Make adjustments to the rv1108 clock driver in order to align it with the internal Rockchip version.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---

Changes in v3: None Changes in v2: None

.../include/asm/arch-rockchip/cru_rv1108.h | 143 +++++- drivers/clk/rockchip/clk_rv1108.c | 457 +++++++++++++++++- include/dt-bindings/clock/rv1108-cru.h | 154 ++++-- 3 files changed, 706 insertions(+), 48 deletions(-)

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rv1108.h b/arch/arm/include/asm/arch-rockchip/cru_rv1108.h index 3cc2ed0187..4ce8caa40f 100644 --- a/arch/arm/include/asm/arch-rockchip/cru_rv1108.h +++ b/arch/arm/include/asm/arch-rockchip/cru_rv1108.h @@ -11,7 +11,11 @@ #define OSC_HZ (24 * 1000 * 1000)

#define APLL_HZ (600 * 1000000) -#define GPLL_HZ (594 * 1000000) +#define GPLL_HZ (1188 * 1000000) +#define ACLK_PERI_HZ (148500000) +#define HCLK_PERI_HZ (148500000) +#define PCLK_PERI_HZ (74250000) +#define ACLK_BUS_HZ (148500000)

struct rv1108_clk_priv { struct rv1108_cru *cru; @@ -80,6 +84,11 @@ enum { WORK_MODE_NORMAL = 1, DSMPD_SHIFT = 3, DSMPD_MASK = 1 << DSMPD_SHIFT, + INTEGER_MODE = 1, + GLOBAL_POWER_DOWN_SHIFT = 0, + GLOBAL_POWER_DOWN_MASK = 1 << GLOBAL_POWER_DOWN_SHIFT, + GLOBAL_POWER_DOWN = 1, + GLOBAL_POWER_UP = 0,

/* CLKSEL0_CON */ CORE_PLL_SEL_SHIFT = 8, @@ -90,11 +99,77 @@ enum { CORE_CLK_DIV_SHIFT = 0, CORE_CLK_DIV_MASK = 0x1f << CORE_CLK_DIV_SHIFT,

+ /* CLKSEL_CON1 */ + PCLK_DBG_DIV_CON_SHIFT = 4, + PCLK_DBG_DIV_CON_MASK = 0xf << PCLK_DBG_DIV_CON_SHIFT, + ACLK_CORE_DIV_CON_SHIFT = 0, + ACLK_CORE_DIV_CON_MASK = 7 << ACLK_CORE_DIV_CON_SHIFT, + + /* CLKSEL_CON2 */ + ACLK_BUS_PLL_SEL_SHIFT = 8, + ACLK_BUS_PLL_SEL_MASK = 3 << ACLK_BUS_PLL_SEL_SHIFT, + ACLK_BUS_PLL_SEL_GPLL = 0, + ACLK_BUS_PLL_SEL_APLL = 1, + ACLK_BUS_PLL_SEL_DPLL = 2, + ACLK_BUS_DIV_CON_SHIFT = 0, + ACLK_BUS_DIV_CON_MASK = 0x1f << ACLK_BUS_DIV_CON_SHIFT, + ACLK_BUS_DIV_CON_WIDTH = 5, + + /* CLKSEL_CON3 */ + PCLK_BUS_DIV_CON_SHIFT = 8, + PCLK_BUS_DIV_CON_MASK = 0x1f << PCLK_BUS_DIV_CON_SHIFT, + HCLK_BUS_DIV_CON_SHIFT = 0, + HCLK_BUS_DIV_CON_MASK = 0x1f, + + /* CLKSEL_CON4 */ + CLK_DDR_PLL_SEL_SHIFT = 8, + CLK_DDR_PLL_SEL_MASK = 0x3 << CLK_DDR_PLL_SEL_SHIFT, + CLK_DDR_DIV_CON_SHIFT = 0, + CLK_DDR_DIV_CON_MASK = 0x3 << CLK_DDR_DIV_CON_SHIFT, + + /* CLKSEL_CON19 */ + CLK_I2C1_PLL_SEL_SHIFT = 15, + CLK_I2C1_PLL_SEL_MASK = 1 << CLK_I2C1_PLL_SEL_SHIFT, + CLK_I2C1_PLL_SEL_DPLL = 0, + CLK_I2C1_PLL_SEL_GPLL = 1, + CLK_I2C1_DIV_CON_SHIFT = 8, + CLK_I2C1_DIV_CON_MASK = 0x7f << CLK_I2C1_DIV_CON_SHIFT, + CLK_I2C0_PLL_SEL_SHIFT = 7, + CLK_I2C0_PLL_SEL_MASK = 1 << CLK_I2C0_PLL_SEL_SHIFT, + CLK_I2C0_DIV_CON_SHIFT = 0, + CLK_I2C0_DIV_CON_MASK = 0x7f, + I2C_DIV_CON_WIDTH = 7, + + /* CLKSEL_CON20 */ + CLK_I2C3_PLL_SEL_SHIFT = 15, + CLK_I2C3_PLL_SEL_MASK = 1 << CLK_I2C3_PLL_SEL_SHIFT, + CLK_I2C3_PLL_SEL_DPLL = 0, + CLK_I2C3_PLL_SEL_GPLL = 1, + CLK_I2C3_DIV_CON_SHIFT = 8, + CLK_I2C3_DIV_CON_MASK = 0x7f << CLK_I2C3_DIV_CON_SHIFT, + CLK_I2C2_PLL_SEL_SHIFT = 7, + CLK_I2C2_PLL_SEL_MASK = 1 << CLK_I2C2_PLL_SEL_SHIFT, + CLK_I2C2_DIV_CON_SHIFT = 0, + CLK_I2C2_DIV_CON_MASK = 0x7f, + /* CLKSEL_CON22 */ CLK_SARADC_DIV_CON_SHIFT= 0, CLK_SARADC_DIV_CON_MASK = GENMASK(9, 0), CLK_SARADC_DIV_CON_WIDTH= 10,

