll_hz; + ulong cpll_hz; + ulong npll_hz; + ulong v0pll_hz; + ulong aupll_hz; + ulong armclk_hz; + ulong armclk_enter_hz; + ulong armclk_init_hz; + bool sync_kernel; + bool set_armclk_rate; +}; + +struct rk3588_pll { + unsigned int con0; + unsigned int con1; + unsigned int con2; + unsigned int con3; + unsigned int con4; + unsigned int reserved0[3]; +}; + +struct rk3588_cru { + struct rk3588_pll pll[18]; + unsigned int reserved0[16];/* Address Offset: 0x0240 */ + unsigned int mode_con00;/* Address Offset: 0x0280 */ + unsigned int reserved1[31];/* Address Offset: 0x0284 */ + unsigned int clksel_con[178]; /* Address Offset: 0x0300 */ + unsigned int reserved2[142];/* Address Offset: 0x05c8 */ + unsigned int clkgate_con[78];/* Address Offset: 0x0800 */ + unsigned int reserved3[50];/* Address Offset: 0x0938 */ + unsigned int softrst_con[78];/* Address Offset: 0x0400 */ + unsigned int reserved4[50];/* Address Offset: 0x0b38 */ + unsigned int glb_cnt_th;/* Address Offset: 0x0c00 */ + unsigned int glb_rst_st;/* Address Offset: 0x0c04 */ + unsigned int glb_srst_fst;/* Address Offset: 0x0c08 */ + unsigned int glb_srsr_snd; /* Address Offset: 0x0c0c */ + unsigned int glb_rst_con;/* Address Offset: 0x0c10 */ + unsigned int reserved5[4];/* Address Offset: 0x0c14 */ + unsigned int sdio_con[2];/* Address Offset: 0x0c24 */ + unsigned int reserved7;/* Address Offset: 0x0c2c */ + unsigned int sdmmc_con[2];/* Address Offset: 0x0c30 */ + unsigned int reserved8[48562];/* Address Offset: 0x0c38 */ + unsigned int pmuclksel_con[21]; /* Address Offset: 0x0100 */ + unsigned int reserved9[299];/* Address Offset: 0x0c38 */ + unsigned int pmuclkgate_con[9]; /* Address Offset: 0x0100 */ +}; + +check_member(rk3588_cru, mode_con00, 0x280); +check_member(rk3588_cru, pmuclksel_con[1], 0x30304); + +struct pll_rate_table { + unsigned long rate; + unsigned int m; + unsigned int p; + unsigned int s; + unsigned int k; +}; + +#define RK3588_PLL_CON(x) ((x) * 0x4) +#define RK3588_MODE_CON 0x280 + +#define RK3588_PHP_CRU_BASE 0x8000 +#define RK3588_PMU_CRU_BASE 0x30000 +#define RK3588_BIGCORE0_CRU_BASE 0x50000 +#define RK3588_BIGCORE1_CRU_BASE 0x52000 +#define RK3588_DSU_CRU_BASE 0x58000 + +#define RK3588_PLL_CON(x) ((x) * 0x4) +#define RK3588_MODE_CON0 0x280 +#define RK3588_CLKSEL_CON(x) ((x) * 0x4 + 0x300) +#define RK3588_CLKGATE_CON(x) ((x) * 0x4 + 0x800) +#define RK3588_SOFTRST_CON(x) ((x) * 0x4 + 0xa00) +#define RK3588_GLB_CNT_TH 0xc00 +#define RK3588_GLB_SRST_FST 0xc08 +#define RK3588_GLB_SRST_SND 0xc0c +#define RK3588_GLB_RST_CON 0xc10 +#define RK3588_GLB_RST_ST 0xc04 +#define RK3588_SDIO_CON0 0xC24 +#define RK3588_SDIO_CON1 0xC28 +#define RK3588_SDMMC_CON0 0xC30 +#define RK3588_SDMMC_CON1 0xC34 + +#define RK3588_PHP_CLKGATE_CON(x) ((x) * 0x4 + RK3588_PHP_CRU_BASE + 0x800) +#define RK3588_PHP_SOFTRST_CON(x) ((x) * 0x4 + RK3588_PHP_CRU_BASE + 0xa00) + +#define RK3588_PMU_PLL_CON(x) ((x) * 0x4 + RK3588_PHP_CRU_BASE) +#define RK3588_PMU_CLKSEL_CON(x) ((x) * 0x4 + RK3588_PMU_CRU_BASE + 0x300) +#define RK3588_PMU_CLKGATE_CON(x) ((x) * 0x4 + RK3588_PMU_CRU_BASE + 0x800) +#define RK3588_PMU_SOFTRST_CON(x) ((x) * 0x4 + RK3588_PMU_CRU_BASE + 0xa00) + +#define RK3588_B0_PLL_CON(x) ((x) * 0x4 + RK3588_BIGCORE0_CRU_BASE) +#define RK3588_B0_PLL_MODE_CON (RK3588_BIGCORE0_CRU_BASE + 0x280) +#define RK3588_BIGCORE0_CLKSEL_CON(x) ((x) * 0x4 + RK3588_BIGCORE0_CRU_BASE + 0x300) +#define RK3588_BIGCORE0_CLKGATE_CON(x) ((x) * 0x4 + RK3588_BIGCORE0_CRU_BASE + 0x800) +#define RK3588_BIGCORE0_SOFTRST_CON(x) ((x) * 0x4 + RK3588_BIGCORE0_CRU_BASE + 0xa00) +#define RK3588_B1_PLL_CON(x) ((x) * 0x4 + RK3588_BIGCORE1_CRU_BASE) +#define RK3588_B1_PLL_MODE_CON (RK3588_BIGCORE1_CRU_BASE + 0x280) +#define RK3588_BIGCORE1_CLKSEL_CON(x) ((x) * 0x4 + RK3588_BIGCORE1_CRU_BASE + 0x300) +#define RK3588_BIGCORE1_CLKGATE_CON(x) ((x) * 0x4 + RK3588_BIGCORE1_CRU_BASE + 0x800) +#define RK3588_BIGCORE1_SOFTRST_CON(x) ((x) * 0x4 + RK3588_BIGCORE1_CRU_BASE + 0xa00) +#define RK3588_LPLL_CON(x) ((x) * 0x4 + RK3588_DSU_CRU_BASE) +#define RK3588_LPLL_MODE_CON (RK3588_DSU_CRU_BASE + 0x280) +#define RK3588_DSU_CLKSEL_CON(x) ((x) * 0x4 + RK3588_DSU_CRU_BASE + 0x300) +#define RK3588_DSU_CLKGATE_CON(x) ((x) * 0x4 + RK3588_DSU_CRU_BASE + 0x800) +#define RK3588_DSU_SOFTRST_CON(x) ((x) * 0x4 + RK3588_DSU_CRU_BASE + 0xa00) + +enum { + /* CRU_CLK_SEL8_CON */ + ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT = 14, + ACLK_LOW_TOP_ROOT_SRC_SEL_MASK = 1 << ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT, + ACLK_LOW_TOP_ROOT_SRC_SEL_GPLL = 0, + ACLK_LOW_TOP_ROOT_SRC_SEL_CPLL, + ACLK_LOW_TOP_ROOT_DIV_SHIFT = 9, + ACLK_LOW_TOP_ROOT_DIV_MASK = 0x1f << ACLK_LOW_TOP_ROOT_DIV_SHIFT, + PCLK_TOP_ROOT_SEL_SHIFT = 7, + PCLK_TOP_ROOT_SEL_MASK = 3 << PCLK_TOP_ROOT_SEL_SHIFT, + PCLK_TOP_ROOT_SEL_100M = 0, + PCLK_TOP_ROOT_SEL_50M, + PCLK_TOP_ROOT_SEL_24M, + ACLK_TOP_ROOT_SRC_SEL_SHIFT = 5, + ACLK_TOP_ROOT_SRC_SEL_MASK = 3 << ACLK_TOP_ROOT_SRC_SEL_SHIFT, + ACLK_TOP_ROOT_SRC_SEL_GPLL = 0, + ACLK_TOP_ROOT_SRC_SEL_CPLL, + ACLK_TOP_ROOT_SRC_SEL_AUPLL, + ACLK_TOP_ROOT_DIV_SHIFT = 0, + ACLK_TOP_ROOT_DIV_MASK = 0x1f << ACLK_TOP_ROOT_DIV_SHIFT, + + /* CRU_CLK_SEL9_CON */ + ACLK_TOP_S400_SEL_SHIFT = 8, + ACLK_TOP_S400_SEL_MASK = 3 << ACLK_TOP_S400_SEL_SHIFT, + ACLK_TOP_S400_SEL_400M = 0, + ACLK_TOP_S400_SEL_200M, + ACLK_TOP_S200_SEL_SHIFT = 6, + ACLK_TOP_S200_SEL_MASK = 3 << ACLK_TOP_S200_SEL_SHIFT, + ACLK_TOP_S200_SEL_200M = 0, + ACLK_TOP_S200_SEL_100M, + + /* CRU_CLK_SEL38_CON */ + CLK_I2C8_SEL_SHIFT = 13, + CLK_I2C8_SEL_MASK = 1 << CLK_I2C8_SEL_SHIFT, + CLK_I2C7_SEL_SHIFT = 12, + CLK_I2C7_SEL_MASK = 1 << CLK_I2C7_SEL_SHIFT, + CLK_I2C6_SEL_SHIFT = 11, + CLK_I2C6_SEL_MASK = 1 << CLK_I2C6_SEL_SHIFT, + CLK_I2C5_SEL_SHIFT = 10, + CLK_I2C5_SEL_MASK = 1 << CLK_I2C5_SEL_SHIFT, + CLK_I2C4_SEL_SHIFT = 9, + CLK_I2C4_SEL_MASK = 1 << CLK_I2C4_SEL_SHIFT, + CLK_I2C3_SEL_SHIFT = 8, + CLK_I2C3_SEL_MASK = 1 << CLK_I2C3_SEL_SHIFT, + CLK_I2C2_SEL_SHIFT = 7, + CLK_I2C2_SEL_MASK = 1 << CLK_I2C2_SEL_SHIFT, + CLK_I2C1_SEL_SHIFT = 6, + CLK_I2C1_SEL_MASK = 1 << CLK_I2C1_SEL_SHIFT, + ACLK_BUS_ROOT_SEL_SHIFT = 5, + ACLK_BUS_ROOT_SEL_MASK = 3 << ACLK_BUS_ROOT_SEL_SHIFT, + ACLK_BUS_ROOT_SEL_GPLL = 0, + ACLK_BUS_ROOT_SEL_CPLL, + ACLK_BUS_ROOT_DIV_SHIFT = 0, + ACLK_BUS_ROOT_DIV_MASK = 0x1f << ACLK_BUS_ROOT_DIV_SHIFT, + + /* CRU_CLK_SEL40_CON */ + CLK_SARADC_SEL_SHIFT = 14, + CLK_SARADC_SEL_MASK = 0x1 << CLK_SARADC_SEL_SHIFT, + CLK_SARADC_SEL_GPLL = 0, + CLK_SARADC_SEL_24M, + CLK_SARADC_DIV_SHIFT = 6, + CLK_SARADC_DIV_MASK = 0xff << CLK_SARADC_DIV_SHIFT, + + /* CRU_CLK_SEL41_CON */ + CLK_UART_SRC_SEL_SHIFT = 14, + CLK_UART_SRC_SEL_MASK = 0x1 << CLK_UART_SRC_SEL_SHIFT, + CLK_UART_SRC_SEL_GPLL = 0, + CLK_UART_SRC_SEL_CPLL, + CLK_UART_SRC_DIV_SHIFT = 9, + CLK_UART_SRC_DIV_MASK = 0x1f << CLK_UART_SRC_DIV_SHIFT, + CLK_TSADC_SEL_SHIFT = 8, + CLK_TSADC_SEL_MASK = 0x1 << CLK_TSADC_SEL_SHIFT, + CLK_TSADC_SEL_GPLL = 0, + CLK_TSADC_SEL_24M, + CLK_TSADC_DIV_SHIFT = 0, + CLK_TSADC_DIV_MASK = 0xff << CLK_TSADC_DIV_SHIFT, + + /* CRU_CLK_SEL42_CON */ + CLK_UART_FRAC_NUMERATOR_SHIFT = 16, + CLK_UART_FRAC_NUMERATOR_MASK = 0xffff << 16, + CLK_UART_FRAC_DENOMINATOR_SHIFT = 0, + CLK_UART_FRAC_DENOMINATOR_MASK = 0xffff, + + /* CRU_CLK_SEL43_CON */ + CLK_UART_SEL_SHIFT = 0, + CLK_UART_SEL_MASK = 0x3 << CLK_UART_SEL_SHIFT, + CLK_UART_SEL_SRC = 