Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: -Split GRF changes as a single patch

Changes in v2: None

arch/arm/include/asm/arch-rockchip/grf_rk3399.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)

diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h index b340b05..63b3b94 100644 --- a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h +++ b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h @@ -440,6 +440,29 @@ enum { GRF_UART_DBG_SEL_MASK = 3 << GRF_UART_DBG_SEL_SHIFT, GRF_UART_DBG_SEL_C = 2,

+ /* GRF_SOC_CON20 */ + GRF_DSI0_VOP_SEL_SHIFT = 0, + GRF_DSI0_VOP_SEL_MASK = 1 << GRF_DSI0_VOP_SEL_SHIFT, + GRF_DSI0_VOP_SEL_B = 0, + GRF_DSI0_VOP_SEL_L, + + /* GRF_SOC_CON22 */ + GRF_DPHY_TX0_RXMODE_SHIFT = 0, + GRF_DPHY_TX0_RXMODE_MASK = 0xf << GRF_DPHY_TX0_RXMODE_SHIFT, + GRF_DPHY_TX0_RXMODE_EN = 0xb, + GRF_DPHY_TX0_RXMODE_DIS = 0, + + GRF_DPHY_TX0_TXSTOPMODE_SHIFT = 4, + GRF_DPHY_TX0_TXSTOPMODE_MASK = 0xf0 << GRF_DPHY_TX0_TXSTOPMODE_SHIFT, + GRF_DPHY_TX0_TXSTOPMODE_EN = 0xc, + GRF_DPHY_TX0_TXSTOPMODE_DIS = 0, + + GRF_DPHY_TX0_TURNREQUEST_SHIFT = 12, + GRF_DPHY_TX0_TURNREQUEST_MASK = 0xf000 + << GRF_DPHY_TX0_TURNREQUEST_SHIFT, + GRF_DPHY_TX0_TURNREQUEST_EN = 0x1, + GRF_DPHY_TX0_TURNREQUEST_DIS = 0, + /* PMUGRF_GPIO0A_IOMUX */ PMUGRF_GPIO0A6_SEL_SHIFT = 12, PMUGRF_GPIO0A6_SEL_MASK = 3 << PMUGRF_GPIO0A6_SEL_SHIFT,

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: -Split mipi dsi driver file and header as a single patch.

Changes in v2: None

.../include/asm/arch-rockchip/rockchip_mipi_dsi.h | 195 ++++++++ drivers/video/rockchip/rk_mipi.c | 491 +++++++++++++++++++++ 2 files changed, 686 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/rockchip_mipi_dsi.h create mode 100644 drivers/video/rockchip/rk_mipi.c