+ /* CLKSEL_CON23 */ + ACLK_PERI_PLL_SEL_SHIFT = 15, + ACLK_PERI_PLL_SEL_MASK = 1 << ACLK_PERI_PLL_SEL_SHIFT, + ACLK_PERI_PLL_SEL_GPLL = 0, + ACLK_PERI_PLL_SEL_DPLL = 1, + PCLK_PERI_DIV_CON_SHIFT = 10, + PCLK_PERI_DIV_CON_MASK = 0x1f << PCLK_PERI_DIV_CON_SHIFT, + HCLK_PERI_DIV_CON_SHIFT = 5, + HCLK_PERI_DIV_CON_MASK = 0x1f << HCLK_PERI_DIV_CON_SHIFT, + ACLK_PERI_DIV_CON_SHIFT = 0, + ACLK_PERI_DIV_CON_MASK = 0x1f, + PERI_DIV_CON_WIDTH = 5, + /* CLKSEL24_CON */ MAC_PLL_SEL_SHIFT = 12, MAC_PLL_SEL_MASK = 1 << MAC_PLL_SEL_SHIFT, @@ -105,6 +180,16 @@ enum { MAC_CLK_DIV_MASK = 0x1f, MAC_CLK_DIV_SHIFT = 0,

+ /* CLKSEL25_CON */ + EMMC_PLL_SEL_SHIFT = 12, + EMMC_PLL_SEL_MASK = 3 << EMMC_PLL_SEL_SHIFT, + EMMC_PLL_SEL_DPLL = 0, + EMMC_PLL_SEL_GPLL, + + /* CLKSEL26_CON */ + EMMC_CLK_DIV_SHIFT = 8, + EMMC_CLK_DIV_MASK = 0xff << EMMC_CLK_DIV_SHIFT, + /* CLKSEL27_CON */ SFC_PLL_SEL_SHIFT = 7, SFC_PLL_SEL_MASK = 1 << SFC_PLL_SEL_SHIFT, @@ -112,5 +197,61 @@ enum { SFC_PLL_SEL_GPLL = 1, SFC_CLK_DIV_SHIFT = 0, SFC_CLK_DIV_MASK = 0x3f << SFC_CLK_DIV_SHIFT, + + /* CLKSEL28_CON */ + ACLK_VIO1_PLL_SEL_SHIFT = 14, + ACLK_VIO1_PLL_SEL_MASK = 3 << ACLK_VIO1_PLL_SEL_SHIFT, + VIO_PLL_SEL_DPLL = 0, + VIO_PLL_SEL_GPLL = 1, + ACLK_VIO1_CLK_DIV_SHIFT = 8, + ACLK_VIO1_CLK_DIV_MASK = 0x1f << ACLK_VIO1_CLK_DIV_SHIFT, + CLK_VIO_DIV_CON_WIDTH = 5, + ACLK_VIO0_PLL_SEL_SHIFT = 6, + ACLK_VIO0_PLL_SEL_MASK = 3 << ACLK_VIO0_PLL_SEL_SHIFT, + ACLK_VIO0_CLK_DIV_SHIFT = 0, + ACLK_VIO0_CLK_DIV_MASK = 0x1f << ACLK_VIO0_CLK_DIV_SHIFT, + + /* CLKSEL29_CON */ + PCLK_VIO_CLK_DIV_SHIFT = 8, + PCLK_VIO_CLK_DIV_MASK = 0x1f << PCLK_VIO_CLK_DIV_SHIFT, + HCLK_VIO_CLK_DIV_SHIFT = 0, + HCLK_VIO_CLK_DIV_MASK = 0x1f << HCLK_VIO_CLK_DIV_SHIFT, + + /* CLKSEL32_CON */ + DCLK_VOP_SEL_SHIFT = 7, + DCLK_VOP_SEL_MASK = 1 << DCLK_VOP_SEL_SHIFT, + DCLK_VOP_SEL_HDMI = 0, + DCLK_VOP_SEL_PLL = 1, + DCLK_VOP_PLL_SEL_SHIFT = 6, + DCLK_VOP_PLL_SEL_MASK = 1 << DCLK_VOP_PLL_SEL_SHIFT, + DCLK_VOP_PLL_SEL_GPLL = 0, + DCLK_VOP_PLL_SEL_DPLL = 1, + DCLK_VOP_CLK_DIV_SHIFT = 0, + DCLK_VOP_CLK_DIV_MASK = 0x3f << DCLK_VOP_CLK_DIV_SHIFT, + DCLK_VOP_DIV_CON_WIDTH = 6, + + /* SOFTRST1_CON*/ + DDRPHY_SRSTN_CLKDIV_REQ_SHIFT = 0, + DDRPHY_SRSTN_CLKDIV_REQ = 1, + DDRPHY_SRSTN_CLKDIV_DIS = 0, + DDRPHY_SRSTN_CLKDIV_REQ_MASK = 1 << DDRPHY_SRSTN_CLKDIV_REQ_SHIFT, + DDRPHY_SRSTN_REQ_SHIFT = 1, + DDRPHY_SRSTN_REQ = 1, + DDRPHY_SRSTN_DIS = 0, + DDRPHY_SRSTN_REQ_MASK = 1 << DDRPHY_SRSTN_REQ_SHIFT, + DDRPHY_PSRSTN_REQ_SHIFT = 2, + DDRPHY_PSRSTN_REQ = 1, + DDRPHY_PSRSTN_DIS = 0, + DDRPHY_PSRSTN_REQ_MASK = 1 << DDRPHY_PSRSTN_REQ_SHIFT, + + /* SOFTRST2_CON*/ + DDRUPCTL_PSRSTN_REQ_SHIFT = 0, + DDRUPCTL_PSRSTN_REQ = 1, + DDRUPCTL_PSRSTN_DIS = 0, + DDRUPCTL_PSRSTN_REQ_MASK = 1 << DDRUPCTL_PSRSTN_REQ_SHIFT, + DDRUPCTL_NSRSTN_REQ_SHIFT = 1, + DDRUPCTL_NSRSTN_REQ = 1, + DDRUPCTL_NSRSTN_DIS = 0, + DDRUPCTL_NSRSTN_REQ_MASK = 1 << DDRUPCTL_NSRSTN_REQ_SHIFT, }; #endif diff --git a/drivers/clk/rockchip/clk_rv1108.c b/drivers/clk/rockchip/clk_rv1108.c index 1f9f534b28..3603568ee7 100644 --- a/drivers/clk/rockchip/clk_rv1108.c +++ b/drivers/clk/rockchip/clk_rv1108.c @@ -35,6 +35,9 @@ enum { #hz "Hz cannot be hit with PLL "\ "divisors on line " __stringify(__LINE__));