0, + CLK_UART_SEL_FRAC, + CLK_UART_SEL_XIN24M, + + /* CRU_CLK_SEL59_CON */ + CLK_PWM2_SEL_SHIFT = 14, + CLK_PWM2_SEL_MASK = 3 << CLK_PWM2_SEL_SHIFT, + CLK_PWM1_SEL_SHIFT = 12, + CLK_PWM1_SEL_MASK = 3 << CLK_PWM1_SEL_SHIFT, + CLK_SPI4_SEL_SHIFT = 10, + CLK_SPI4_SEL_MASK = 3 << CLK_SPI4_SEL_SHIFT, + CLK_SPI3_SEL_SHIFT = 8, + CLK_SPI3_SEL_MASK = 3 << CLK_SPI3_SEL_SHIFT, + CLK_SPI2_SEL_SHIFT = 6, + CLK_SPI2_SEL_MASK = 3 << CLK_SPI2_SEL_SHIFT, + CLK_SPI1_SEL_SHIFT = 4, + CLK_SPI1_SEL_MASK = 3 << CLK_SPI1_SEL_SHIFT, + CLK_SPI0_SEL_SHIFT = 2, + CLK_SPI0_SEL_MASK = 3 << CLK_SPI0_SEL_SHIFT, + CLK_SPI_SEL_200M = 0, + CLK_SPI_SEL_150M, + CLK_SPI_SEL_24M, + + /* CRU_CLK_SEL60_CON */ + CLK_PWM3_SEL_SHIFT = 0, + CLK_PWM3_SEL_MASK = 3 << CLK_PWM3_SEL_SHIFT, + CLK_PWM_SEL_100M = 0, + CLK_PWM_SEL_50M, + CLK_PWM_SEL_24M, + + /* CRU_CLK_SEL77_CON */ + CCLK_EMMC_SEL_SHIFT = 14, + CCLK_EMMC_SEL_MASK = 3 << CCLK_EMMC_SEL_SHIFT, + CCLK_EMMC_SEL_GPLL = 0, + CCLK_EMMC_SEL_CPLL, + CCLK_EMMC_SEL_24M, + CCLK_EMMC_DIV_SHIFT = 8, + CCLK_EMMC_DIV_MASK = 0x3f << CCLK_EMMC_DIV_SHIFT, + + /* CRU_CLK_SEL78_CON */ + SCLK_SFC_SEL_SHIFT = 12, + SCLK_SFC_SEL_MASK = 3 << SCLK_SFC_SEL_SHIFT, + SCLK_SFC_SEL_GPLL = 0, + SCLK_SFC_SEL_CPLL, + SCLK_SFC_SEL_24M, + SCLK_SFC_DIV_SHIFT = 6, + SCLK_SFC_DIV_MASK = 0x3f << SCLK_SFC_DIV_SHIFT, + BCLK_EMMC_SEL_SHIFT = 5, + BCLK_EMMC_SEL_MASK = 1 << BCLK_EMMC_SEL_SHIFT, + BCLK_EMMC_SEL_GPLL = 0, + BCLK_EMMC_SEL_CPLL, + BCLK_EMMC_DIV_SHIFT = 0, + BCLK_EMMC_DIV_MASK = 0x1f << BCLK_EMMC_DIV_SHIFT, + + /* CRU_CLK_SEL81_CON */ + CLK_GMAC1_PTP_SEL_SHIFT = 13, + CLK_GMAC1_PTP_SEL_MASK = 1 << CLK_GMAC1_PTP_SEL_SHIFT, + CLK_GMAC1_PTP_SEL_CPLL = 0, + CLK_GMAC1_PTP_DIV_SHIFT = 7, + CLK_GMAC1_PTP_DIV_MASK = 0x3f << CLK_GMAC1_PTP_DIV_SHIFT, + CLK_GMAC0_PTP_SEL_SHIFT = 6, + CLK_GMAC0_PTP_SEL_MASK = 1 << CLK_GMAC0_PTP_SEL_SHIFT, + CLK_GMAC0_PTP_SEL_CPLL = 0, + CLK_GMAC0_PTP_DIV_SHIFT = 0, + CLK_GMAC0_PTP_DIV_MASK = 0x3f << CLK_GMAC0_PTP_DIV_SHIFT, + + /* CRU_CLK_SEL83_CON */ + CLK_GMAC_125M_SEL_SHIFT = 15, + CLK_GMAC_125M_SEL_MASK = 1 << CLK_GMAC_125M_SEL_SHIFT, + CLK_GMAC_125M_SEL_GPLL = 0, + CLK_GMAC_125M_SEL_CPLL, + CLK_GMAC_125M_DIV_SHIFT = 8, + CLK_GMAC_125M_DIV_MASK = 0x7f << CLK_GMAC_125M_DIV_SHIFT, + + /* CRU_CLK_SEL84_CON */ + CLK_GMAC_50M_SEL_SHIFT = 7, + CLK_GMAC_50M_SEL_MASK = 1 << CLK_GMAC_50M_SEL_SHIFT, + CLK_GMAC_50M_SEL_GPLL = 0, + CLK_GMAC_50M_SEL_CPLL, + CLK_GMAC_50M_DIV_SHIFT = 0, + CLK_GMAC_50M_DIV_MASK = 0x7f << CLK_GMAC_50M_DIV_SHIFT, + + /* CRU_CLK_SEL110_CON */ + HCLK_VOP_ROOT_SEL_SHIFT = 10, + HCLK_VOP_ROOT_SEL_MASK = 3 << HCLK_VOP_ROOT_SEL_SHIFT, + HCLK_VOP_ROOT_SEL_200M = 0, + HCLK_VOP_ROOT_SEL_100M, + HCLK_VOP_ROOT_SEL_50M, + HCLK_VOP_ROOT_SEL_24M, + ACLK_VOP_LOW_ROOT_SEL_SHIFT = 8, + ACLK_VOP_LOW_ROOT_SEL_MASK = 3 << ACLK_VOP_LOW_ROOT_SEL_SHIFT, + ACLK_VOP_LOW_ROOT_SEL_400M = 0, + ACLK_VOP_LOW_ROOT_SEL_200M, + ACLK_VOP_LOW_ROOT_SEL_100M, + ACLK_VOP_LOW_ROOT_SEL_24M, + ACLK_VOP_ROOT_SEL_SHIFT = 5, + ACLK_VOP_ROOT_SEL_MASK = 3 << ACLK_VOP_ROOT_SEL_SHIFT, + ACLK_VOP_ROOT_SEL_GPLL = 0, + ACLK_VOP_ROOT_SEL_CPLL, + ACLK_VOP_ROOT_SEL_AUPLL, + ACLK_VOP_ROOT_SEL_NPLL, + ACLK_VOP_ROOT_SEL_SPLL, + ACLK_VOP_ROOT_DIV_SHIFT = 0, + ACLK_VOP_ROOT_DIV_MASK = 0x1f << ACLK_VOP_ROOT_DIV_SHIFT, + + /* CRU_CLK_SEL111_CON */ + DCLK1_VOP_SRC_SEL_SHIFT = 14, + DCLK1_VOP_SRC_SEL_MASK = 3 << DCLK1_VOP_SRC_SEL_SHIFT, + DCLK1_VOP_SRC_DIV_SHIFT = 9, + DCLK1_VOP_SRC_DIV_MASK = 0x1f << DCLK1_VOP_SRC_DIV_SHIFT, + DCLK0_VOP_SRC_SEL_SHIFT = 7, + DCLK0_VOP_SRC_SEL_MASK = 3 << DCLK0_VOP_SRC_SEL_SHIFT, + DCLK_VOP_SRC_SEL_GPLL = 0, + DCLK_VOP_SRC_SEL_CPLL, + DCLK_VOP_SRC_SEL_V0PLL, + DCLK_VOP_SRC_SEL_AUPLL, + DCLK0_VOP_SRC_DIV_SHIFT = 0, + DCLK0_VOP_SRC_DIV_MASK = 0x7f << DCLK0_VOP_SRC_DIV_SHIFT, + + /* CRU_CLK_SEL112_CON */ + DCLK2_VOP_SRC_SEL_SHIFT = 5, + DCLK2_VOP_SRC_SEL_MASK = 3 << DCLK2_VOP_SRC_SEL_SHIFT, + DCLK2_VOP_SRC_DIV_SHIFT = 0, + DCLK2_VOP_SRC_DIV_MASK = 0x1f << DCLK2_VOP_SRC_DIV_SHIFT, + + /* CRU_CLK_SEL113_CON */ + DCLK3_VOP_SRC_SEL_SHIFT = 7, + DCLK3_VOP_SRC_SEL_MASK = 3 << DCLK3_VOP_SRC_SEL_SHIFT, + DCLK3_VOP_SRC_DIV_SHIFT = 0, + DCLK3_VOP_SRC_DIV_MASK = 0x7f << DCLK3_VOP_SRC_DIV_SHIFT, + + /* CRU_CLK_SEL165_CON */ + PCLK_CENTER_ROOT_SEL_SHIFT = 6, + PCLK_CENTER_ROOT_SEL_MASK = 3 << PCLK_CENTER_ROOT_SEL_SHIFT, + PCLK_CENTER_ROOT_SEL_200M = 0, + PCLK_CENTER_ROOT_SEL_100M, + PCLK_CENTER_ROOT_SEL_50M, + PCLK_CENTER_ROOT_SEL_24M, + HCLK_CENTER_ROOT_SEL_SHIFT = 4, + HCLK_CENTER_ROOT_SEL_MASK = 3 << HCLK_CENTER_ROOT_SEL_SHIFT, + HCLK_CENTER_ROOT_SEL_400M = 0, + HCLK_CENTER_ROOT_SEL_200M, + HCLK_CENTER_ROOT_SEL_100M, + HCLK_CENTER_ROOT_SEL_24M, + ACLK_CENTER_LOW_ROOT_SEL_SHIFT = 2, + ACLK_CENTER_LOW_ROOT_SEL_MASK = 3 << ACLK_CENTER_LOW_ROOT_SEL_SHIFT, + ACLK_CENTER_LOW_ROOT_SEL_500M = 0, + ACLK_CENTER_LOW_ROOT_SEL_250M, + ACLK_CENTER_LOW_ROOT_SEL_100M, + ACLK_CENTER_LOW_ROOT_SEL_24M, + ACLK_CENTER_ROOT_SEL_SHIFT = 0, + ACLK_CENTER_ROOT_SEL_MASK = 3 << ACLK_CENTER_ROOT_SEL_SHIFT, + ACLK_CENTER_ROOT_SEL_700M = 0, + ACLK_CENTER_ROOT_SEL_400M, + ACLK_CENTER_ROOT_SEL_200M, + ACLK_CENTER_ROOT_SEL_24M, + + /* CRU_CLK_SEL172_CON */ + CCLK_SDIO_SRC_SEL_SHIFT = 8, + CCLK_SDIO_SRC_SEL_MASK = 3 << CCLK_SDIO_SRC_SEL_SHIFT, + CCLK_SDIO_SRC_SEL_GPLL = 0, + CCLK_SDIO_SRC_SEL_CPLL, + CCLK_SDIO_SRC_SEL_24M, + CCLK_SDIO_SRC_DIV_SHIFT = 2, + CCLK_SDIO_SRC_DIV_MASK = 0x3f << CCLK_SDIO_SRC_DIV_SHIFT, + + /* PMUCRU_CLK_SEL3_CON */ + CLK_I2C0_SEL_SHIFT = 6, + CLK_I2C0_SEL_MASK = 1 << CLK_I2C0_SEL_SHIFT, + CLK_I2C_SEL_200M = 0, + CLK_I2C_SEL_100M, +}; +#endif diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index f719f4e379..9e379cc2e3 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -16,5 +16,6 @@ obj-$(CONFIG_ROCKCHIP_RK3328) += clk_rk3328.o obj-$(CONFIG_ROCKCHIP_RK3368) += clk_rk3368.o obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o obj-$(CONFIG_ROCKCHIP_RK3568) += clk_rk3568.o +obj-$(CONFIG_ROCKCHIP_RK3588) += clk_rk3588.o obj-$(CONFIG_ROCKCHIP_RV1108) += clk_rv1108.o obj-$(CONFIG_ROCKCHIP_RV1126) += clk_rv1126.o diff --git a/drivers/clk/rockchip/clk_rk3588.c b/drivers/clk/rockchip/clk_rk3588.c new file mode 100644 index 0000000000..f5d1dc99eb --- /dev/null +++ b/drivers/clk/rockchip/clk_rk3588.c @@ -0,0 +1,1803 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 Rockchip Electronics Co., Ltd + * Author: Elaine Zhang zhangqing@rock-chips.com + */ + +#include <common.h> +#include <bitfield.h> +#include <clk-uclass.h> +#include <dm.h> +#include <errno.h> +#include <syscon.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/cru_rk3588.h> +#include <asm/arch-rockchip/hardware.h> +#include <asm/io.h> +#include <dm/lists.h> +#include <dt-bindings/clock/rk3588-cru.