diff --git a/arch/arm/include/asm/arch-rockchip/rockchip_mipi_dsi.h b/arch/arm/include/asm/arch-rockchip/rockchip_mipi_dsi.h new file mode 100644 index 0000000..d7f79c5 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/rockchip_mipi_dsi.h @@ -0,0 +1,195 @@ +/* + * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd + * author: Eric Gao eric.gao@rock-chips.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef ROCKCHIP_MIPI_DSI_H +#define ROCKCHIP_MIPI_DSI_H + +/* + * All these mipi controller register declaration provide reg address offset, + * bits width, bit offset for a specified register bits. With these message, we + * can set or clear every bits individually for a 32bit widthregister. We use + * DSI_HOST_BITS macro definition to combinat these message using the following + * format: val(32bit) = addr(16bit) | width(8bit) | offest(8bit) + * For example: + * #define SHUTDOWNZ DSI_HOST_BITS(0x004, 1, 0) + * means SHUTDOWNZ is a signal reg bit with bit offset qual 0,and it's reg addr + * offset is 0x004.The conbinat result = (0x004 << 16) | (1 << 8) | 0 + */ +#define ADDR_SHIFT 16 +#define BITS_SHIFT 8 +#define OFFSET_SHIFT 0 +#define DSI_HOST_BITS(addr, bits, bit_offset) \ +((addr << ADDR_SHIFT) | (bits << BITS_SHIFT) | (bit_offset << OFFSET_SHIFT)) + +/* DWC_DSI_VERSION_0x3133302A */ +#define VERSION DSI_HOST_BITS(0x000, 32, 0) +#define SHUTDOWNZ DSI_HOST_BITS(0x004, 1, 0) +#define TO_CLK_DIVISION DSI_HOST_BITS(0x008, 8, 8) +#define TX_ESC_CLK_DIVISION DSI_HOST_BITS(0x008, 8, 0) +#define DPI_VCID DSI_HOST_BITS(0x00c, 2, 0) +#define EN18_LOOSELY DSI_HOST_BITS(0x010, 1, 8) +#define DPI_COLOR_CODING DSI_HOST_BITS(0x010, 4, 0) +#define COLORM_ACTIVE_LOW DSI_HOST_BITS(0x014, 1, 4) +#define SHUTD_ACTIVE_LOW DSI_HOST_BITS(0x014, 1, 3) +#define HSYNC_ACTIVE_LOW DSI_HOST_BITS(0x014, 1, 2) +#define VSYNC_ACTIVE_LOW DSI_HOST_BITS(0x014, 1, 1) +#define DATAEN_ACTIVE_LOW DSI_HOST_BITS(0x014, 1, 0) +#define OUTVACT_LPCMD_TIME DSI_HOST_BITS(0x018, 8, 16) +#define INVACT_LPCMD_TIME DSI_HOST_BITS(0x018, 8, 0) +#define CRC_RX_EN DSI_HOST_BITS(0x02c, 1, 4) +#define ECC_RX_EN DSI_HOST_BITS(0x02c, 1, 3) +#define BTA_EN DSI_HOST_BITS(0x02c, 1, 2) +#define EOTP_RX_EN DSI_HOST_BITS(0x02c, 1, 1) +#define EOTP_TX_EN DSI_HOST_BITS(0x02c, 1, 0) +#define GEN_VID_RX DSI_HOST_BITS(0x030, 2, 0) +#define CMD_VIDEO_MODE DSI_HOST_BITS(0x034, 1, 0) +#define VPG_ORIENTATION DSI_HOST_BITS(0x038, 1, 24) +#define VPG_MODE DSI_HOST_BITS(0x038, 1, 20) +#define VPG_EN DSI_HOST_BITS(0x038, 1, 16) +#define LP_CMD_EN DSI_HOST_BITS(0x038, 1, 15) +#define FRAME_BTA_ACK_EN DSI_HOST_BITS(0x038, 1, 14) +#define LP_HFP_EN DSI_HOST_BITS(0x038, 1, 13) +#define LP_HBP_EN DSI_HOST_BITS(0x038, 1, 12) +#define LP_VACT_EN DSI_HOST_BITS(0x038, 1, 11) +#define LP_VFP_EN DSI_HOST_BITS(0x038, 1, 10) +#define LP_VBP_EN DSI_HOST_BITS(0x038, 1, 9) +#define LP_VSA_EN DSI_HOST_BITS(0x038, 1, 8) +#define VID_MODE_TYPE DSI_HOST_BITS(0x038, 2, 0) +#define VID_PKT_SIZE DSI_HOST_BITS(0x03c, 14, 0) +#define NUM_CHUNKS DSI_HOST_BITS(0x040, 13, 0) +#define NULL_PKT_SIZE DSI_HOST_BITS(0x044, 13, 0) +#define VID_HSA_TIME DSI_HOST_BITS(0x048, 12, 0) +#define VID_HBP_TIME DSI_HOST_BITS(0x04c, 12, 0) +#define VID_HLINE_TIME DSI_HOST_BITS(0x050, 15, 0) +#define VID_VSA_LINES DSI_HOST_BITS(0x054, 10, 0) +#define VID_VBP_LINES DSI_HOST_BITS(0x058, 10, 0) +#define VID_VFP_LINES DSI_HOST_BITS(0x05c, 10, 0) +#define VID_ACTIVE_LINES DSI_HOST_BITS(0x060, 14, 0) +#define EDPI_CMD_SIZE DSI_HOST_BITS(0x064, 16, 0) +#define MAX_RD_PKT_SIZE DSI_HOST_BITS(0x068, 1, 24) +#define DCS_LW_TX DSI_HOST_BITS(0x068, 1, 19) +#define DCS_SR_0P_TX DSI_HOST_BITS(0x068, 1, 18) +#define DCS_SW_1P_TX DSI_HOST_BITS(0x068, 1, 17) +#define DCS_SW_0P_TX DSI_HOST_BITS(0x068, 1, 16) +#define GEN_LW_TX DSI_HOST_BITS(0x068, 1, 14) +#define GEN_SR_2P_TX DSI_HOST_BITS(0x068, 1, 13) +#define GEN_SR_1P_TX DSI_HOST_BITS(0x068, 1, 12) +#define GEN_SR_0P_TX DSI_HOST_BITS(0x068, 1, 11) +#define GEN_SW_2P_TX DSI_HOST_BITS(0x068, 1, 10) +#define GEN_SW_1P_TX DSI_HOST_BITS(0x068, 1, 9) +#define GEN_SW_0P_TX DSI_HOST_BITS(0x068, 1, 8) +#define ACK_RQST_EN DSI_HOST_BITS(0x068, 1, 1) +#define TEAR_FX_EN DSI_HOST_BITS(0x068, 1, 0) +#define GEN_WC_MSBYTE DSI_HOST_BITS(0x06c, 14, 16) +#define GEN_WC_LSBYTE DSI_HOST_BITS(0x06c, 8, 8) +#define GEN_VC DSI_HOST_BITS(0x06c, 2, 6) +#define GEN_DT DSI_HOST_BITS(0x06c, 6, 0) +#define GEN_PLD_DATA DSI_HOST_BITS(0x070, 32, 0) +#define GEN_RD_CMD_BUSY DSI_HOST_BITS(0x074, 1, 6) +#define GEN_PLD_R_FULL DSI_HOST_BITS(0x074, 1, 5) +#define GEN_PLD_R_EMPTY DSI_HOST_BITS(0x074, 1, 4) +#define GEN_PLD_W_FULL