+static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 3, 1); +static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1); + /* use integer mode */ static inline int rv1108_pll_id(enum rk_clk_id clk_id) { @@ -57,6 +60,58 @@ static inline int rv1108_pll_id(enum rk_clk_id clk_id) return id; }

+static int rkclk_set_pll(struct rv1108_cru *cru, enum rk_clk_id clk_id, + const struct pll_div *div) +{ + int pll_id = rv1108_pll_id(clk_id); + struct rv1108_pll *pll = &cru->pll[pll_id]; + + /* All PLLs have same VCO and output frequency range restrictions. */ + uint vco_hz = OSC_HZ / 1000 * div->fbdiv / div->refdiv * 1000; + uint output_hz = vco_hz / div->postdiv1 / div->postdiv2; + + debug("PLL at %p: fb=%d, ref=%d, pst1=%d, pst2=%d, vco=%u Hz, output=%u Hz\n", + pll, div->fbdiv, div->refdiv, div->postdiv1, + div->postdiv2, vco_hz, output_hz); + assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ && + output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ); + + /* + * When power on or changing PLL setting, + * we must force PLL into slow mode to ensure output stable clock. + */ + rk_clrsetreg(&pll->con3, WORK_MODE_MASK, + WORK_MODE_SLOW << WORK_MODE_SHIFT); + + /* use integer mode */ + rk_setreg(&pll->con3, 1 << DSMPD_SHIFT); + /* Power down */ + rk_setreg(&pll->con3, 1 << GLOBAL_POWER_DOWN_SHIFT); + + rk_clrsetreg(&pll->con0, FBDIV_MASK, div->fbdiv << FBDIV_SHIFT); + rk_clrsetreg(&pll->con1, POSTDIV1_MASK | POSTDIV2_MASK | REFDIV_MASK, + (div->postdiv1 << POSTDIV1_SHIFT | + div->postdiv2 << POSTDIV2_SHIFT | + div->refdiv << REFDIV_SHIFT)); + rk_clrsetreg(&pll->con2, FRACDIV_MASK, + (div->refdiv << REFDIV_SHIFT)); + + /* Power Up */ + rk_clrreg(&pll->con3, 1 << GLOBAL_POWER_DOWN_SHIFT); + + /* waiting for pll lock */ + while (readl(&pll->con2) & (1 << LOCK_STA_SHIFT)) + udelay(1); + + /* + * set PLL into normal mode. + */ + rk_clrsetreg(&pll->con3, WORK_MODE_MASK, + WORK_MODE_NORMAL << WORK_MODE_SHIFT); + + return 0; +} + static uint32_t rkclk_pll_get_rate(struct rv1108_cru *cru, enum rk_clk_id clk_id) { @@ -74,7 +129,7 @@ static uint32_t rkclk_pll_get_rate(struct rv1108_cru *cru, fbdiv = (con0 >> FBDIV_SHIFT) & FBDIV_MASK; postdiv1 = (con1 & POSTDIV1_MASK) >> POSTDIV1_SHIFT; postdiv2 = (con1 & POSTDIV2_MASK) >> POSTDIV2_SHIFT; - refdiv = (con1 & REFDIV_MASK) >> REFDIV_SHIFT; + refdiv = (con1 >> REFDIV_SHIFT) & REFDIV_MASK; freq = (24 * fbdiv / (refdiv * postdiv1 * postdiv2)) * 1000000; } else { freq = OSC_HZ; @@ -154,6 +209,322 @@ static ulong rv1108_saradc_set_clk(struct rv1108_cru *cru, uint hz) return rv1108_saradc_get_clk(cru); }