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1)) + +static struct rockchip_pll_rate_table rk3588_pll_rates[] = { + /* _mhz, _p, _m, _s, _k */ + RK3588_PLL_RATE(1500000000, 2, 250, 1, 0), + RK3588_PLL_RATE(1200000000, 2, 200, 1, 0), + RK3588_PLL_RATE(1188000000, 2, 198, 1, 0), + RK3588_PLL_RATE(1008000000, 2, 336, 2, 0), + RK3588_PLL_RATE(1000000000, 3, 500, 2, 0), + RK3588_PLL_RATE(900000000, 2, 300, 2, 0), + RK3588_PLL_RATE(850000000, 3, 425, 2, 0), + RK3588_PLL_RATE(816000000, 2, 272, 2, 0), + RK3588_PLL_RATE(600000000, 2, 200, 2, 0), + RK3588_PLL_RATE(594000000, 2, 198, 2, 0), + RK3588_PLL_RATE(200000000, 3, 400, 4, 0), + RK3588_PLL_RATE(100000000, 3, 400, 5, 0), + { /* sentinel */ }, +}; + +static struct rockchip_pll_clock rk3588_pll_clks[] = { + [B0PLL] = PLL(pll_rk3588, PLL_B0PLL, RK3588_B0_PLL_CON(0), + RK3588_B0_PLL_MODE_CON, 0, 15, 0, + rk3588_pll_rates), + [B1PLL] = PLL(pll_rk3588, PLL_B1PLL, RK3588_B1_PLL_CON(8), + RK3588_B1_PLL_MODE_CON, 0, 15, 0, + rk3588_pll_rates), + [LPLL] = PLL(pll_rk3588, PLL_LPLL, RK3588_LPLL_CON(16), + RK3588_LPLL_MODE_CON, 0, 15, 0, rk3588_pll_rates), + [V0PLL] = PLL(pll_rk3588, PLL_V0PLL, RK3588_PLL_CON(88), + RK3588_MODE_CON0, 4, 15, 0, rk3588_pll_rates), + [AUPLL] = PLL(pll_rk3588, PLL_AUPLL, RK3588_PLL_CON(96), + RK3588_MODE_CON0, 6, 15, 0, rk3588_pll_rates), + [CPLL] = PLL(pll_rk3588, PLL_CPLL, RK3588_PLL_CON(104), + RK3588_MODE_CON0, 8, 15, 0, rk3588_pll_rates), + [GPLL] = PLL(pll_rk3588, PLL_GPLL, RK3588_PLL_CON(112), + RK3588_MODE_CON0, 2, 15, 0, rk3588_pll_rates), + [NPLL] = PLL(pll_rk3588, PLL_NPLL, RK3588_PLL_CON(120), + RK3588_MODE_CON0, 0, 15, 0, rk3588_pll_rates), + [PPLL] = PLL(pll_rk3588, PLL_PPLL, RK3588_PMU_PLL_CON(128), + RK3588_MODE_CON0, 10, 15, 0, rk3588_pll_rates), +}; + +#ifndef CONFIG_SPL_BUILD +/* + * + * rational_best_approximation(31415, 10000, + * (1 << 8) - 1, (1 << 5) - 1, &n, &d); + * + * you may look at given_numerator as a fixed point number, + * with the fractional part size described in given_denominator. + * + * for theoretical background, see: + * http://en.wikipedia.org/wiki/Continued_fraction + */ +static void rational_best_approximation(unsigned long given_numerator, + unsigned long given_denominator, + unsigned long max_numerator, + unsigned long max_denominator, + unsigned long *best_numerator, + unsigned long *best_denominator) +{ + unsigned long n, d, n0, d0, n1, d1; + + n = given_numerator; + d = given_denominator; + n0 = 0; + d1 = 0; + n1 = 1; + d0 = 1; + for (;;) { + unsigned long t, a; + + if (n1 > max_numerator || d1 > max_denominator) { + n1 = n0; + d1 = d0; + break; + } + if (d == 0) + break; + t = d; + a = n / d; + d = n % d; + n = t; + t = n0 + a * n1; + n0 = n1; + n1 = t; + t = d0 + a * d1; + d0 = d1; + d1 = t; + } + *best_numerator = n1; + *best_denominator = d1; +} +#endif + +static ulong rk3588_center_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 con, sel, rate; + + switch (clk_id) { + case ACLK_CENTER_ROOT: + con = readl(&cru->clksel_con[165]); + sel = (con & ACLK_CENTER_ROOT_SEL_MASK) >> + ACLK_CENTER_ROOT_SEL_SHIFT; + if (sel == ACLK_CENTER_ROOT_SEL_700M) + rate = 702 * MHz; + else if (sel == ACLK_CENTER_ROOT_SEL_400M) + rate = 396 * MHz; + else if (sel == ACLK_CENTER_ROOT_SEL_200M) + rate = 200 * MHz; + else + rate = OSC_HZ; + break; + case ACLK_CENTER_LOW_ROOT: + con = readl(&cru->clksel_con[165]); + sel = (con & ACLK_CENTER_LOW_ROOT_SEL_MASK) >> + ACLK_CENTER_LOW_ROOT_SEL_SHIFT; + if (sel == ACLK_CENTER_LOW_ROOT_SEL_500M) + rate = 500 * MHz; + else if (sel == ACLK_CENTER_LOW_ROOT_SEL_250M) + rate = 250 * MHz; + else if (sel == ACLK_CENTER_LOW_ROOT_SEL_100M) + rate = 100 * MHz; + else + rate = OSC_HZ; + break; + case HCLK_CENTER_ROOT: + con = readl(&cru->clksel_con[165]); + sel = (con & HCLK_CENTER_ROOT_SEL_MASK) >> + HCLK_CENTER_ROOT_SEL_SHIFT; + if (sel == HCLK_CENTER_ROOT_SEL_400M) + rate = 396 * MHz; + else if (sel == HCLK_CENTER_ROOT_SEL_200M) + rate = 200 * MHz; + else if (sel == HCLK_CENTER_ROOT_SEL_100M) + rate = 100 * MHz; + else + rate = OSC_HZ; + break; + case PCLK_CENTER_ROOT: + con = readl(&cru->clksel_con[165]); + sel = (con & PCLK_CENTER_ROOT_SEL_MASK) >> + PCLK_CENTER_ROOT_SEL_SHIFT; + if (sel == PCLK_CENTER_ROOT_SEL_200M) + rate = 200 * MHz; + else if (sel == PCLK_CENTER_ROOT_SEL_100M) + rate = 100 * MHz; + else if (sel == PCLK_CENTER_ROOT_SEL_50M) + rate = 50 * MHz; + else + rate = OSC_HZ; + break; + default: + return -ENOENT; + } + + return rate; +} + +static ulong rk3588_center_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk; + + switch (clk_id) { + case ACLK_CENTER_ROOT: + if (rate >= 700 * MHz) + src_clk = ACLK_CENTER_ROOT_SEL_700M; + else if (rate >= 396 * MHz) + src_clk = ACLK_CENTER_ROOT_SEL_400M; + else if (rate >= 200 * MHz) + src_clk = ACLK_CENTER_ROOT_SEL_200M; + else + src_clk = ACLK_CENTER_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[165], + ACLK_CENTER_ROOT_SEL_MASK, + src_clk << ACLK_CENTER_ROOT_SEL_SHIFT); + break; + case ACLK_CENTER_LOW_ROOT: + if (rate >= 500 * MHz) + src_clk = ACLK_CENTER_LOW_ROOT_SEL_500M; + else if (rate >= 250 * MHz) + src_clk = ACLK_CENTER_LOW_ROOT_SEL_250M; + else if (rate >= 99 * MHz) + src_clk = ACLK_CENTER_LOW_ROOT_SEL_100M; + else + src_clk = ACLK_CENTER_LOW_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[165], + ACLK_CENTER_LOW_ROOT_SEL_MASK, + src_clk << ACLK_CENTER_LOW_ROOT_SEL_SHIFT); + break; + case HCLK_CENTER_ROOT: + if (rate >= 396 * MHz) + src_clk = HCLK_CENTER_ROOT_SEL_400M; + else if (rate >= 198 * MHz) + src_clk = HCLK_CENTER_ROOT_SEL_200M; + else if (rate >= 99 * MHz) + src_clk = HCLK_CENTER_ROOT_SEL_100M; + else + src_clk = HCLK_CENTER_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[165], + HCLK_CENTER_ROOT_SEL_MASK, + src_clk << HCLK_CENTER_ROOT_SEL_SHIFT); + break; + case PCLK_CENTER_ROOT: + if (rate >= 198 * MHz) + src_clk = PCLK_CENTER_ROOT_SEL_200M; + else if (rate >= 99 * MHz) + src_clk = PCLK_CENTER_ROOT_SEL_100M; + else if (rate >= 50 * MHz) + src_clk = PCLK_CENTER_ROOT_SEL_50M; + else + src_clk = PCLK_CENTER_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[165], + PCLK_CENTER_ROOT_SEL_MASK, + src_clk << PCLK_CENTER_ROOT_SEL_SHIFT); + break; + default: + printf("do not support this center freq\n"); + return -EINVAL; + } + + return rk3588_center_get_clk(priv, clk_id); +} + +static ulong rk3588_top_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 con, sel, div, rate, prate; + + switch (clk_id) { + case ACLK_TOP_ROOT: + con = readl(&cru->clksel_con[8]); + div = (con & ACLK_TOP_ROOT_DIV_MASK) >> + ACLK_TOP_ROOT_DIV_SHIFT; + sel = (con & ACLK_TOP_ROOT_SRC_SEL_MASK) >> + ACLK_TOP_ROOT_SRC_SEL_SHIFT; + if (sel == ACLK_TOP_ROOT_SRC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = priv->cpll_hz; + return DIV_TO_RATE(prate, div); + case ACLK_LOW_TOP_ROOT: + con = readl(&cru->clksel_con[8]); + div = (con & ACLK_LOW_TOP_ROOT_DIV_MASK) >> + ACLK_LOW_TOP_ROOT_DIV_SHIFT; + sel = (con & ACLK_LOW_TOP_ROOT_SRC_SEL_MASK) >> + ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT; + if (sel == ACLK_LOW_TOP_ROOT_SRC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = priv->gpll_hz; + return DIV_TO_RATE(prate, div); + case PCLK_TOP_ROOT: + con = readl(&cru->clksel_con[8]); + sel = (con & PCLK_TOP_ROOT_SEL_MASK) >> PCLK_TOP_ROOT_SEL_SHIFT; + if (sel == PCLK_TOP_ROOT_SEL_100M) + rate = 100 * MHz; + else if (sel == PCLK_TOP_ROOT_SEL_50M) + rate = 50 * MHz; + else + rate = OSC_HZ; + break; + default: + return -ENOENT; + } + + return rate; +} + +static ulong rk3588_top_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk, src_clk_div; + + switch (clk_id) { + case ACLK_TOP_ROOT: + src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); + assert(src_clk_div - 1 <= 31); + rk_clrsetreg(&cru->clksel_con[8], + ACLK_TOP_ROOT_DIV_MASK | + ACLK_TOP_ROOT_SRC_SEL_MASK, + (ACLK_TOP_ROOT_SRC_SEL_GPLL << + ACLK_TOP_ROOT_SRC_SEL_SHIFT) | + (src_clk_div - 1) << ACLK_TOP_ROOT_DIV_SHIFT); + break; + case ACLK_LOW_TOP_ROOT: + src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); + assert(src_clk_div - 1 <= 31); + rk_clrsetreg(&cru->clksel_con[8], + ACLK_LOW_TOP_ROOT_DIV_MASK | + ACLK_LOW_TOP_ROOT_SRC_SEL_MASK, + (ACLK_LOW_TOP_ROOT_SRC_SEL_GPLL << + ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT) | + (src_clk_div - 1) << ACLK_LOW_TOP_ROOT_DIV_SHIFT); + break; + case PCLK_TOP_ROOT: + if (rate == 100 * MHz) + src_clk = PCLK_TOP_ROOT_SEL_100M; + else if (rate == 50 * MHz) + src_clk = PCLK_TOP_ROOT_SEL_50M; + else + src_clk = PCLK_TOP_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[8], + PCLK_TOP_ROOT_SEL_MASK, + src_clk << PCLK_TOP_ROOT_SEL_SHIFT); + break; + default: + printf("do not support this top freq\n"); + return -EINVAL; + } + + return rk3588_top_get_clk(priv, clk_id); +} + +static ulong rk3588_i2c_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 sel, con; + ulong rate; + + switch (clk_id) { + case CLK_I2C0: + con = readl(&cru->pmuclksel_con[3]); + sel = (con & CLK_I2C0_SEL_MASK) >> CLK_I2C0_SEL_SHIFT; + break; + case CLK_I2C1: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C1_SEL_MASK) >> CLK_I2C1_SEL_SHIFT; + break; + case CLK_I2C2: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C2_SEL_MASK) >> CLK_I2C2_SEL_SHIFT; + break; + case CLK_I2C3: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C3_SEL_MASK) >> CLK_I2C3_SEL_SHIFT; + break; + case CLK_I2C4: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C4_SEL_MASK) >> CLK_I2C4_SEL_SHIFT; + break; + case CLK_I2C5: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C5_SEL_MASK) >> CLK_I2C5_SEL_SHIFT; + break; + case CLK_I2C6: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C6_SEL_MASK) >> CLK_I2C6_SEL_SHIFT; + break; + case CLK_I2C7: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C7_SEL_MASK) >> CLK_I2C7_SEL_SHIFT; + break; + case CLK_I2C8: + con = readl(&cru->clksel_con[38]); + sel = (con & CLK_I2C8_SEL_MASK) >> CLK_I2C8_SEL_SHIFT; + break; + default: + return -ENOENT; + } + if (sel == CLK_I2C_SEL_200M) + rate = 200 * MHz; + else + rate = 100 * MHz; + + return rate; +} + +static ulong rk3588_i2c_set_clk(struct rk3588_clk_priv *priv, ulong clk_id, + ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk; + + if (rate >= 198 * MHz) + src_clk = CLK_I2C_SEL_200M; + else + src_clk = CLK_I2C_SEL_100M; + + switch (clk_id) { + case CLK_I2C0: + rk_clrsetreg(&cru->pmuclksel_con[3], CLK_I2C0_SEL_MASK, + src_clk << CLK_I2C0_SEL_SHIFT); + break; + case CLK_I2C1: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C1_SEL_MASK, + src_clk << CLK_I2C1_SEL_SHIFT); + break; + case CLK_I2C2: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C2_SEL_MASK, + src_clk << CLK_I2C2_SEL_SHIFT); + break; + case CLK_I2C3: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C3_SEL_MASK, + src_clk << CLK_I2C3_SEL_SHIFT); + break; + case CLK_I2C4: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C4_SEL_MASK, + src_clk << CLK_I2C4_SEL_SHIFT); + break; + case CLK_I2C5: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C5_SEL_MASK, + src_clk << CLK_I2C5_SEL_SHIFT); + break; + case CLK_I2C6: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C6_SEL_MASK, + src_clk << CLK_I2C6_SEL_SHIFT); + break; + case CLK_I2C7: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C7_SEL_MASK, + src_clk << CLK_I2C7_SEL_SHIFT); + break; + case CLK_I2C8: + rk_clrsetreg(&cru->clksel_con[38], CLK_I2C8_SEL_MASK, + src_clk << CLK_I2C8_SEL_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_i2c_get_clk(priv, clk_id); +} + +static ulong rk3588_spi_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 sel, con; + + con = readl(&cru->clksel_con[59]); + + switch (clk_id) { + case CLK_SPI0: + sel = (con & CLK_SPI0_SEL_MASK) >> CLK_SPI0_SEL_SHIFT; + break; + case CLK_SPI1: + sel = (con & CLK_SPI1_SEL_MASK) >> CLK_SPI1_SEL_SHIFT; + break; + case CLK_SPI2: + sel = (con & CLK_SPI2_SEL_MASK) >> CLK_SPI2_SEL_SHIFT; + break; + case CLK_SPI3: + sel = (con & CLK_SPI3_SEL_MASK) >> CLK_SPI3_SEL_SHIFT; + break; + case CLK_SPI4: + sel = (con & CLK_SPI4_SEL_MASK) >> CLK_SPI4_SEL_SHIFT; + break; + default: + return -ENOENT; + } + + switch (sel) { + case CLK_SPI_SEL_200M: + return 200 * MHz; + case CLK_SPI_SEL_150M: + return 150 * MHz; + case CLK_SPI_SEL_24M: + return OSC_HZ; + default: + return -ENOENT; + } +} + +static ulong rk3588_spi_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk; + + if (rate >= 198 * MHz) + src_clk = CLK_SPI_SEL_200M; + else if (rate >= 140 * MHz) + src_clk = CLK_SPI_SEL_150M; + else + src_clk = CLK_SPI_SEL_24M; + + switch (clk_id) { + case CLK_SPI0: + rk_clrsetreg(&cru->clksel_con[59], + CLK_SPI0_SEL_MASK, + src_clk << CLK_SPI0_SEL_SHIFT); + break; + case CLK_SPI1: + rk_clrsetreg(&cru->clksel_con[59], + CLK_SPI1_SEL_MASK, + src_clk << CLK_SPI1_SEL_SHIFT); + break; + case CLK_SPI2: + rk_clrsetreg(&cru->clksel_con[59], + CLK_SPI2_SEL_MASK, + src_clk << CLK_SPI2_SEL_SHIFT); + break; + case CLK_SPI3: + rk_clrsetreg(&cru->clksel_con[59], + CLK_SPI3_SEL_MASK, + src_clk << CLK_SPI3_SEL_SHIFT); + break; + case CLK_SPI4: + rk_clrsetreg(&cru->clksel_con[59], + CLK_SPI4_SEL_MASK, + src_clk << CLK_SPI4_SEL_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_spi_get_clk(priv, clk_id); +} + +static ulong rk3588_pwm_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 sel, con; + + switch (clk_id) { + case CLK_PWM1: + con = readl(&cru->clksel_con[59]); + sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM3_SEL_SHIFT; + break; + case CLK_PWM2: + con = readl(&cru->clksel_con[59]); + sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT; + break; + case CLK_PWM3: + con = readl(&cru->clksel_con[60]); + sel = (con & CLK_PWM3_SEL_MASK) >> CLK_PWM3_SEL_SHIFT; + break; + default: + return -ENOENT; + } + + switch (sel) { + case CLK_PWM_SEL_100M: + return 100 * MHz; + case CLK_PWM_SEL_50M: + return 50 * MHz; + case CLK_PWM_SEL_24M: + return OSC_HZ; + default: + return -ENOENT; + } +} + +static ulong rk3588_pwm_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk; + + if (rate >= 99 * MHz) + src_clk = CLK_PWM_SEL_100M; + else if (rate >= 50 * MHz) + src_clk = CLK_PWM_SEL_50M; + else + src_clk = CLK_PWM_SEL_24M; + + switch (clk_id) { + case CLK_PWM1: + rk_clrsetreg(&cru->clksel_con[59], + CLK_PWM1_SEL_MASK, + src_clk << CLK_PWM1_SEL_SHIFT); + break; + case CLK_PWM2: + rk_clrsetreg(&cru->clksel_con[59], + CLK_PWM2_SEL_MASK, + src_clk << CLK_PWM2_SEL_SHIFT); + break; + case CLK_PWM3: + rk_clrsetreg(&cru->clksel_con[60], + CLK_PWM3_SEL_MASK, + src_clk << CLK_PWM3_SEL_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_pwm_get_clk(priv, clk_id); +} + +static ulong rk3588_adc_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 div, sel, con, prate; + + switch (clk_id) { + case CLK_SARADC: + con = readl(&cru->clksel_con[40]); + div = (con & CLK_SARADC_DIV_MASK) >> CLK_SARADC_DIV_SHIFT; + sel = (con & CLK_SARADC_SEL_MASK) >> + CLK_SARADC_SEL_SHIFT; + if (sel == CLK_SARADC_SEL_24M) + prate = OSC_HZ; + else + prate = priv->gpll_hz; + return DIV_TO_RATE(prate, div); + case CLK_TSADC: + con = readl(&cru->clksel_con[41]); + div = (con & CLK_TSADC_DIV_MASK) >> + CLK_TSADC_DIV_SHIFT; + sel = (con & CLK_TSADC_SEL_MASK) >> + CLK_TSADC_SEL_SHIFT; + if (sel == CLK_TSADC_SEL_24M) + prate = OSC_HZ; + else + prate = 100 * MHz; + return DIV_TO_RATE(prate, div); + default: + return -ENOENT; + } +} + +static ulong rk3588_adc_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk_div; + + switch (clk_id) { + case CLK_SARADC: + if (!