DSI_HOST_BITS(0x074, 1, 3) +#define GEN_PLD_W_EMPTY DSI_HOST_BITS(0x074, 1, 2) +#define GEN_CMD_FULL DSI_HOST_BITS(0x074, 1, 1) +#define GEN_CMD_EMPTY DSI_HOST_BITS(0x074, 1, 0) +#define HSTX_TO_CNT DSI_HOST_BITS(0x078, 16, 16) +#define LPRX_TO_CNT DSI_HOST_BITS(0x078, 16, 0) +#define HS_RD_TO_CNT DSI_HOST_BITS(0x07c, 16, 0) +#define LP_RD_TO_CNT DSI_HOST_BITS(0x080, 16, 0) +#define PRESP_TO_MODE DSI_HOST_BITS(0x084, 1, 24) +#define HS_WR_TO_CNT DSI_HOST_BITS(0x084, 16, 0) +#define LP_WR_TO_CNT DSI_HOST_BITS(0x088, 16, 0) +#define BTA_TO_CNT DSI_HOST_BITS(0x08c, 16, 0) +#define AUTO_CLKLANE_CTRL DSI_HOST_BITS(0x094, 1, 1) +#define PHY_TXREQUESTCLKHS DSI_HOST_BITS(0x094, 1, 0) +#define PHY_HS2LP_TIME_CLK_LANE DSI_HOST_BITS(0x098, 10, 16) +#define PHY_HS2HS_TIME_CLK_LANE DSI_HOST_BITS(0x098, 10, 0) +#define PHY_HS2LP_TIME DSI_HOST_BITS(0x09c, 8, 24) +#define PHY_LP2HS_TIME DSI_HOST_BITS(0x09c, 8, 16) +#define MAX_RD_TIME DSI_HOST_BITS(0x09c, 15, 0) +#define PHY_FORCEPLL DSI_HOST_BITS(0x0a0, 1, 3) +#define PHY_ENABLECLK DSI_HOST_BITS(0x0a0, 1, 2) +#define PHY_RSTZ DSI_HOST_BITS(0x0a0, 1, 1) +#define PHY_SHUTDOWNZ DSI_HOST_BITS(0x0a0, 1, 0) +#define PHY_STOP_WAIT_TIME DSI_HOST_BITS(0x0a4, 8, 8) +#define N_LANES DSI_HOST_BITS(0x0a4, 2, 0) +#define PHY_TXEXITULPSLAN DSI_HOST_BITS(0x0a8, 1, 3) +#define PHY_TXREQULPSLAN DSI_HOST_BITS(0x0a8, 1, 2) +#define PHY_TXEXITULPSCLK DSI_HOST_BITS(0x0a8, 1, 1) +#define PHY_TXREQULPSCLK DSI_HOST_BITS(0x0a8, 1, 0) +#define PHY_TX_TRIGGERS DSI_HOST_BITS(0x0ac, 4, 0) +#define PHYSTOPSTATECLKLANE DSI_HOST_BITS(0x0b0, 1, 2) +#define PHYLOCK DSI_HOST_BITS(0x0b0, 1, 0) +#define PHY_TESTCLK DSI_HOST_BITS(0x0b4, 1, 1) +#define PHY_TESTCLR DSI_HOST_BITS(0x0b4, 1, 0) +#define PHY_TESTEN DSI_HOST_BITS(0x0b8, 1, 16) +#define PHY_TESTDOUT DSI_HOST_BITS(0x0b8, 8, 8) +#define PHY_TESTDIN DSI_HOST_BITS(0x0b8, 8, 0) +#define PHY_TEST_CTRL1 DSI_HOST_BITS(0x0b8, 17, 0) +#define PHY_TEST_CTRL0 DSI_HOST_BITS(0x0b4, 2, 0) +#define INT_ST0 DSI_HOST_BITS(0x0bc, 21, 0) +#define INT_ST1 DSI_HOST_BITS(0x0c0, 18, 0) +#define INT_MKS0 DSI_HOST_BITS(0x0c4, 21, 0) +#define INT_MKS1 DSI_HOST_BITS(0x0c8, 18, 0) +#define INT_FORCE0 DSI_HOST_BITS(0x0d8, 21, 0) +#define INT_FORCE1 DSI_HOST_BITS(0x0dc, 18, 0) + +#define CODE_HS_RX_CLOCK 0x34 +#define CODE_HS_RX_LANE0 0x44 +#define CODE_HS_RX_LANE1 0x54 +#define CODE_HS_RX_LANE2 0x84 +#define CODE_HS_RX_LANE3 0x94 + +#define CODE_PLL_VCORANGE_VCOCAP 0x10 +#define CODE_PLL_CPCTRL 0x11 +#define CODE_PLL_LPF_CP 0x12 +#define CODE_PLL_INPUT_DIV_RAT 0x17 +#define CODE_PLL_LOOP_DIV_RAT 0x18 +#define CODE_PLL_INPUT_LOOP_DIV_RAT 0x19 +#define CODE_BANDGAP_BIAS_CTRL 0x20 +#define CODE_TERMINATION_CTRL 0x21 +#define CODE_AFE_BIAS_BANDGAP_ANOLOG 0x22 + +#define CODE_HSTXDATALANEREQUSETSTATETIME 0x70 +#define CODE_HSTXDATALANEPREPARESTATETIME 0x71 +#define CODE_HSTXDATALANEHSZEROSTATETIME 0x72 + +/* Transmission mode between vop and MIPI controller */ +enum vid_mode_type_t { + NON_BURST_SYNC_PLUSE = 0, + NON_BURST_SYNC_EVENT, + BURST_MODE, +}; + +enum cmd_video_mode { + VIDEO_MODE = 0, + CMD_MODE, +}; + +/* Indicate MIPI DSI color mode */ +enum dpi_color_coding { + DPI_16BIT_CFG_1 = 0, + DPI_16BIT_CFG_2, + DPI_16BIT_CFG_3, + DPI_18BIT_CFG_1, + DPI_18BIT_CFG_2, + DPI_24BIT, + DPI_20BIT_YCBCR_422_LP, + DPI_24BIT_YCBCR_422, + DPI_16BIT_YCBCR_422, + DPI_30BIT, + DPI_36BIT, + DPI_12BIT_YCBCR_420, +}; + +/* Indicate which VOP the MIPI DSI use, bit or little one */ +enum vop_id { + VOP_B = 0, + VOP_L, +}; + +#endif /* end of ROCKCHIP_MIPI_DSI_H */ diff --git a/drivers/video/rockchip/rk_mipi.c b/drivers/video/rockchip/rk_mipi.c new file mode 100644 index 0000000..ab131cd --- /dev/null +++ b/drivers/video/rockchip/rk_mipi.c @@ -0,0 +1,491 @@ +/* + * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd + * Author: Eric Gao eric.gao@rock-chips.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <clk.h> +#include <display.h> +#include <dm.h> +#include <fdtdec.h> +#include <panel.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/gpio.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <dm/uclass-internal.h> +#include <linux/kernel.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk3399.h> +#include <asm/arch/grf_rk3399.h> +#include <asm/arch/rockchip_mipi_dsi.h> +#include <dt-bindings/clock/rk3288-cru.