+static ulong rv1108_aclk_vio1_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + + val = readl(&cru->clksel_con[28]); + div = bitfield_extract(val, ACLK_VIO1_CLK_DIV_SHIFT, + CLK_VIO_DIV_CON_WIDTH); + + return DIV_TO_RATE(GPLL_HZ, div); +} + +static ulong rv1108_aclk_vio1_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + + src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[28], + ACLK_VIO1_CLK_DIV_MASK | ACLK_VIO1_PLL_SEL_MASK, + (src_clk_div << ACLK_VIO1_CLK_DIV_SHIFT) | + (VIO_PLL_SEL_GPLL << ACLK_VIO1_PLL_SEL_SHIFT)); + + return rv1108_aclk_vio1_get_clk(cru); +} + +static ulong rv1108_aclk_vio0_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + + val = readl(&cru->clksel_con[28]); + div = bitfield_extract(val, ACLK_VIO0_CLK_DIV_SHIFT, + CLK_VIO_DIV_CON_WIDTH); + + return DIV_TO_RATE(GPLL_HZ, div); +} + +static ulong rv1108_aclk_vio0_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + + src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[28], + ACLK_VIO0_CLK_DIV_MASK | ACLK_VIO0_PLL_SEL_MASK, + (src_clk_div << ACLK_VIO0_CLK_DIV_SHIFT) | + (VIO_PLL_SEL_GPLL << ACLK_VIO0_PLL_SEL_SHIFT)); + + /*HCLK_VIO default div = 4*/ + rk_clrsetreg(&cru->clksel_con[29], + HCLK_VIO_CLK_DIV_MASK, + 3 << HCLK_VIO_CLK_DIV_SHIFT); + /*PCLK_VIO default div = 4*/ + rk_clrsetreg(&cru->clksel_con[29], + PCLK_VIO_CLK_DIV_MASK, + 3 << PCLK_VIO_CLK_DIV_SHIFT); + + return rv1108_aclk_vio0_get_clk(cru); +} + +static ulong rv1108_dclk_vop_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + + val = readl(&cru->clksel_con[32]); + div = bitfield_extract(val, DCLK_VOP_CLK_DIV_SHIFT, + DCLK_VOP_DIV_CON_WIDTH); + + return DIV_TO_RATE(GPLL_HZ, div); +} + +static ulong rv1108_dclk_vop_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + + src_clk_div = DIV_ROUND_UP(GPLL_HZ, hz) - 1; + assert(src_clk_div < 64); + + rk_clrsetreg(&cru->clksel_con[32], + DCLK_VOP_CLK_DIV_MASK | DCLK_VOP_PLL_SEL_MASK | + DCLK_VOP_SEL_SHIFT, + (src_clk_div << DCLK_VOP_CLK_DIV_SHIFT) | + (DCLK_VOP_PLL_SEL_GPLL << DCLK_VOP_PLL_SEL_SHIFT) | + (DCLK_VOP_SEL_PLL << DCLK_VOP_SEL_SHIFT)); + + return rv1108_dclk_vop_get_clk(cru); +} + +static ulong rv1108_aclk_bus_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + val = readl(&cru->clksel_con[2]); + div = bitfield_extract(val, ACLK_BUS_DIV_CON_SHIFT, + ACLK_BUS_DIV_CON_WIDTH); + + return DIV_TO_RATE(parent_rate, div); +} + +static ulong rv1108_aclk_bus_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + src_clk_div = DIV_ROUND_UP(parent_rate, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[2], + ACLK_BUS_DIV_CON_MASK | ACLK_BUS_PLL_SEL_MASK, + (src_clk_div << ACLK_BUS_DIV_CON_SHIFT) | + (ACLK_BUS_PLL_SEL_GPLL << ACLK_BUS_PLL_SEL_SHIFT)); + + return rv1108_aclk_bus_get_clk(cru); +} + +static ulong rv1108_aclk_peri_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + val = readl(&cru->clksel_con[23]); + div = bitfield_extract(val, ACLK_PERI_DIV_CON_SHIFT, + PERI_DIV_CON_WIDTH); + + return DIV_TO_RATE(parent_rate, div); +} + +static ulong rv1108_hclk_peri_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + val = readl(&cru->clksel_con[23]); + div = bitfield_extract(val, HCLK_PERI_DIV_CON_SHIFT, + PERI_DIV_CON_WIDTH); + + return DIV_TO_RATE(parent_rate, div); +} + +static ulong rv1108_pclk_peri_get_clk(struct rv1108_cru *cru) +{ + u32 div, val; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + val = readl(&cru->clksel_con[23]); + div = bitfield_extract(val, PCLK_PERI_DIV_CON_SHIFT, + PERI_DIV_CON_WIDTH); + + return DIV_TO_RATE(parent_rate, div); +} + +static ulong rv1108_aclk_peri_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + src_clk_div = DIV_ROUND_UP(parent_rate, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[23], + ACLK_PERI_DIV_CON_MASK | ACLK_PERI_PLL_SEL_MASK, + (src_clk_div << ACLK_PERI_DIV_CON_SHIFT) | + (ACLK_PERI_PLL_SEL_GPLL << ACLK_PERI_PLL_SEL_SHIFT)); + + return rv1108_aclk_peri_get_clk(cru); +} + +static ulong rv1108_hclk_peri_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + src_clk_div = DIV_ROUND_UP(parent_rate, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[23], + HCLK_PERI_DIV_CON_MASK, + (src_clk_div << HCLK_PERI_DIV_CON_SHIFT)); + + return rv1108_hclk_peri_get_clk(cru); +} + +static ulong rv1108_pclk_peri_set_clk(struct rv1108_cru *cru, uint hz) +{ + int src_clk_div; + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + src_clk_div = DIV_ROUND_UP(parent_rate, hz) - 1; + assert(src_clk_div < 32); + + rk_clrsetreg(&cru->clksel_con[23], + PCLK_PERI_DIV_CON_MASK, + (src_clk_div << PCLK_PERI_DIV_CON_SHIFT)); + + return rv1108_pclk_peri_get_clk(cru); +} + +static ulong rv1108_i2c_get_clk(struct rv1108_cru *cru, ulong clk_id) +{ + u32 div, con; + + switch (clk_id) { + case SCLK_I2C0_PMU: + con = readl(&cru->clksel_con[19]); + div = bitfield_extract(con, CLK_I2C0_DIV_CON_SHIFT, + I2C_DIV_CON_WIDTH); + break; + case SCLK_I2C1: + con = readl(&cru->clksel_con[19]); + div = bitfield_extract(con, CLK_I2C1_DIV_CON_SHIFT, + I2C_DIV_CON_WIDTH); + break; + case SCLK_I2C2: + con = readl(&cru->clksel_con[20]); + div = bitfield_extract(con, CLK_I2C2_DIV_CON_SHIFT, + I2C_DIV_CON_WIDTH); + break; + case SCLK_I2C3: + con = readl(&cru->clksel_con[20]); + div = bitfield_extract(con, CLK_I2C3_DIV_CON_SHIFT, + I2C_DIV_CON_WIDTH); + break; + default: + printf("do not support this i2c bus\n"); + return -EINVAL; + } + + return DIV_TO_RATE(GPLL_HZ, div); +} + +static ulong rv1108_i2c_set_clk(struct rv1108_cru *cru, ulong clk_id, uint hz) +{ + int src_clk_div; + + /* i2c0,4,8 src clock from ppll, i2c1,2,3,5,6,7 src clock from gpll*/ + src_clk_div = GPLL_HZ / hz; + assert(src_clk_div - 1 <= 127); + + switch (clk_id) { + case SCLK_I2C0_PMU: + rk_clrsetreg(&cru->clksel_con[19], + CLK_I2C0_DIV_CON_MASK | CLK_I2C1_PLL_SEL_MASK, + (src_clk_div << CLK_I2C0_DIV_CON_SHIFT) | + (CLK_I2C1_PLL_SEL_GPLL << CLK_I2C1_PLL_SEL_SHIFT)); + break; + case SCLK_I2C1: + rk_clrsetreg(&cru->clksel_con[19], + CLK_I2C1_DIV_CON_MASK | CLK_I2C1_PLL_SEL_MASK, + (src_clk_div << CLK_I2C1_DIV_CON_SHIFT) | + (CLK_I2C1_PLL_SEL_GPLL << CLK_I2C1_PLL_SEL_SHIFT)); + break; + case SCLK_I2C2: + rk_clrsetreg(&cru->clksel_con[20], + CLK_I2C2_DIV_CON_MASK | CLK_I2C3_PLL_SEL_MASK, + (src_clk_div << CLK_I2C2_DIV_CON_SHIFT) | + (CLK_I2C3_PLL_SEL_GPLL << CLK_I2C3_PLL_SEL_SHIFT)); + break; + case SCLK_I2C3: + rk_clrsetreg(&cru->clksel_con[20], + CLK_I2C3_DIV_CON_MASK | CLK_I2C3_PLL_SEL_MASK, + (src_clk_div << CLK_I2C3_DIV_CON_SHIFT) | + (CLK_I2C3_PLL_SEL_GPLL << CLK_I2C3_PLL_SEL_SHIFT)); + break; + default: + printf("do not support this i2c bus\n"); + return -EINVAL; + } + + return rv1108_i2c_get_clk(cru, clk_id); +} + +static ulong rv1108_mmc_get_clk(struct clk *clk) +{ + struct rv1108_clk_priv *priv = dev_get_priv(clk->dev); + struct rv1108_cru *cru = priv->cru; + u32 div, con; + + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + + con = readl(&cru->clksel_con[26]); + div = (con & EMMC_CLK_DIV_MASK) >> EMMC_CLK_DIV_SHIFT; + + + debug("%s id %ld get_clk %ld\n", __func__, clk->id, DIV_TO_RATE(parent_rate, div)); + + return DIV_TO_RATE(parent_rate, div); + +} + +static ulong rv1108_mmc_set_clk(struct clk *clk, ulong set_rate) +{ + struct rv1108_clk_priv *priv = dev_get_priv(clk->dev); + struct rv1108_cru *cru = priv->cru; + int src_clk_div; + + ulong parent_rate = rkclk_pll_get_rate(cru, CLK_GENERAL); + src_clk_div = DIV_ROUND_UP(parent_rate, set_rate); + + if (src_clk_div > 127) { + src_clk_div = DIV_ROUND_UP(OSC_HZ / 2, set_rate); + } + + debug("%s id %ld src_clk_div %d\n", __func__, clk->id, src_clk_div); + + rk_clrsetreg(&cru->clksel_con[26], + EMMC_CLK_DIV_MASK , (src_clk_div -1) << EMMC_CLK_DIV_SHIFT); + + rk_clrsetreg(&cru->clksel_con[25], + EMMC_PLL_SEL_MASK , EMMC_PLL_SEL_GPLL << EMMC_PLL_SEL_SHIFT); + + return rv1108_mmc_get_clk(clk); +} + + static ulong rv1108_clk_get_rate(struct clk *clk) { struct rv1108_clk_priv *priv = dev_get_priv(clk->dev); @@ -163,6 +534,31 @@ static ulong rv1108_clk_get_rate(struct clk *clk) return rkclk_pll_get_rate(priv->cru, clk->id); case SCLK_SARADC: return rv1108_saradc_get_clk(priv->cru); + case ACLK_VIO0: + return rv1108_aclk_vio0_get_clk(priv->cru); + case ACLK_VIO1: + return rv1108_aclk_vio1_get_clk(priv->cru); + case DCLK_VOP: + return rv1108_dclk_vop_get_clk(priv->cru); + case ACLK_PRE: + return rv1108_aclk_bus_get_clk(priv->cru); + case ACLK_PERI: + return rv1108_aclk_peri_get_clk(priv->cru); + case HCLK_PERI: + return rv1108_hclk_peri_get_clk(priv->cru); + case PCLK_PERI: + return rv1108_pclk_peri_get_clk(priv->cru); + case SCLK_I2C0_PMU: + case SCLK_I2C1: + case SCLK_I2C2: + case SCLK_I2C3: + return rv1108_i2c_get_clk(priv->cru, clk->id); + case HCLK_SDMMC: + case HCLK_EMMC: + case SCLK_SDMMC: + case SCLK_EMMC: + case SCLK_EMMC_SAMPLE: + return rv1108_mmc_get_clk(clk); default: return -ENOENT; } @@ -183,6 +579,39 @@ static ulong rv1108_clk_set_rate(struct clk *clk, ulong rate) case SCLK_SARADC: new_rate = rv1108_saradc_set_clk(priv->cru, rate); break; + case ACLK_VIO0: + new_rate = rv1108_aclk_vio0_set_clk(priv->cru, rate); + break; + case ACLK_VIO1: + new_rate = rv1108_aclk_vio1_set_clk(priv->cru, rate); + break; + case DCLK_VOP: + new_rate = rv1108_dclk_vop_set_clk(priv->cru, rate); + break; + case ACLK_PRE: + new_rate = rv1108_aclk_bus_set_clk(priv->cru, rate); + break; + case ACLK_PERI: + new_rate = rv1108_aclk_peri_set_clk(priv->cru, rate); + break; + case HCLK_PERI: + new_rate = rv1108_hclk_peri_set_clk(priv->cru, rate); + break; + case PCLK_PERI: + new_rate = rv1108_pclk_peri_set_clk(priv->cru, rate); + break; + case SCLK_I2C0_PMU: + case SCLK_I2C1: + case SCLK_I2C2: + case SCLK_I2C3: + new_rate = rv1108_i2c_set_clk(priv->cru, clk->id, rate); + break; + case HCLK_SDMMC: + case HCLK_EMMC: + case SCLK_SDMMC: + case SCLK_EMMC: + new_rate = rv1108_mmc_set_clk(clk, rate); + break; default: return -ENOENT; } @@ -197,14 +626,34 @@ static const struct clk_ops rv1108_clk_ops = {