(OSC_HZ % rate)) { + src_clk_div = DIV_ROUND_UP(OSC_HZ, rate); + assert(src_clk_div - 1 <= 255); + rk_clrsetreg(&cru->clksel_con[40], + CLK_SARADC_SEL_MASK | + CLK_SARADC_DIV_MASK, + (CLK_SARADC_SEL_24M << + CLK_SARADC_SEL_SHIFT) | + (src_clk_div - 1) << + CLK_SARADC_DIV_SHIFT); + } else { + src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); + assert(src_clk_div - 1 <= 255); + rk_clrsetreg(&cru->clksel_con[40], + CLK_SARADC_SEL_MASK | + CLK_SARADC_DIV_MASK, + (CLK_SARADC_SEL_GPLL << + CLK_SARADC_SEL_SHIFT) | + (src_clk_div - 1) << + CLK_SARADC_DIV_SHIFT); + } + break; + case CLK_TSADC: + if (!(OSC_HZ % rate)) { + src_clk_div = DIV_ROUND_UP(OSC_HZ, rate); + assert(src_clk_div - 1 <= 255); + rk_clrsetreg(&cru->clksel_con[41], + CLK_TSADC_SEL_MASK | + CLK_TSADC_DIV_MASK, + (CLK_TSADC_SEL_24M << + CLK_TSADC_SEL_SHIFT) | + (src_clk_div - 1) << + CLK_TSADC_DIV_SHIFT); + } else { + src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); + assert(src_clk_div - 1 <= 7); + rk_clrsetreg(&cru->clksel_con[41], + CLK_TSADC_SEL_MASK | + CLK_TSADC_DIV_MASK, + (CLK_TSADC_SEL_GPLL << + CLK_TSADC_SEL_SHIFT) | + (src_clk_div - 1) << + CLK_TSADC_DIV_SHIFT); + } + break; + default: + return -ENOENT; + } + return rk3588_adc_get_clk(priv, clk_id); +} + +static ulong rk3588_mmc_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 sel, con, div, prate; + + switch (clk_id) { + case CCLK_SRC_SDIO: + con = readl(&cru->clksel_con[172]); + div = (con & CCLK_SDIO_SRC_DIV_MASK) >> CCLK_SDIO_SRC_DIV_SHIFT; + sel = (con & CCLK_SDIO_SRC_SEL_MASK) >> + CCLK_SDIO_SRC_SEL_SHIFT; + if (sel == CCLK_SDIO_SRC_SEL_GPLL) + prate = priv->gpll_hz; + else if (sel == CCLK_SDIO_SRC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = OSC_HZ; + return DIV_TO_RATE(prate, div); + case CCLK_EMMC: + con = readl(&cru->clksel_con[77]); + div = (con & CCLK_EMMC_DIV_MASK) >> CCLK_EMMC_DIV_SHIFT; + sel = (con & CCLK_EMMC_SEL_MASK) >> + CCLK_EMMC_SEL_SHIFT; + if (sel == CCLK_EMMC_SEL_GPLL) + prate = priv->gpll_hz; + else if (sel == CCLK_EMMC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = OSC_HZ; + return DIV_TO_RATE(prate, div); + case BCLK_EMMC: + con = readl(&cru->clksel_con[78]); + div = (con & BCLK_EMMC_DIV_MASK) >> BCLK_EMMC_DIV_SHIFT; + sel = (con & BCLK_EMMC_SEL_MASK) >> + BCLK_EMMC_SEL_SHIFT; + if (sel == CCLK_EMMC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = priv->gpll_hz; + return DIV_TO_RATE(prate, div); + case SCLK_SFC: + con = readl(&cru->clksel_con[78]); + div = (con & SCLK_SFC_DIV_MASK) >> SCLK_SFC_DIV_SHIFT; + sel = (con & SCLK_SFC_SEL_MASK) >> + SCLK_SFC_SEL_SHIFT; + if (sel == SCLK_SFC_SEL_GPLL) + prate = priv->gpll_hz; + else if (sel == SCLK_SFC_SEL_CPLL) + prate = priv->cpll_hz; + else + prate = OSC_HZ; + return DIV_TO_RATE(prate, div); + default: + return -ENOENT; + } +} + +static ulong rk3588_mmc_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk, div; + + switch (clk_id) { + case CCLK_SRC_SDIO: + case CCLK_EMMC: + case SCLK_SFC: + if (!(OSC_HZ % rate)) { + src_clk = SCLK_SFC_SEL_24M; + div = DIV_ROUND_UP(OSC_HZ, rate); + } else if (!(priv->cpll_hz % rate)) { + src_clk = SCLK_SFC_SEL_CPLL; + div = DIV_ROUND_UP(priv->cpll_hz, rate); + } else { + src_clk = SCLK_SFC_SEL_GPLL; + div = DIV_ROUND_UP(priv->gpll_hz, rate); + } + break; + case BCLK_EMMC: + if (!(priv->cpll_hz % rate)) { + src_clk = CCLK_EMMC_SEL_CPLL; + div = DIV_ROUND_UP(priv->cpll_hz, rate); + } else { + src_clk = CCLK_EMMC_SEL_GPLL; + div = DIV_ROUND_UP(priv->gpll_hz, rate); + } + break; + default: + return -ENOENT; + } + + switch (clk_id) { + case CCLK_SRC_SDIO: + rk_clrsetreg(&cru->clksel_con[172], + CCLK_SDIO_SRC_SEL_MASK | + CCLK_SDIO_SRC_DIV_MASK, + (src_clk << CCLK_SDIO_SRC_SEL_SHIFT) | + (div - 1) << CCLK_SDIO_SRC_DIV_SHIFT); + break; + case CCLK_EMMC: + rk_clrsetreg(&cru->clksel_con[77], + CCLK_EMMC_SEL_MASK | + CCLK_EMMC_DIV_MASK, + (src_clk << CCLK_EMMC_SEL_SHIFT) | + (div - 1) << CCLK_EMMC_DIV_SHIFT); + break; + case BCLK_EMMC: + rk_clrsetreg(&cru->clksel_con[78], + BCLK_EMMC_DIV_MASK | + BCLK_EMMC_SEL_MASK, + (src_clk << BCLK_EMMC_SEL_SHIFT) | + (div - 1) << BCLK_EMMC_DIV_SHIFT); + break; + case SCLK_SFC: + rk_clrsetreg(&cru->clksel_con[78], + SCLK_SFC_DIV_MASK | + SCLK_SFC_SEL_MASK, + (src_clk << SCLK_SFC_SEL_SHIFT) | + (div - 1) << SCLK_SFC_DIV_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_mmc_get_clk(priv, clk_id); +} + +#ifndef CONFIG_SPL_BUILD +static ulong rk3588_aclk_vop_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 div, sel, con, parent; + + switch (clk_id) { + case ACLK_VOP_ROOT: + con = readl(&cru->clksel_con[110]); + div = (con & ACLK_VOP_ROOT_DIV_MASK) >> ACLK_VOP_ROOT_DIV_SHIFT; + sel = (con & ACLK_VOP_ROOT_SEL_MASK) >> ACLK_VOP_ROOT_SEL_SHIFT; + if (sel == ACLK_VOP_ROOT_SEL_GPLL) + parent = priv->gpll_hz; + else if (sel == ACLK_VOP_ROOT_SEL_CPLL) + parent = priv->cpll_hz; + else if (sel == ACLK_VOP_ROOT_SEL_AUPLL) + parent = priv->aupll_hz; + else if (sel == ACLK_VOP_ROOT_SEL_NPLL) + parent = priv->npll_hz; + else + parent = 702 * MHz; + return DIV_TO_RATE(parent, div); + case ACLK_VOP_LOW_ROOT: + con = readl(&cru->clksel_con[110]); + sel = (con & ACLK_VOP_LOW_ROOT_SEL_MASK) >> + ACLK_VOP_LOW_ROOT_SEL_SHIFT; + if (sel == ACLK_VOP_LOW_ROOT_SEL_400M) + return 396 * MHz; + else if (sel == ACLK_VOP_LOW_ROOT_SEL_200M) + return 200 * MHz; + else if (sel == ACLK_VOP_LOW_ROOT_SEL_100M) + return 100 * MHz; + else + return OSC_HZ; + case HCLK_VOP_ROOT: + con = readl(&cru->clksel_con[110]); + sel = (con & HCLK_VOP_ROOT_SEL_MASK) >> HCLK_VOP_ROOT_SEL_SHIFT; + if (sel == HCLK_VOP_ROOT_SEL_200M) + return 200 * MHz; + else if (sel == HCLK_VOP_ROOT_SEL_100M) + return 100 * MHz; + else if (sel == HCLK_VOP_ROOT_SEL_50M) + return 50 * MHz; + else + return OSC_HZ; + default: + return -ENOENT; + } +} + +static ulong rk3588_aclk_vop_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int src_clk, div; + + switch (clk_id) { + case ACLK_VOP_ROOT: + if (!(priv->cpll_hz % rate)) { + src_clk = ACLK_VOP_ROOT_SEL_CPLL; + div = DIV_ROUND_UP(priv->cpll_hz, rate); + } else { + src_clk = ACLK_VOP_ROOT_SEL_GPLL; + div = DIV_ROUND_UP(priv->gpll_hz, rate); + } + rk_clrsetreg(&cru->clksel_con[110], + ACLK_VOP_ROOT_DIV_MASK | + ACLK_VOP_ROOT_SEL_MASK, + (src_clk << ACLK_VOP_ROOT_SEL_SHIFT) | + (div - 1) << ACLK_VOP_ROOT_DIV_SHIFT); + break; + case ACLK_VOP_LOW_ROOT: + if (rate == 400 * MHz || rate == 396 * MHz) + src_clk = ACLK_VOP_LOW_ROOT_SEL_400M; + else if (rate == 200 * MHz) + src_clk = ACLK_VOP_LOW_ROOT_SEL_200M; + else if (rate == 100 * MHz) + src_clk = ACLK_VOP_LOW_ROOT_SEL_100M; + else + src_clk = ACLK_VOP_LOW_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[110], + ACLK_VOP_LOW_ROOT_SEL_MASK, + src_clk << ACLK_VOP_LOW_ROOT_SEL_SHIFT); + break; + case HCLK_VOP_ROOT: + if (rate == 200 * MHz) + src_clk = HCLK_VOP_ROOT_SEL_200M; + else if (rate == 100 * MHz) + src_clk = HCLK_VOP_ROOT_SEL_100M; + else if (rate == 50 * MHz) + src_clk = HCLK_VOP_ROOT_SEL_50M; + else + src_clk = HCLK_VOP_ROOT_SEL_24M; + rk_clrsetreg(&cru->clksel_con[110], + HCLK_VOP_ROOT_SEL_MASK, + src_clk << HCLK_VOP_ROOT_SEL_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_aclk_vop_get_clk(priv, clk_id); +} + +static ulong rk3588_dclk_vop_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 div, sel, con, parent; + + switch (clk_id) { + case DCLK_VOP0: + case DCLK_VOP0_SRC: + con = readl(&cru->clksel_con[111]); + div = (con & DCLK0_VOP_SRC_DIV_MASK) >> DCLK0_VOP_SRC_DIV_SHIFT; + sel = (con & DCLK0_VOP_SRC_SEL_MASK) >> DCLK0_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP1: + case DCLK_VOP1_SRC: + con = readl(&cru->clksel_con[111]); + div = (con & DCLK1_VOP_SRC_DIV_MASK) >> DCLK1_VOP_SRC_DIV_SHIFT; + sel = (con & DCLK1_VOP_SRC_SEL_MASK) >> DCLK1_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP2: + case DCLK_VOP2_SRC: + con = readl(&cru->clksel_con[112]); + div = (con & DCLK2_VOP_SRC_DIV_MASK) >> DCLK2_VOP_SRC_DIV_SHIFT; + sel = (con & DCLK2_VOP_SRC_SEL_MASK) >> DCLK2_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP3: + con = readl(&cru->clksel_con[113]); + div = (con & DCLK3_VOP_SRC_DIV_MASK) >> DCLK3_VOP_SRC_DIV_SHIFT; + sel = (con & DCLK3_VOP_SRC_SEL_MASK) >> DCLK3_VOP_SRC_SEL_SHIFT; + break; + default: + return -ENOENT; + } + + if (sel == DCLK_VOP_SRC_SEL_AUPLL) + parent = priv->aupll_hz; + else if (sel == DCLK_VOP_SRC_SEL_V0PLL) + parent = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], + priv->cru, V0PLL); + else if (sel == DCLK_VOP_SRC_SEL_GPLL) + parent = priv->gpll_hz; + else if (sel == DCLK_VOP_SRC_SEL_CPLL) + parent = priv->cpll_hz; + else + return -ENOENT; + + return DIV_TO_RATE(parent, div); +} + +#define RK3588_VOP_PLL_LIMIT_FREQ 600000000 + +static ulong rk3588_dclk_vop_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + ulong pll_rate, now, best_rate = 0; + u32 i, conid, con, sel, div, best_div = 0, best_sel = 0; + u32 mask, div_shift, sel_shift; + + switch (clk_id) { + case DCLK_VOP0: + case DCLK_VOP0_SRC: + conid = 111; + con = readl(&cru->clksel_con[111]); + sel = (con & DCLK0_VOP_SRC_SEL_MASK) >> DCLK0_VOP_SRC_SEL_SHIFT; + mask = DCLK0_VOP_SRC_SEL_MASK | DCLK0_VOP_SRC_DIV_MASK; + div_shift = DCLK0_VOP_SRC_DIV_SHIFT; + sel_shift = DCLK0_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP1: + case DCLK_VOP1_SRC: + conid = 111; + con = readl(&cru->clksel_con[111]); + sel = (con & DCLK1_VOP_SRC_SEL_MASK) >> DCLK1_VOP_SRC_SEL_SHIFT; + mask = DCLK1_VOP_SRC_SEL_MASK | DCLK1_VOP_SRC_DIV_MASK; + div_shift = DCLK1_VOP_SRC_DIV_SHIFT; + sel_shift = DCLK1_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP2: + case DCLK_VOP2_SRC: + conid = 112; + con = readl(&cru->clksel_con[112]); + sel = (con & DCLK2_VOP_SRC_SEL_MASK) >> DCLK2_VOP_SRC_SEL_SHIFT; + mask = DCLK2_VOP_SRC_SEL_MASK | DCLK2_VOP_SRC_DIV_MASK; + div_shift = DCLK2_VOP_SRC_DIV_SHIFT; + sel_shift = DCLK1_VOP_SRC_SEL_SHIFT; + break; + case DCLK_VOP3: + conid = 113; + con = readl(&cru->clksel_con[113]); + sel = (con & DCLK3_VOP_SRC_SEL_MASK) >> DCLK3_VOP_SRC_SEL_SHIFT; + mask = DCLK2_VOP_SRC_SEL_MASK | DCLK2_VOP_SRC_DIV_MASK; + div_shift = DCLK2_VOP_SRC_DIV_SHIFT; + sel_shift = DCLK1_VOP_SRC_SEL_SHIFT; + break; + default: + return -ENOENT; + } + + if (sel == DCLK_VOP_SRC_SEL_V0PLL) { + div = DIV_ROUND_UP(RK3588_VOP_PLL_LIMIT_FREQ, rate); + rk_clrsetreg(&cru->clksel_con[conid], + mask, + ((div - 1) << div_shift)); + rockchip_pll_set_rate(&rk3588_pll_clks[V0PLL], + priv->cru, V0PLL, div * rate); + } else { + for (i = 0; i <= DCLK_VOP_SRC_SEL_AUPLL; i++) { + switch (i) { + case DCLK_VOP_SRC_SEL_GPLL: + pll_rate = priv->gpll_hz; + break; + case DCLK_VOP_SRC_SEL_CPLL: + pll_rate = priv->cpll_hz; + break; + case DCLK_VOP_SRC_SEL_AUPLL: + pll_rate = priv->aupll_hz; + break; + default: + printf("do not support this vop pll sel\n"); + return -EINVAL; + } + + div = DIV_ROUND_UP(pll_rate, rate); + if (div > 255) + continue; + now = pll_rate / div; + if (abs(rate - now) < abs(rate - best_rate)) { + best_rate = now; + best_div = div; + best_sel = i; + } + debug("p_rate=%lu, best_rate=%lu, div=%u, sel=%u\n", + pll_rate, best_rate, best_div, best_sel); + } + + if (best_rate) { + rk_clrsetreg(&cru->clksel_con[conid], + mask, + best_sel << sel_shift | + (best_div - 1) << div_shift); + } else { + printf("do not support this vop freq %lu\n", rate); + return -EINVAL; + } + } + return rk3588_dclk_vop_get_clk(priv, clk_id); +} + +static ulong rk3588_gmac_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 con, div; + + switch (clk_id) { + case CLK_GMAC0_PTP_REF: + con = readl(&cru->clksel_con[81]); + div = (con & CLK_GMAC0_PTP_DIV_MASK) >> CLK_GMAC0_PTP_DIV_SHIFT; + return DIV_TO_RATE(priv->cpll_hz, div); + case CLK_GMAC1_PTP_REF: + con = readl(&cru->clksel_con[81]); + div = (con & CLK_GMAC1_PTP_DIV_MASK) >> CLK_GMAC1_PTP_DIV_SHIFT; + return DIV_TO_RATE(priv->cpll_hz, div); + case CLK_GMAC_125M: + con = readl(&cru->clksel_con[83]); + div = (con & CLK_GMAC_125M_DIV_MASK) >> CLK_GMAC_125M_DIV_SHIFT; + return DIV_TO_RATE(priv->cpll_hz, div); + case CLK_GMAC_50M: + con = readl(&cru->clksel_con[84]); + div = (con & CLK_GMAC_50M_DIV_MASK) >> CLK_GMAC_50M_DIV_SHIFT; + return DIV_TO_RATE(priv->cpll_hz, div); + default: + return -ENOENT; + } +} + +static ulong rk3588_gmac_set_clk(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + int div; + + div = DIV_ROUND_UP(priv->cpll_hz, rate); + + switch (clk_id) { + case CLK_GMAC0_PTP_REF: + rk_clrsetreg(&cru->clksel_con[81], + CLK_GMAC0_PTP_DIV_MASK | CLK_GMAC0_PTP_SEL_MASK, + CLK_GMAC0_PTP_SEL_CPLL << CLK_GMAC0_PTP_SEL_SHIFT | + (div - 1) << CLK_GMAC0_PTP_DIV_SHIFT); + break; + case CLK_GMAC1_PTP_REF: + rk_clrsetreg(&cru->clksel_con[81], + CLK_GMAC1_PTP_DIV_MASK | CLK_GMAC1_PTP_SEL_MASK, + CLK_GMAC1_PTP_SEL_CPLL << CLK_GMAC1_PTP_SEL_SHIFT | + (div - 1) << CLK_GMAC1_PTP_DIV_SHIFT); + break; + case CLK_GMAC_125M: + rk_clrsetreg(&cru->clksel_con[83], + CLK_GMAC_125M_DIV_MASK | CLK_GMAC_125M_SEL_MASK, + CLK_GMAC_125M_SEL_CPLL << CLK_GMAC_125M_SEL_SHIFT | + (div - 1) << CLK_GMAC_125M_DIV_SHIFT); + break; + case CLK_GMAC_50M: + rk_clrsetreg(&cru->clksel_con[84], + CLK_GMAC_50M_DIV_MASK | CLK_GMAC_50M_SEL_MASK, + CLK_GMAC_50M_SEL_CPLL << CLK_GMAC_50M_SEL_SHIFT | + (div - 1) << CLK_GMAC_50M_DIV_SHIFT); + break; + default: + return -ENOENT; + } + + return rk3588_gmac_get_clk(priv, clk_id); +} + +static ulong rk3588_uart_get_rate(struct rk3588_clk_priv *priv, ulong clk_id) +{ + struct rk3588_cru *cru = priv->cru; + u32 reg, con, fracdiv, div, src, p_src, p_rate; + unsigned long m, n; + + switch (clk_id) { + case SCLK_UART1: + reg = 41; + break; + case SCLK_UART2: + reg = 43; + break; + case SCLK_UART3: + reg = 45; + break; + case SCLK_UART4: + reg = 47; + break; + case SCLK_UART5: + reg = 49; + break; + case SCLK_UART6: + reg = 51; + break; + case SCLK_UART7: + reg = 53; + break; + case SCLK_UART8: + reg = 55; + break; + case SCLK_UART9: + reg = 57; + break; + default: + return -ENOENT; + } + con = readl(&cru->clksel_con[reg + 2]); + src = (con & CLK_UART_SEL_MASK) >> CLK_UART_SEL_SHIFT; + con = readl(&cru->clksel_con[reg]); + div = (con & CLK_UART_SRC_DIV_MASK) >> CLK_UART_SRC_DIV_SHIFT; + p_src = (con & CLK_UART_SRC_SEL_MASK) >> CLK_UART_SRC_SEL_SHIFT; + if (p_src == CLK_UART_SRC_SEL_GPLL) + p_rate = priv->gpll_hz; + else + p_rate = priv->cpll_hz; + + if (src == CLK_UART_SEL_SRC) { + return DIV_TO_RATE(p_rate, div); + } else if (src == CLK_UART_SEL_FRAC) { + fracdiv = readl(&cru->clksel_con[reg + 1]); + n = fracdiv & CLK_UART_FRAC_NUMERATOR_MASK; + n >>= CLK_UART_FRAC_NUMERATOR_SHIFT; + m = fracdiv & CLK_UART_FRAC_DENOMINATOR_MASK; + m >>= CLK_UART_FRAC_DENOMINATOR_SHIFT; + return DIV_TO_RATE(p_rate, div) * n / m; + } else { + return OSC_HZ; + } +} + +static ulong rk3588_uart_set_rate(struct rk3588_clk_priv *priv, + ulong clk_id, ulong rate) +{ + struct rk3588_cru *cru = priv->cru; + u32 reg, clk_src, uart_src, div; + unsigned long m = 0, n = 0, val; + + if (priv->gpll_hz % rate == 0) { + clk_src = CLK_UART_SRC_SEL_GPLL; + uart_src = CLK_UART_SEL_SRC; + div = DIV_ROUND_UP(priv->gpll_hz, rate); + } else if (priv->cpll_hz % rate == 0) { + clk_src = CLK_UART_SRC_SEL_CPLL; + uart_src = CLK_UART_SEL_SRC; + div = DIV_ROUND_UP(priv->gpll_hz, rate); + } else if (rate == OSC_HZ) { + clk_src = CLK_UART_SRC_SEL_GPLL; + uart_src = CLK_UART_SEL_XIN24M; + div = 2; + } else { + clk_src = CLK_UART_SRC_SEL_GPLL; + uart_src = CLK_UART_SEL_FRAC; + div = 2; + rational_best_approximation(rate, priv->gpll_hz / div, + GENMASK(16 - 1, 0), + GENMASK(16 - 1, 0), + &m, &n); + } + + switch (clk_id) { + case SCLK_UART1: + reg = 41; + break; + case SCLK_UART2: + reg = 43; + break; + case SCLK_UART3: + reg = 45; + break; + case SCLK_UART4: + reg = 47; + break; + case SCLK_UART5: + reg = 49; + break; + case SCLK_UART6: + reg = 51; + break; + case SCLK_UART7: + reg = 53; + break; + case SCLK_UART8: + reg = 55; + break; + case SCLK_UART9: + reg = 57; + break; + default: + return -ENOENT; + } + rk_clrsetreg(&cru->clksel_con[reg], + CLK_UART_SRC_SEL_MASK | + CLK_UART_SRC_DIV_MASK, + (clk_src << CLK_UART_SRC_SEL_SHIFT) | + ((div - 1) << CLK_UART_SRC_DIV_SHIFT)); + rk_clrsetreg(&cru->clksel_con[reg + 2], + CLK_UART_SEL_MASK, + (uart_src << CLK_UART_SEL_SHIFT)); + if (m && n) { + val = m << CLK_UART_FRAC_NUMERATOR_SHIFT | n; + writel(val, &cru->clksel_con[reg + 1]); + } + + return rk3588_uart_get_rate(priv, clk_id); +} +#endif + +static ulong rk3588_clk_get_rate(struct clk *clk) +{ + struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); + ulong rate = 0; + + if (!priv->gpll_hz) { + printf("%s gpll=%lu\n", __func__, priv->gpll_hz); + return -ENOENT; + } + + switch (clk->id) { + case PLL_LPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[LPLL], priv->cru, + LPLL); + break; + case PLL_B0PLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[B0PLL], priv->cru, + B0PLL); + break; + case PLL_B1PLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[B1PLL], priv->cru, + B1PLL); + break; + case PLL_GPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[GPLL], priv->cru, + GPLL); + break; + case PLL_CPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[CPLL], priv->cru, + CPLL); + break; + case PLL_NPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[NPLL], priv->cru, + NPLL); + break; + case PLL_V0PLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], priv->cru, + V0PLL); + break; + case PLL_AUPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[AUPLL], priv->cru, + AUPLL); + break; + case PLL_PPLL: + rate = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], priv->cru, + PPLL); + break; + case ACLK_CENTER_ROOT: + case PCLK_CENTER_ROOT: + case HCLK_CENTER_ROOT: + case ACLK_CENTER_LOW_ROOT: + rate = rk3588_center_get_clk(priv, clk->id); + break; + case ACLK_TOP_ROOT: + case PCLK_TOP_ROOT: + case ACLK_LOW_TOP_ROOT: + rate = rk3588_top_get_clk(priv, clk->id); + break; + case CLK_I2C0: + case CLK_I2C1: + case CLK_I2C2: + case CLK_I2C3: + case CLK_I2C4: + case CLK_I2C5: + case CLK_I2C6: + case CLK_I2C7: + case CLK_I2C8: + rate = rk3588_i2c_get_clk(priv, clk->id); + break; + case CLK_SPI0: + case CLK_SPI1: + case CLK_SPI2: + case CLK_SPI3: + case CLK_SPI4: + rate = rk3588_spi_get_clk(priv, clk->id); + break; + case CLK_PWM1: + case CLK_PWM2: + case CLK_PWM3: + rate = rk3588_pwm_get_clk(priv, clk->id); + break; + case CLK_SARADC: + case CLK_TSADC: + rate = rk3588_adc_get_clk(priv, clk->id); + break; + case CCLK_SRC_SDIO: + case CCLK_EMMC: + case BCLK_EMMC: + case SCLK_SFC: + rate = rk3588_mmc_get_clk(priv, clk->id); + break; +#ifndef CONFIG_SPL_BUILD + case ACLK_VOP_ROOT: + case ACLK_VOP_LOW_ROOT: + case HCLK_VOP_ROOT: + rate = rk3588_aclk_vop_get_clk(priv, clk->id); + break; + case DCLK_VOP0: + case DCLK_VOP0_SRC: + case DCLK_VOP1: + case DCLK_VOP1_SRC: + case DCLK_VOP2: + case DCLK_VOP2_SRC: + case DCLK_VOP3: + rate = rk3588_dclk_vop_get_clk(priv, clk->id); + break; + case CLK_GMAC0_PTP_REF: + case CLK_GMAC1_PTP_REF: + case CLK_GMAC_125M: + case CLK_GMAC_50M: + rate = rk3588_gmac_get_clk(priv, clk->id); + break; + case SCLK_UART1: + case SCLK_UART2: + case SCLK_UART3: + case SCLK_UART4: + case SCLK_UART5: + case SCLK_UART6: + case SCLK_UART7: + case SCLK_UART8: + case SCLK_UART9: + rate = rk3588_uart_get_rate(priv, clk->id); + break; +#endif + default: + return -ENOENT; + } + + return rate; +}; + +static ulong rk3588_clk_set_rate(struct clk *clk, ulong rate) +{ + struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); + ulong ret = 0; + + if (!priv->gpll_hz) { + printf("%s gpll=%lu\n", __func__, priv->gpll_hz); + return -ENOENT; + } + + switch (clk->id) { + case PLL_CPLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[CPLL], priv->cru, + CPLL, rate); + priv->cpll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[CPLL], + priv->cru, CPLL); + break; + case PLL_GPLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[GPLL], priv->cru, + GPLL, rate); + priv->gpll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[GPLL], + priv->cru, GPLL); + break; + case PLL_NPLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[NPLL], priv->cru, + NPLL, rate); + break; + case PLL_V0PLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[V0PLL], priv->cru, + V0PLL, rate); + priv->v0pll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], + priv->cru, V0PLL); + break; + case PLL_AUPLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[AUPLL], priv->cru, + AUPLL, rate); + priv->aupll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[AUPLL], + priv->cru, AUPLL); + break; + case PLL_PPLL: + ret = rockchip_pll_set_rate(&rk3588_pll_clks[PPLL], priv->cru, + PPLL, rate); + priv->ppll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], + priv->cru, PPLL); + break; + case ACLK_CENTER_ROOT: + case PCLK_CENTER_ROOT: + case HCLK_CENTER_ROOT: + case ACLK_CENTER_LOW_ROOT: + ret = rk3588_center_set_clk(priv, clk->id, rate); + break; + case ACLK_TOP_ROOT: + case PCLK_TOP_ROOT: + case ACLK_LOW_TOP_ROOT: + ret = rk3588_top_set_clk(priv, clk->id, rate); + break; + case CLK_I2C0: + case CLK_I2C1: + case CLK_I2C2: + case CLK_I2C3: + case CLK_I2C4: + case CLK_I2C5: + case CLK_I2C6: + case CLK_I2C7: + case CLK_I2C8: + ret = rk3588_i2c_set_clk(priv, clk->id, rate); + break; + case CLK_SPI0: + case CLK_SPI1: + case CLK_SPI2: + case CLK_SPI3: + case CLK_SPI4: + ret = rk3588_spi_set_clk(priv, clk->id, rate); + break; + case CLK_PWM1: + case CLK_PWM2: + case CLK_PWM3: + ret = rk3588_pwm_set_clk(priv, clk->id, rate); + break; + case CLK_SARADC: + case CLK_TSADC: + ret = rk3588_adc_set_clk(priv, clk->id, rate); + break; + case CCLK_SRC_SDIO: + case CCLK_EMMC: + case BCLK_EMMC: + case SCLK_SFC: + ret = rk3588_mmc_set_clk(priv, clk->id, rate); + break; +#ifndef CONFIG_SPL_BUILD + case ACLK_VOP_ROOT: + case ACLK_VOP_LOW_ROOT: + case HCLK_VOP_ROOT: + ret = rk3588_aclk_vop_set_clk(priv, clk->id, rate); + break; + case DCLK_VOP0: + case DCLK_VOP0_SRC: + case DCLK_VOP1: + case DCLK_VOP1_SRC: + case DCLK_VOP2: + case DCLK_VOP2_SRC: + case DCLK_VOP3: + ret = rk3588_dclk_vop_set_clk(priv, clk->id, rate); + break; + case