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Private information for rk mipi + * + * @regs: mipi controller address + * @grf: GRF register + * @panel: panel assined by device tree + * @ref_clk: reference clock for mipi dsi pll + * @sysclk: config clock for mipi dsi register + * @pix_clk: pixel clock for vop->dsi data transmission + * @phy_clk: mipi dphy output clock + * @txbyte_clk: clock for dsi->dphy high speed data transmission + * @txesc_clk: clock for tx esc mode + */ +struct rk_mipi_priv { + void __iomem *regs; + struct rk3399_grf_regs *grf; + struct udevice *panel; + struct mipi_dsi *dsi; + u32 ref_clk; + u32 sys_clk; + u32 pix_clk; + u32 phy_clk; + u32 txbyte_clk; + u32 txesc_clk; +}; + +static int rk_mipi_read_timing(struct udevice *dev, + struct display_timing *timing) +{ + int ret; + + ret = fdtdec_decode_display_timing(gd->fdt_blob, dev_of_offset(dev), + 0, timing); + if (ret) { + debug("%s: Failed to decode display timing (ret=%d)\n", + __func__, ret); + return -EINVAL; + } + + return 0; +} + +/* + * Register write function used only for mipi dsi controller. + * Parameter: + * @regs: mipi controller address + * @reg: combination of regaddr(16bit)|bitswidth(8bit)|offset(8bit) you can + * use define in rk_mipi.h directly for this parameter + * @val: value that will be write to specified bits of register + */ +static void rk_mipi_dsi_write(u32 regs, u32 reg, u32 val) +{ + u32 dat; + u32 mask; + u32 offset = (reg >> OFFSET_SHIFT) & 0xff; + u32 bits = (reg >> BITS_SHIFT) & 0xff; + u64 addr = (reg >> ADDR_SHIFT) + regs; + + /* Mask for specifiled bits,the corresponding bits will be clear */ + mask = ~((0xffffffff << offset) & (0xffffffff >> (32 - offset - bits))); + + /* Make sure val in the available range */ + val &= ~(0xffffffff << bits); + + /* Get register's original val */ + dat = readl(addr); + + /* Clear specified bits */ + dat &= mask; + + /* Fill specified bits */ + dat |= val << offset; + + writel(dat, addr); +} + +static int rk_mipi_dsi_enable(struct udevice *dev, + const struct display_timing *timing) +{ + int node, timing_node; + int val; + struct rk_mipi_priv *priv = dev_get_priv(dev); + u64 regs = (u64)priv->regs; + struct display_plat *disp_uc_plat = dev_get_uclass_platdata(dev); + u32 txbyte_clk = priv->txbyte_clk; + u32 txesc_clk = priv->txesc_clk; + + txesc_clk = txbyte_clk/(txbyte_clk/txesc_clk + 1); + + /* Select the video source */ + switch (disp_uc_plat->source_id) { + case VOP_B: + rk_clrsetreg(&priv->grf->soc_con20, GRF_DSI0_VOP_SEL_MASK, + GRF_DSI0_VOP_SEL_B << GRF_DSI0_VOP_SEL_SHIFT); + break; + case VOP_L: + rk_clrsetreg(&priv->grf->soc_con20, GRF_DSI0_VOP_SEL_MASK, + GRF_DSI0_VOP_SEL_L << GRF_DSI0_VOP_SEL_SHIFT); + break; + default: + debug("%s: Invalid VOP id\n", __func__); + return -EINVAL; + } + + /* Set Controller as TX mode */ + val = GRF_DPHY_TX0_RXMODE_DIS << GRF_DPHY_TX0_RXMODE_SHIFT; + rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_RXMODE_MASK, val); + + /* Exit tx stop mode */ + val |= GRF_DPHY_TX0_TXSTOPMODE_DIS << GRF_DPHY_TX0_TXSTOPMODE_SHIFT; + rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_TXSTOPMODE_MASK, val); + + /* Disable turnequest */ + val |= GRF_DPHY_TX0_TURNREQUEST_DIS << GRF_DPHY_TX0_TURNREQUEST_SHIFT; + rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_TURNREQUEST_MASK, val); + + /* Set Display timing parameter */ + rk_mipi_dsi_write(regs, VID_HSA_TIME, timing->hsync_len.typ); + rk_mipi_dsi_write(regs, VID_HBP_TIME, timing->hback_porch.typ); + rk_mipi_dsi_write(regs, VID_HLINE_TIME, (timing->hsync_len.typ + + timing->hback_porch.typ + timing->hactive.typ + + timing->hfront_porch.typ)); + rk_mipi_dsi_write(regs, VID_VSA_LINES, timing->vsync_len.typ); + rk_mipi_dsi_write(regs, VID_VBP_LINES, timing->vback_porch.typ); + rk_mipi_dsi_write(regs, VID_VFP_LINES, timing->vfront_porch.typ); + rk_mipi_dsi_write(regs, VID_ACTIVE_LINES, timing->vactive.typ); + + /* Set Signal Polarity */ + val = (timing->flags & DISPLAY_FLAGS_HSYNC_LOW) ? 1 : 0; + rk_mipi_dsi_write(regs, HSYNC_ACTIVE_LOW, val); + + val = (timing->flags & DISPLAY_FLAGS_VSYNC_LOW) ? 1 : 0; + rk_mipi_dsi_write(regs, VSYNC_ACTIVE_LOW, val); + + val = (timing->flags & DISPLAY_FLAGS_DE_LOW) ? 1 : 0; + rk_mipi_dsi_write(regs, DISPLAY_FLAGS_DE_LOW, val); + + val = (timing->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) ? 