static void rkclk_init(struct rv1108_cru *cru) { - unsigned int apll = rkclk_pll_get_rate(cru, CLK_ARM); - unsigned int dpll = rkclk_pll_get_rate(cru, CLK_DDR); - unsigned int gpll = rkclk_pll_get_rate(cru, CLK_GENERAL); + unsigned int apll, dpll, gpll; + unsigned int aclk_bus, aclk_peri, hclk_peri, pclk_peri; + + aclk_bus = rv1108_aclk_bus_set_clk(cru, ACLK_BUS_HZ / 2); + aclk_peri = rv1108_aclk_peri_set_clk(cru, ACLK_PERI_HZ / 2); + hclk_peri = rv1108_hclk_peri_set_clk(cru, HCLK_PERI_HZ / 2); + pclk_peri = rv1108_pclk_peri_set_clk(cru, PCLK_PERI_HZ / 2); + rv1108_aclk_vio0_set_clk(cru, 297000000); + rv1108_aclk_vio1_set_clk(cru, 297000000); + + /* configure apll */ + rkclk_set_pll(cru, CLK_ARM, &apll_init_cfg); + rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg); + aclk_bus = rv1108_aclk_bus_set_clk(cru, ACLK_BUS_HZ); + aclk_peri = rv1108_aclk_peri_set_clk(cru, ACLK_PERI_HZ); + hclk_peri = rv1108_hclk_peri_set_clk(cru, HCLK_PERI_HZ); + pclk_peri = rv1108_pclk_peri_set_clk(cru, PCLK_PERI_HZ); + + apll = rkclk_pll_get_rate(cru, CLK_ARM); + dpll = rkclk_pll_get_rate(cru, CLK_DDR); + gpll = rkclk_pll_get_rate(cru, CLK_GENERAL);