CLK_GMAC0_PTP_REF: + case CLK_GMAC1_PTP_REF: + case CLK_GMAC_125M: + case CLK_GMAC_50M: + ret = rk3588_gmac_set_clk(priv, 0, rate); + break; + case SCLK_UART1: + case SCLK_UART2: + case SCLK_UART3: + case SCLK_UART4: + case SCLK_UART5: + case SCLK_UART6: + case SCLK_UART7: + case SCLK_UART8: + case SCLK_UART9: + ret = rk3588_uart_set_rate(priv, clk->id, rate); + break; +#endif + default: + return -ENOENT; + } + + return ret; +}; + +#define ROCKCHIP_MMC_DELAY_SEL BIT(10) +#define ROCKCHIP_MMC_DEGREE_MASK 0x3 +#define ROCKCHIP_MMC_DELAYNUM_OFFSET 2 +#define ROCKCHIP_MMC_DELAYNUM_MASK (0xff << ROCKCHIP_MMC_DELAYNUM_OFFSET) + +#define PSECS_PER_SEC 1000000000000LL +/* + * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to + * simplify calculations. So 45degs could be anywhere between 33deg and 57.8deg. + */ +#define ROCKCHIP_MMC_DELAY_ELEMENT_PSEC 60 + +int rk3588_mmc_get_phase(struct clk *clk) +{ + struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); + struct rk3588_cru *cru = priv->cru; + u32 raw_value, delay_num; + u16 degrees = 0; + ulong rate; + + rate = rk3588_clk_get_rate(clk); + if (rate < 0) + return rate; + + if (clk->id == SCLK_SDMMC_SAMPLE) + raw_value = readl(&cru->sdmmc_con[1]); + else + return 0; + + raw_value >>= 1; + degrees = (raw_value & ROCKCHIP_MMC_DEGREE_MASK) * 90; + + if (raw_value & ROCKCHIP_MMC_DELAY_SEL) { + /* degrees/delaynum * 10000 */ + unsigned long factor = (ROCKCHIP_MMC_DELAY_ELEMENT_PSEC / 10) * + 36 * (rate / 1000000); + + delay_num = (raw_value & ROCKCHIP_MMC_DELAYNUM_MASK); + delay_num >>= ROCKCHIP_MMC_DELAYNUM_OFFSET; + degrees += DIV_ROUND_CLOSEST(delay_num * factor, 10000); + } + + return degrees % 360; +} + +int rk3588_mmc_set_phase(struct clk *clk, u32 degrees) +{ + struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); + struct rk3588_cru *cru = priv->cru; + u8 nineties, remainder, delay_num; + u32 raw_value, delay; + ulong rate; + + rate = rk3588_clk_get_rate(clk); + if (rate < 0) + return rate; + + nineties = degrees / 90; + remainder = (degrees % 90); + + /* + * Convert to delay; do a little extra work to make sure we + * don't overflow 32-bit / 64-bit numbers. + */ + delay = 10000000; /* PSECS_PER_SEC / 10000 / 10 */ + delay *= remainder; + delay = DIV_ROUND_CLOSEST(delay, (rate / 1000) * 36 * + (ROCKCHIP_MMC_DELAY_ELEMENT_PSEC / 10)); + + delay_num = (u8)min_t(u32, delay, 255); + + raw_value = delay_num ? ROCKCHIP_MMC_DELAY_SEL : 0; + raw_value |= delay_num << ROCKCHIP_MMC_DELAYNUM_OFFSET; + raw_value |= nineties; + + raw_value <<= 1; + if (clk->id == SCLK_SDMMC_SAMPLE) + writel(raw_value | 0xffff0000, &cru->sdmmc_con[1]); + + debug("mmc set_phase(%d) delay_nums=%u reg=%#x actual_degrees=%d\n", + degrees, delay_num, raw_value, rk3588_mmc_get_phase(clk)); + + return 0; +} + +static int rk3588_dclk_vop_set_parent(struct clk *clk, + struct clk *parent) +{ + struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); + struct rk3588_cru *cru = priv->cru; + u32 sel; + + if (parent->id == PLL_V0PLL) + sel = 2; + else if (parent->id == PLL_GPLL) + sel = 0; + else if (parent->id == PLL_CPLL) + sel = 1; + else + sel = 3; + + switch (clk->id) { + case DCLK_VOP0_SRC: + rk_clrsetreg(&cru->clksel_con[111], DCLK0_VOP_SRC_SEL_MASK, + sel << DCLK0_VOP_SRC_SEL_SHIFT); + break; + case DCLK_VOP1_SRC: + rk_clrsetreg(&cru->clksel_con[111], DCLK1_VOP_SRC_SEL_MASK, + sel << DCLK1_VOP_SRC_SEL_SHIFT); + break; + case DCLK_VOP2_SRC: + rk_clrsetreg(&cru->clksel_con[112], DCLK2_VOP_SRC_SEL_MASK, + sel << DCLK2_VOP_SRC_SEL_SHIFT); + break; + case DCLK_VOP3: + rk_clrsetreg(&cru->clksel_con[113], DCLK3_VOP_SRC_SEL_MASK, + sel << DCLK3_VOP_SRC_SEL_SHIFT); + break; + default: + return -EINVAL; + } + return 0; +} + +static int rk3588_clk_set_parent(struct clk *clk, struct clk *parent) +{ + switch (clk->id) { + case DCLK_VOP0_SRC: + case DCLK_VOP1_SRC: + case DCLK_VOP2_SRC: + case DCLK_VOP3: + return rk3588_dclk_vop_set_parent(clk, parent); + default: + return -ENOENT; + } + + return 0; +} + +static struct clk_ops rk3588_clk_ops = { + .get_rate = rk3588_clk_get_rate, + .set_rate = rk3588_clk_set_rate, +#if (IS_ENABLED(CONFIG_OF_CONTROL)) || (!IS_ENABLED(CONFIG_OF_PLATDATA)) + .set_parent = rk3588_clk_set_parent, +#endif +}; + +static void rk3588_clk_init(struct rk3588_clk_priv *priv) +{ + int ret, div; + + priv->sync_kernel = false; + if (!priv->armclk_enter_hz) { + ret = rockchip_pll_set_rate(&rk3588_pll_clks[LPLL], priv->cru, + LPLL, LPLL_HZ); + priv->armclk_enter_hz = + rockchip_pll_get_rate(&rk3588_pll_clks[LPLL], + priv->cru, LPLL); + priv->armclk_init_hz = priv->armclk_enter_hz; + ret = rockchip_pll_set_rate(&rk3588_pll_clks[B0PLL], priv->cru, + B0PLL, LPLL_HZ); + ret = rockchip_pll_set_rate(&rk3588_pll_clks[B1PLL], priv->cru, + B1PLL, LPLL_HZ); + } + + div = DIV_ROUND_UP(GPLL_HZ, 300 * MHz); + rk_clrsetreg(&priv->cru->clksel_con[38], + ACLK_BUS_ROOT_SEL_MASK | + ACLK_BUS_ROOT_DIV_MASK, + div << ACLK_BUS_ROOT_DIV_SHIFT); + + if (priv->cpll_hz != CPLL_HZ) { + ret = rockchip_pll_set_rate(&rk3588_pll_clks[CPLL], priv->cru, + CPLL, CPLL_HZ); + if (!ret) + priv->cpll_hz = CPLL_HZ; + } + if (priv->gpll_hz != GPLL_HZ) { + ret = rockchip_pll_set_rate(&rk3588_pll_clks[GPLL], priv->cru, + GPLL, GPLL_HZ); + if (!ret) + priv->gpll_hz = GPLL_HZ; + } + + rk_clrsetreg(&priv->cru->clksel_con[9], + ACLK_TOP_S400_SEL_MASK | + ACLK_TOP_S200_SEL_MASK, + (ACLK_TOP_S400_SEL_400M << ACLK_TOP_S400_SEL_SHIFT) | + (ACLK_TOP_S200_SEL_200M << ACLK_TOP_S200_SEL_SHIFT)); +} + +static int rk3588_clk_probe(struct udevice *dev) +{ + struct rk3588_clk_priv *priv = dev_get_priv(dev); + int ret; + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + if (IS_ERR(priv->grf)) + return PTR_ERR(priv->grf); + + rk3588_clk_init(priv); + + /* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */ + ret = clk_set_defaults(dev, 1); + if (ret) + debug("%s clk_set_defaults failed %d\n", __func__, ret); + else + priv->sync_kernel = true; + + return 0; +} + +static int rk3588_clk_ofdata_to_platdata(struct udevice *dev) +{ + struct rk3588_clk_priv *priv = dev_get_priv(dev); + + priv->cru = dev_read_addr_ptr(dev); + + return 0; +} + +static int rk3588_clk_bind(struct udevice *dev) +{ + int ret; + struct udevice *sys_child; + struct sysreset_reg *priv; + + /* The reset driver does not have a device node, so bind it here */ + ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset", + &sys_child); + if (ret) { + debug("Warning: No sysreset driver: ret=%d\n", ret); + } else { + priv = malloc(sizeof(struct sysreset_reg)); + priv->glb_srst_fst_value = offsetof(struct rk3588_cru, + glb_srst_fst); + priv->glb_srst_snd_value = offsetof(struct rk3588_cru, + glb_srsr_snd); + } + +#if (IS_ENABLED(CONFIG_RESET_ROCKCHIP)) + ret = offsetof(struct rk3588_cru, softrst_con[0]); + ret = rockchip_reset_bind(dev, ret, 30); + if (ret) + debug("Warning: software reset driver bind faile\n"); +#endif + + return 0; +} + +static const struct udevice_id rk3588_clk_ids[] = { + { .compatible = "rockchip,rk3588-cru" }, + { } +}; + +U_BOOT_DRIVER(rockchip_rk3588_cru) = { + .name = "rockchip_rk3588_cru", + .id = UCLASS_CLK, + .of_match = rk3588_clk_ids, + .priv_auto = sizeof(struct rk3588_clk_priv), + .of_to_plat = rk3588_clk_ofdata_to_platdata, + .ops = &rk3588_clk_ops, + .bind = rk3588_clk_bind, + .probe = rk3588_clk_probe, +};