1 : 0; + rk_mipi_dsi_write(regs, COLORM_ACTIVE_LOW, val); + + /* Set video mode */ + rk_mipi_dsi_write(regs, CMD_VIDEO_MODE, VIDEO_MODE); + + /* Set video mode transmission type as burst mode */ + rk_mipi_dsi_write(regs, VID_MODE_TYPE, BURST_MODE); + + /* Set pix num in a video package */ + rk_mipi_dsi_write(regs, VID_PKT_SIZE, 0x4b0); + + /* Set dpi color coding depth 24 bit */ + timing_node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(dev), + "display-timings"); + node = fdt_first_subnode(gd->fdt_blob, timing_node); + val = fdtdec_get_int(gd->fdt_blob, node, "bits-per-pixel", -1); + switch (val) { + case 16: + rk_mipi_dsi_write(regs, DPI_COLOR_CODING, DPI_16BIT_CFG_1); + break; + case 24: + rk_mipi_dsi_write(regs, DPI_COLOR_CODING, DPI_24BIT); + break; + case 30: + rk_mipi_dsi_write(regs, DPI_COLOR_CODING, DPI_30BIT); + break; + default: + rk_mipi_dsi_write(regs, DPI_COLOR_CODING, DPI_24BIT); + } + /* Enable low power mode */ + rk_mipi_dsi_write(regs, LP_CMD_EN, 1); + rk_mipi_dsi_write(regs, LP_HFP_EN, 1); + rk_mipi_dsi_write(regs, LP_VACT_EN, 1); + rk_mipi_dsi_write(regs, LP_VFP_EN, 1); + rk_mipi_dsi_write(regs, LP_VBP_EN, 1); + rk_mipi_dsi_write(regs, LP_VSA_EN, 1); + + /* Division for timeout counter clk */ + rk_mipi_dsi_write(regs, TO_CLK_DIVISION, 0x0a); + + /* Tx esc clk division from txbyte clk */ + rk_mipi_dsi_write(regs, TX_ESC_CLK_DIVISION, txbyte_clk/txesc_clk); + + /* Timeout count for hs<->lp transation between Line period */ + rk_mipi_dsi_write(regs, HSTX_TO_CNT, 0x3e8); + + /* Phy State transfer timing */ + rk_mipi_dsi_write(regs, PHY_STOP_WAIT_TIME, 32); + rk_mipi_dsi_write(regs, PHY_TXREQUESTCLKHS, 1); + rk_mipi_dsi_write(regs, PHY_HS2LP_TIME, 0x14); + rk_mipi_dsi_write(regs, PHY_LP2HS_TIME, 0x10); + rk_mipi_dsi_write(regs, MAX_RD_TIME, 0x2710); + + /* Power on */ + rk_mipi_dsi_write(regs, SHUTDOWNZ, 1); + + return 0; +} + +/* rk mipi dphy write function. It is used to write test data to dphy */ +static void rk_mipi_phy_write(u32 regs, unsigned char test_code, + unsigned char *test_data, unsigned char size) +{ + int i = 0; + + /* Write Test code */ + rk_mipi_dsi_write(regs, PHY_TESTCLK, 1); + rk_mipi_dsi_write(regs, PHY_TESTDIN, test_code); + rk_mipi_dsi_write(regs, PHY_TESTEN, 1); + rk_mipi_dsi_write(regs, PHY_TESTCLK, 0); + rk_mipi_dsi_write(regs, PHY_TESTEN, 0); + + /* Write Test data */ + for (i = 0; i < size; i++) { + rk_mipi_dsi_write(regs, PHY_TESTCLK, 0); + rk_mipi_dsi_write(regs, PHY_TESTDIN, test_data[i]); + rk_mipi_dsi_write(regs, PHY_TESTCLK, 1); + } +} + +/* + * Mipi dphy config function. Calculate the suitable prediv, feedback div, + * fsfreqrang value ,cap ,lpf and so on according to the given pix clk rate, + * and then enable phy. + */ +static int rk_mipi_phy_enable(struct udevice *dev) +{ + int i; + struct rk_mipi_priv *priv = dev_get_priv(dev); + u64 regs = (u64)priv->regs; + u64 fbdiv; + u64 prediv = 1; + u32 max_fbdiv = 512; + u32 max_prediv, min_prediv; + u64 ddr_clk = priv->phy_clk; + u32 refclk = priv->ref_clk; + u32 remain = refclk; + unsigned char test_data[2] = {0}; + + int freq_rang[][2] = { + {90, 0x01}, {100, 0x10}, {110, 0x20}, {130, 0x01}, + {140, 0x11}, {150, 0x21}, {170, 0x02}, {180, 0x12}, + {200, 0x22}, {220, 0x03}, {240, 0x13}, {250, 0x23}, + {270, 0x04}, {300, 0x14}, {330, 0x05}, {360, 0x15}, + {400, 0x25}, {450, 0x06}, {500, 0x16}, {550, 0x07}, + {600, 0x17}, {650, 0x08}, {700, 0x18}, {750, 0x09}, + {800, 0x19}, {850, 0x29}, {900, 0x39}, {950, 0x0a}, + {1000, 0x1a}, {1050, 0x2a}, {1100, 0x3a}, {1150, 0x0b}, + {1200, 0x1b}, {1250, 0x2b}, {1300, 0x3b}, {1350, 0x0c}, + {1400, 0x1c}, {1450, 0x2c}, {1500, 0x3c} + }; + + /* Shutdown mode */ + rk_mipi_dsi_write(regs, PHY_SHUTDOWNZ, 0); + rk_mipi_dsi_write(regs, PHY_RSTZ, 0); + rk_mipi_dsi_write(regs, PHY_TESTCLR, 1); + + /* Pll locking */ + rk_mipi_dsi_write(regs, PHY_TESTCLR, 0); + + /* config cp and lfp */ + test_data[0] = 0x80 | (ddr_clk / (200 * MHz)) << 3 | 0x3; + rk_mipi_phy_write(regs, CODE_PLL_VCORANGE_VCOCAP, test_data, 1); + + test_data[0] = 0x8; + rk_mipi_phy_write(regs, CODE_PLL_CPCTRL, test_data, 1); + + test_data[0] = 0x80 | 0x40; + rk_mipi_phy_write(regs, CODE_PLL_LPF_CP, test_data, 1); + + /* select the suitable value for fsfreqrang reg */ + for (i = 0; i < ARRAY_SIZE(freq_rang); i++) { + if (ddr_clk / (MHz) >= freq_rang[i][0]) + break; + } + if (i == ARRAY_SIZE(freq_rang)) { + debug("%s: Dphy freq out of range!\n", __func__); + return -EINVAL; + } + test_data[0] = freq_rang[i][1] << 1; + rk_mipi_phy_write(regs, CODE_HS_RX_LANE0, test_data, 1); + + /* + * Calculate the best ddrclk and it's corresponding div value. If the + * given pixelclock is great than 250M, ddrclk will be fix 1500M. + * Otherwise, + * it's equal to ddr_clk= pixclk * 6. 