rk_clrsetreg(&cru->clksel_con[0], CORE_CLK_DIV_MASK, 0 << MAC_CLK_DIV_SHIFT);

printf("APLL: %d DPLL:%d GPLL:%d\n", apll, dpll, gpll); + printf("ACLK_BUS: %d ACLK_PERI:%d HCLK_PERI:%d PCLK_PERI:%d\n", + aclk_bus, aclk_peri, hclk_peri, pclk_peri); }

static int rv1108_clk_ofdata_to_platdata(struct udevice *dev) diff --git a/include/dt-bindings/clock/rv1108-cru.h b/include/dt-bindings/clock/rv1108-cru.h index 9219a50a24..04e0a59f4b 100644 --- a/include/dt-bindings/clock/rv1108-cru.h +++ b/include/dt-bindings/clock/rv1108-cru.h @@ -14,7 +14,6 @@ #define ARMCLK 3

/* sclk gates (special clocks) */ -#define SCLK_MAC 64 #define SCLK_SPI0 65 #define SCLK_NANDC 67 #define SCLK_SDMMC 68 @@ -35,20 +34,77 @@ #define SCLK_SDMMC_SAMPLE 84 #define SCLK_SDIO_SAMPLE 85 #define SCLK_EMMC_SAMPLE 86 -#define SCLK_MAC_RX 87 -#define SCLK_MAC_TX 88 -#define SCLK_MACREF 89 -#define SCLK_MACREF_OUT 90 -#define SCLK_SARADC 91 +#define SCLK_VENC_CORE 87 +#define SCLK_HEVC_CORE 88 +#define SCLK_HEVC_CABAC 89 +#define SCLK_PWM0_PMU 90 +#define SCLK_I2C0_PMU 91 +#define SCLK_WIFI 92 +#define SCLK_CIFOUT 93 +#define SCLK_MIPI_CSI_OUT 94 +#define SCLK_CIF0 95 +#define SCLK_CIF1 96 +#define SCLK_CIF2 97 +#define SCLK_CIF3 98 +#define SCLK_DSP 99 +#define SCLK_DSP_IOP 100 +#define SCLK_DSP_EPP 101 +#define SCLK_DSP_EDP 102 +#define SCLK_DSP_EDAP 103 +#define SCLK_CVBS_HOST 104 +#define SCLK_HDMI_SFR 105 +#define SCLK_HDMI_CEC 106 +#define SCLK_CRYPTO 107 +#define SCLK_SPI 108 +#define SCLK_SARADC 109 +#define SCLK_TSADC 110 +#define SCLK_MAC_PRE 111 +#define SCLK_MAC 112 +#define SCLK_MAC_RX 113 +#define SCLK_MAC_REF 114 +#define SCLK_MAC_REFOUT 115 +#define SCLK_DSP_PFM 116 +#define SCLK_RGA 117 +#define SCLK_I2C1 118 +#define SCLK_I2C2 119 +#define SCLK_I2C3 120 +#define SCLK_PWM 121 +#define SCLK_ISP 122 +#define SCLK_USBPHY 123 +#define SCLK_I2S0_SRC 124 +#define SCLK_I2S1_SRC 125 +#define SCLK_I2S2_SRC 126 +#define SCLK_UART0_SRC 127 +#define SCLK_UART1_SRC 128 +#define SCLK_UART2_SRC 129 +#define SCLK_MAC_TX 130 +#define SCLK_MACREF 131 +#define SCLK_MACREF_OUT 132

+#define DCLK_VOP_SRC 185 +#define DCLK_HDMIPHY 186 +#define DCLK_VOP 187

/* aclk gates */ #define ACLK_DMAC 192 #define ACLK_PRE 193 #define ACLK_CORE 194 #define ACLK_ENMCORE 195 -#define ACLK_GMAC 196 - +#define ACLK_RKVENC 196 +#define ACLK_RKVDEC 197 +#define ACLK_VPU 198 +#define ACLK_CIF0 199 +#define ACLK_VIO0 200 +#define ACLK_VIO1 201 +#define ACLK_VOP 202 +#define ACLK_IEP 203 +#define ACLK_RGA 204 +#define ACLK_ISP 205 +#define ACLK_CIF1 206 +#define ACLK_CIF2 207 +#define ACLK_CIF3 208 +#define ACLK_PERI 209 +#define ACLK_GMAC 210

/* pclk gates */ #define PCLK_GPIO1 256 @@ -67,12 +123,24 @@ #define PCLK_PWM 269 #define PCLK_TIMER 270 #define PCLK_PERI 271 -#define PCLK_GMAC 272 -#define PCLK_SARADC 273 +#define PCLK_GPIO0_PMU 272 +#define PCLK_I2C0_PMU 273 +#define PCLK_PWM0_PMU 274 +#define PCLK_ISP 275 +#define PCLK_VIO 276 +#define PCLK_MIPI_DSI 277 +#define PCLK_HDMI_CTRL 278 +#define PCLK_SARADC 279 +#define PCLK_DSP_CFG 280 +#define PCLK_BUS 281 +#define PCLK_EFUSE0 282 +#define PCLK_EFUSE1 283 +#define PCLK_WDT 284 +#define PCLK_GMAC 285