40MHz >= refclk / prediv >= 5MHz + * according to spec. + */ + max_prediv = (refclk / (5 * MHz)); + min_prediv = ((refclk / (40 * MHz)) ? (refclk / (40 * MHz) + 1) : 1); + + debug("%s: DEBUG: max_prediv=%u, min_prediv=%u\n", __func__, max_prediv, + min_prediv); + + if (max_prediv < min_prediv) { + debug("%s: Invalid refclk value\n", __func__); + return -EINVAL; + } + + /* Calculate the best refclk and feedback division value for dphy pll */ + for (i = min_prediv; i < max_prediv; i++) { + if ((ddr_clk * i % refclk < remain) && + (ddr_clk * i / refclk) < max_fbdiv) { + prediv = i; + remain = ddr_clk * i % refclk; + } + } + fbdiv = ddr_clk * prediv / refclk; + ddr_clk = refclk * fbdiv / prediv; + priv->phy_clk = ddr_clk; + + debug("%s: DEBUG: refclk=%u, refclk=%llu, fbdiv=%llu, phyclk=%llu\n", + __func__, refclk, prediv, fbdiv, ddr_clk); + + /* config prediv and feedback reg */ + test_data[0] = prediv - 1; + rk_mipi_phy_write(regs, CODE_PLL_INPUT_DIV_RAT, test_data, 1); + test_data[0] = (fbdiv - 1) & 0x1f; + rk_mipi_phy_write(regs, CODE_PLL_LOOP_DIV_RAT, test_data, 1); + test_data[0] = (fbdiv - 1) >> 5 | 0x80; + rk_mipi_phy_write(regs, CODE_PLL_LOOP_DIV_RAT, test_data, 1); + test_data[0] = 0x30; + rk_mipi_phy_write(regs, CODE_PLL_INPUT_LOOP_DIV_RAT, test_data, 1); + + /* rest config */ + test_data[0] = 0x4d; + rk_mipi_phy_write(regs, CODE_BANDGAP_BIAS_CTRL, test_data, 1); + + test_data[0] = 0x3d; + rk_mipi_phy_write(regs, CODE_TERMINATION_CTRL, test_data, 1); + + test_data[0] = 0xdf; + rk_mipi_phy_write(regs, CODE_TERMINATION_CTRL, test_data, 1); + + test_data[0] = 0x7; + rk_mipi_phy_write(regs, CODE_AFE_BIAS_BANDGAP_ANOLOG, test_data, 1); + + test_data[0] = 0x80 | 0x7; + rk_mipi_phy_write(regs, CODE_AFE_BIAS_BANDGAP_ANOLOG, test_data, 1); + + test_data[0] = 0x80 | 15; + rk_mipi_phy_write(regs, CODE_HSTXDATALANEREQUSETSTATETIME, + test_data, 1); + test_data[0] = 0x80 | 85; + rk_mipi_phy_write(regs, CODE_HSTXDATALANEPREPARESTATETIME, + test_data, 1); + test_data[0] = 0x40 | 10; + rk_mipi_phy_write(regs, CODE_HSTXDATALANEHSZEROSTATETIME, + test_data, 1); + + /* enter into stop mode */ + rk_mipi_dsi_write(regs, N_LANES, 0x03); + rk_mipi_dsi_write(regs, PHY_ENABLECLK, 1); + rk_mipi_dsi_write(regs, PHY_FORCEPLL, 1); + rk_mipi_dsi_write(regs, PHY_SHUTDOWNZ, 1); + rk_mipi_dsi_write(regs, PHY_RSTZ, 1); + + return 0; +} + +/* + * This function is called by rk_display_init() using rk_mipi_dsi_enable() and + * rk_mipi_phy_enable() to initialize mipi controller and dphy. If success, + * enable backlight. + */ +static int rk_display_enable(struct udevice *dev, int panel_bpp, + const struct display_timing *timing) +{ + int ret; + struct rk_mipi_priv *priv = dev_get_priv(dev); + + /* Fill the mipi controller parameter */ + priv->ref_clk = 24 * MHz; + priv->sys_clk = priv->ref_clk; + priv->pix_clk = timing->pixelclock.typ; + priv->phy_clk = priv->pix_clk * 6; + priv->txbyte_clk = priv->phy_clk / 8; + priv->txesc_clk = 20 * MHz; + + /* Config and enable mipi dsi according to timing */ + ret = rk_mipi_dsi_enable(dev, timing); + if (ret) { + debug("%s: rk_mipi_dsi_enable() failed (err=%d)\n", + __func__, ret); + return ret; + } + + /* Config and enable mipi phy */ + ret = rk_mipi_phy_enable(dev); + if (ret) { + debug("%s: rk_mipi_phy_enable() failed (err=%d)\n", + __func__, ret); + return ret; + } + + /* Enable backlight */ + ret = panel_enable_backlight(priv->panel); + if (ret) { + debug("%s: panel_enable_backlight() failed (err=%d)\n", + __func__, ret); + return ret; + } + + return 0; +} + +static int rk_mipi_ofdata_to_platdata(struct udevice *dev) +{ + struct rk_mipi_priv *priv = dev_get_priv(dev); + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + if (priv->grf <= 0) { + debug("%s: Get syscon grf failed (ret=%d)\n", + __func__, priv->grf); + return -ENXIO; + } + priv->regs = (void *)dev_get_addr(dev); + if (priv->regs <= 0) { + debug("%s: Get MIPI dsi address failed (ret=%d)\n", __func__, + priv->regs); + return -ENXIO; + } + + return 0; +} + +/* + * Probe function: check panel existence and readingit's timing. Then config + * mipi dsi controller and enable it according to the timing parameter. + */ +static int rk_mipi_probe(struct udevice *dev) +{ + int ret; + struct rk_mipi_priv *priv = dev_get_priv(dev); + + ret = uclass_get_device_by_phandle(UCLASS_PANEL, dev, "rockchip,panel", + &priv->panel); + if (ret) { + debug("%s: Can not find panel (err=%d)\n", __func__, ret); + return ret; + } + + return 0; +} + +static const struct dm_display_ops rk_mipi_dsi_ops = { + .read_timing = rk_mipi_read_timing, + .enable = rk_display_enable, +}; + +static const struct udevice_id rk_mipi_dsi_ids[] = { + { .compatible = "rockchip,rk3399_mipi_dsi" }, + { } +}; + +U_BOOT_DRIVER(rk_mipi_dsi) = { + .name = "rk_mipi_dsi", + .id = UCLASS_DISPLAY, + .of_match = rk_mipi_dsi_ids, + .ofdata_to_platdata = rk_mipi_ofdata_to_platdata, + .probe = rk_mipi_probe, + .ops = &rk_mipi_dsi_ops, + .priv_auto_alloc_size = sizeof(struct rk_mipi_priv), +};

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: -Clear irrelevant change

Changes in v3: -Split Makefile changes to a single patch.

Changes in v2: None

drivers/video/rockchip/Makefile | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/video/rockchip/Makefile b/drivers/video/rockchip/Makefile index 3bb0519..c742902 100644 --- a/drivers/video/rockchip/Makefile +++ b/drivers/video/rockchip/Makefile @@ -10,4 +10,5 @@ obj-y += rk_vop.o obj-$(CONFIG_DISPLAY_ROCKCHIP_EDP) += rk_edp.o obj-$(CONFIG_DISPLAY_ROCKCHIP_LVDS) += rk_lvds.o obj-$(CONFIG_DISPLAY_ROCKCHIP_HDMI) += rk_hdmi.o ../dw_hdmi.o +obj-$(CONFIG_DISPLAY_ROCKCHIP_MIPI) += rk_mipi.o endif

The function clk_set_rate() will return it's input parameter, so it's return value in normal condition is nonzero. In this case, we should report error when it return zero rather than return a nonzero value.

Signed-off-by: Eric Gao eric.gao@rock-chips.com ---

Changes in v4: -Move this patch to an early stage.

Changes in v3: -Improve indentation relationship

Changes in v2: -Fix rk_display_init() function report error(err:-19).

drivers/video/rockchip/rk_vop.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index bc02f80..0691fdf 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -242,11 +242,13 @@ int rk_display_init(struct udevice *dev, ulong fbbase, }

ret = clk_get_by_index(dev, 1, &clk); - if (!ret) + if (!ret) { ret = clk_set_rate(&clk, timing.pixelclock.typ); - if (ret) { - debug("%s: Failed to set pixel clock: ret=%d\n", __func__, ret); - return ret; + if (!ret) { + debug("%s: Failed to set pixel clock: ret=%d\n", + __func__, ret); + return ret; + } }

rkvop_mode_set(regs, &timing, vop_id);

Add mipi display mode for rk3399 vop, so that we can use mipi panel for display.

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: None Changes in v2: -Add mipi display mode for vop. -Add compatible items for rk3399 vop.

arch/arm/include/asm/arch-rockchip/vop_rk3288.h | 1 + drivers/video/rockchip/rk_vop.c | 6 ++++++ 2 files changed, 7 insertions(+)

diff --git a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h index 0ce3d67..d5599ec 100644 --- a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h +++ b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h @@ -90,6 +90,7 @@ enum vop_modes { VOP_MODE_EDP = 0, VOP_MODE_HDMI, VOP_MODE_LVDS, + VOP_MODE_MIPI, VOP_MODE_NONE, VOP_MODE_AUTO_DETECT, VOP_MODE_UNKNOWN, diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index 0691fdf..e6c4ea8 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -117,6 +117,10 @@ void rkvop_mode_set(struct rk3288_vop *regs, clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN, V_RGB_OUT_EN(1)); break; + case VOP_MODE_MIPI: + clrsetbits_le32(&regs->sys_ctrl, M_ALL_OUT_EN, + V_MIPI_OUT_EN(1)); + break; }

if (mode == VOP_MODE_HDMI || mode == VOP_MODE_EDP) @@ -352,6 +356,8 @@ static const struct video_ops rk_vop_ops = { };

static const struct udevice_id rk_vop_ids[] = { + { .compatible = "rockchip,rk3399-vop-big" }, + { .compatible = "rockchip,rk3399-vop-lit" }, { .compatible = "rockchip,rk3288-vop" }, { } };

Because the bitwidth is different for different display mode, so we need to set them according to demand.

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: None Changes in v2: -Change the bitwidth for different display mode.

drivers/video/rockchip/rk_vop.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index e6c4ea8..5f5db9e 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -181,13 +181,11 @@ void rkvop_mode_set(struct rk3288_vop *regs, * * @dev: VOP device that we want to connect to the display * @fbbase: Frame buffer address - * @l2bpp Log2 of bits-per-pixels for the display * @ep_node: Device tree node to process - this is the offset of an endpoint * node within the VOP's 'port' list. * @return 0 if OK, -ve if something went wrong */ -int rk_display_init(struct udevice *dev, ulong fbbase, - enum video_log2_bpp l2bpp, int ep_node) +int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node) { struct video_priv *uc_priv = dev_get_uclass_priv(dev); const void *blob = gd->fdt_blob; @@ -199,6 +197,7 @@ int rk_display_init(struct udevice *dev, ulong fbbase, int ret, remote, i, offset; struct display_plat *disp_uc_plat; struct clk clk; + enum video_log2_bpp l2bpp;

vop_id = fdtdec_get_int(blob, ep_node, "reg", -1); debug("vop_id=%d\n", vop_id); @@ -255,6 +254,19 @@ int rk_display_init(struct udevice *dev, ulong fbbase, } }

+ /* Set bitwidth for vop display according to vop mode */ + switch (vop_id) { + case VOP_MODE_EDP: + case VOP_MODE_HDMI: + case VOP_MODE_LVDS: + l2bpp = VIDEO_BPP16; + break; + case VOP_MODE_MIPI: + l2bpp = VIDEO_BPP32; + break; + default: + l2bpp = VIDEO_BPP16; + } rkvop_mode_set(regs, &timing, vop_id);

rkvop_enable(regs, fbbase, 1 << l2bpp, &timing); @@ -332,7 +344,7 @@ static int rk_vop_probe(struct udevice *dev) for (node = fdt_first_subnode(blob, port); node > 0; node = fdt_next_subnode(blob, node)) { - ret = rk_display_init(dev, plat->base, VIDEO_BPP16, node); + ret = rk_display_init(dev, plat->base, node); if (ret) debug("Device failed: ret=%d\n", ret); if (!ret)

plat->size here is used to reserve frame buffer space befor relocation. our mipi panel use 24 bitwidth, and vop require 32bit align. So the frame buffer size should be at least 1920*1200*32/8.

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: -Add more description in the commit message

Changes in v2: -Extend frame buffer size for mipi display

drivers/video/rockchip/rk_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c index 5f5db9e..f1c6030 100644 --- a/drivers/video/rockchip/rk_vop.c +++ b/drivers/video/rockchip/rk_vop.c @@ -359,7 +359,7 @@ static int rk_vop_bind(struct udevice *dev) { struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);

- plat->size = 1920 * 1080 * 2; + plat->size = 1920 * 1200 * 4;

return 0; }

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: -Add ret value in debug message.

Changes in v2: -Add pwm0 pinctrl init for lcd backlight.

board/rockchip/evb_rk3399/evb-rk3399.c | 7 +++++++ 1 file changed, 7 insertions(+)

diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c index 362fa0b..4753a76 100644 --- a/board/rockchip/evb_rk3399/evb-rk3399.c +++ b/board/rockchip/evb_rk3399/evb-rk3399.c @@ -28,6 +28,13 @@ int board_init(void) goto out; }

+ /* Enable pwm0 for panel backlight */ + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0); + if (ret) { + debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret); + goto out; + } + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2); if (ret) { debug("%s PWM2 pinctrl init fail!\n", __func__);

Add dts config for mipi display, include vop, mipi controller, panel, backlight . And Enable rk808 for lcd_3v3 in another patch.

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: None Changes in v2: -Add dts config for mipi display.

arch/arm/dts/rk3399-evb.dts | 84 +++++++++++++++++++++++++++++++++++++++++++++ arch/arm/dts/rk3399.dtsi | 72 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 156 insertions(+)

diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts index e1f867b..3d6f3ce 100644 --- a/arch/arm/dts/rk3399-evb.dts +++ b/arch/arm/dts/rk3399-evb.dts @@ -59,6 +59,15 @@ gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>; };

+ backlight: backlight { + compatible = "pwm-backlight"; + status = "disabled"; + }; + + panel:panel { + compatible = "simple-panel"; + status = "disabled"; + }; };

&emmc_phy { @@ -141,6 +150,7 @@ status = "okay";

vcc12-supply = <&vcc3v3_sys>; + regulators { vcc33_lcd: SWITCH_REG2 { regulator-always-on; @@ -151,6 +161,80 @@ }; };

+&backlight { + power-supply = <&vccsys>; + enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>; + brightness-levels = < + 0 1 2 3 4 5 6 7 + 8 9 10 11 12 13 14 15 + 16 17 18 19 20 21 22 23 + 24 25 26 27 28 29 30 31 + 32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 + 48 49 50 51 52 53 54 55 + 56 57 58 59 60 61 62 63 + 64 65 66 67 68 69 70 71 + 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 + 88 89 90 91 92 93 94 95 + 96 97 98 99 100 101 102 103 + 104 105 106 107 108 109 110 111 + 112 113 114 115 116 117 118 119 + 120 121 122 123 124 125 126 127 + 128 129 130 131 132 133 134 135 + 136 137 138 139 140 141 142 143 + 144 145 146 147 148 149 150 151 + 152 153 154 155 156 157 158 159 + 160 161 162 163 164 165 166 167 + 168 169 170 171 172 173 174 175 + 176 177 178 179 180 181 182 183 + 184 185 186 187 188 189 190 191 + 192 193 194 195 196 197 198 199 + 200 201 202 203 204 205 206 207 + 208 209 210 211 212 213 214 215 + 216 217 218 219 220 221 222 223 + 224 225 226 227 228 229 230 231 + 232 233 234 235 236 237 238 239 + 240 241 242 243 244 245 246 247 + 248 249 250 251 252 253 254 255>; + default-brightness-level = <200>; + pwms = <&pwm0 0 25000 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pin>; + pwm-delay-us = <10000>; + status = "okay"; + }; + +&panel { + power-supply = <&vcc33_lcd>; + backlight = <&backlight>; + /*enable-gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;*/ + status = "okay"; +}; + +&mipi_dsi { + status = "okay"; + rockchip,panel = <&panel>; + display-timings { + timing0 { + bits-per-pixel = <24>; + clock-frequency = <160000000>; + hfront-porch = <120>; + hsync-len = <20>; + hback-porch = <21>; + hactive = <1200>; + vfront-porch = <21>; + vsync-len = <3>; + vback-porch = <18>; + vactive = <1920>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; +}; + &pinctrl { pmic { pmic_int_l: pmic-int-l { diff --git a/arch/arm/dts/rk3399.dtsi b/arch/arm/dts/rk3399.dtsi index d94d780..9344a43 100644 --- a/arch/arm/dts/rk3399.dtsi +++ b/arch/arm/dts/rk3399.dtsi @@ -684,6 +684,78 @@ status = "disabled"; };

+ vopl: vop@ff8f0000 { + u-boot,dm-pre-reloc; + compatible = "rockchip,rk3399-vop-lit"; + reg = <0x0 0xff8f0000 0x0 0x3efc>; + interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&cru ACLK_VOP1>, <&cru DCLK_VOP1>, <&cru HCLK_VOP1>; + clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; + resets = <&cru SRST_A_VOP1>, <&cru SRST_H_VOP1>, <&cru SRST_D_VOP1>; + reset-names = "axi", "ahb", "dclk"; + status = "okay"; + vopl_out: port { + #address-cells = <1>; + #size-cells = <0>; + vopl_out_mipi: endpoint@0 { + reg = <3>; + remote-endpoint = <&mipi_in_vopl>; + }; + }; + }; + + vopb: vop@ff900000 { + u-boot,dm-pre-reloc; + compatible = "rockchip,rk3399-vop-big"; + reg = <0x0 0xff900000 0x0 0x3efc>; + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>; + #clock-cells = <0>; + clock-names = "aclk_vop", "dclk_vop", "hclk_vop"; + resets = <&cru SRST_A_VOP0>, <&cru SRST_H_VOP0>, <&cru SRST_D_VOP0>; + reset-names = "axi", "ahb", "dclk"; + /*power-domains = <&power RK3399_PD_VOPB>;*/ + status = "okay"; + vopb_out: port { + #address-cells = <1>; + #size-cells = <0>; + vopb_out_mipi: endpoint@0 { + reg = <3>; + remote-endpoint = <&mipi_in_vopb>; + }; + }; + }; + + mipi_dsi: mipi@ff960000 { + compatible = "rockchip,rk3399_mipi_dsi"; + reg = <0x0 0xff960000 0x0 0x8000>; + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&cru SCLK_MIPIDPHY_REF>, <&cru PCLK_MIPI_DSI0>, + <&cru SCLK_DPHY_TX0_CFG>; + clock-names = "ref", "pclk", "phy_cfg"; + rockchip,grf = <&grf>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + mipi_in: port { + #address-cells = <1>; + #size-cells = <0>; + mipi_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_mipi>; + }; + mipi_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_mipi>; + }; + }; + }; + }; + pinctrl: pinctrl { u-boot,dm-pre-reloc; compatible = "rockchip,rk3399-pinctrl";

Enable mipi dsi by default for rk3399-evb board

Signed-off-by: Eric Gao eric.gao@rock-chips.com

---

Changes in v4: None Changes in v3: None Changes in v2: -Add defconfigs for mipi display, so that it can be enabled by default.

configs/evb-rk3399_defconfig | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig index cef8506..3405857 100644 --- a/configs/evb-rk3399_defconfig +++ b/configs/evb-rk3399_defconfig @@ -66,3 +66,9 @@ CONFIG_PMIC_CHILDREN=y CONFIG_SPL_PMIC_CHILDREN=y CONFIG_PMIC_RK808=y CONFIG_REGULATOR_RK808=y +CONFIG_DM_VIDEO=y +CONFIG_DM_PWM=y +CONFIG_PWM_ROCKCHIP=y +CONFIG_DISPLAY=y +CONFIG_VIDEO_ROCKCHIP=y +CONFIG_DISPLAY_ROCKCHIP_MIPI=y