/* hclk gates */ #define HCLK_I2S0_8CH 320 -#define HCLK_I2S1_8CH 321 +#define HCLK_I2S1_2CH 321 #define HCLK_I2S2_2CH 322 #define HCLK_NANDC 323 #define HCLK_SDMMC 324 @@ -80,20 +148,37 @@ #define HCLK_EMMC 326 #define HCLK_PERI 327 #define HCLK_SFC 328 +#define HCLK_RKVENC 329 +#define HCLK_RKVDEC 330 +#define HCLK_CIF0 331 +#define HCLK_VIO 332 +#define HCLK_VOP 333 +#define HCLK_IEP 334 +#define HCLK_RGA 335 +#define HCLK_ISP 336 +#define HCLK_CRYPTO_MST 337 +#define HCLK_CRYPTO_SLV 338 +#define HCLK_HOST0 339 +#define HCLK_OTG 340 +#define HCLK_CIF1 341 +#define HCLK_CIF2 342 +#define HCLK_CIF3 343 +#define HCLK_BUS 344 +#define HCLK_VPU 345

-#define CLK_NR_CLKS (HCLK_SFC + 1) +#define CLK_NR_CLKS (HCLK_VPU + 1)

/* reset id */ -#define SRST_CORE_PO_AD 0 +#define SRST_CORE_PO_AD 0 #define SRST_CORE_AD 1 #define SRST_L2_AD 2 -#define SRST_CPU_NIU_AD 3 +#define SRST_CPU_NIU_AD 3 #define SRST_CORE_PO 4 #define SRST_CORE 5 -#define SRST_L2 6 +#define SRST_L2 6 #define SRST_CORE_DBG 8 #define PRST_DBG 9 -#define RST_DAP 10 +#define RST_DAP 10 #define PRST_DBG_NIU 11 #define ARST_STRC_SYS_AD 15

@@ -160,9 +245,9 @@ #define HRST_SYSBUS 75 #define PRST_USBGRF 76

-#define ARST_PERIPH_NIU 80 -#define HRST_PERIPH_NIU 81 -#define PRST_PERIPH_NIU 82 +#define ARST_PERIPH_NIU 80 +#define HRST_PERIPH_NIU 81 +#define PRST_PERIPH_NIU 82 #define HRST_PERIPH 83 #define HRST_SDMMC 84 #define HRST_SDIO 85 @@ -180,28 +265,11 @@ #define HRST_HOST0_AUX 96 #define HRST_HOST0_ARB 97 #define SRST_HOST0_EHCIPHY 98 -#define SRST_HOST0_UTMI 99 +#define SRST_HOST0_UTMI 99 #define SRST_USBPOR 100 #define SRST_UTMI0 101 #define SRST_UTMI1 102

-#define ARST_VIO0_NIU 102 -#define ARST_VIO1_NIU 103 -#define HRST_VIO_NIU 104 -#define PRST_VIO_NIU 105 -#define ARST_VOP 106 -#define HRST_VOP 107 -#define DRST_VOP 108 -#define ARST_IEP 109 -#define HRST_IEP 110 -#define ARST_RGA 111 -#define HRST_RGA 112 -#define SRST_RGA 113 -#define PRST_CVBS 114 -#define PRST_HDMI 115 -#define SRST_HDMI 116 -#define PRST_MIPI_DSI 117 - #define ARST_ISP_NIU 118 #define HRST_ISP_NIU 119 #define HRST_ISP 120 @@ -227,21 +295,21 @@ #define HRST_VPU_NIU 141 #define ARST_VPU 142 #define HRST_VPU 143 -#define ARST_RKVDEC_NIU 144 -#define HRST_RKVDEC_NIU 145 +#define ARST_RKVDEC_NIU 144 +#define HRST_RKVDEC_NIU 145 #define ARST_RKVDEC 146 #define HRST_RKVDEC 147 #define SRST_RKVDEC_CABAC 148 #define SRST_RKVDEC_CORE 149 -#define ARST_RKVENC_NIU 150 -#define HRST_RKVENC_NIU 151 +#define ARST_RKVENC_NIU 150 +#define HRST_RKVENC_NIU 151 #define ARST_RKVENC 152 #define HRST_RKVENC 153 #define SRST_RKVENC_CORE 154

#define SRST_DSP_CORE 156 #define SRST_DSP_SYS 157 -#define SRST_DSP_GLOBAL 158 +#define SRST_DSP_GLOBAL 158 #define SRST_DSP_OECM 159 #define PRST_DSP_IOP_NIU 160 #define ARST_DSP_EPP_NIU 161 @@ -259,7 +327,7 @@ #define SRST_PMU_I2C0 173 #define PRST_PMU_I2C0 174 #define PRST_PMU_GPIO0 175 -#define PRST_PMU_INTMEM 176 +#define PRST_PMU_INTMEM 176 #define PRST_PMU_PWM0 177 #define SRST_PMU_PWM0 178 #define PRST_PMU_GRF 179

This adds the pinctrl handles to enable the use of eMMC on custom boards (as minievk) and makes it easier for later addition.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---

Changes in v3: - rework commit log

Changes in v2: - split bounce buffer change on a new patch

arch/arm/dts/rv1108.dtsi | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)

diff --git a/arch/arm/dts/rv1108.dtsi b/arch/arm/dts/rv1108.dtsi index acfd97e18d..23a44bfaca 100644 --- a/arch/arm/dts/rv1108.dtsi +++ b/arch/arm/dts/rv1108.dtsi @@ -427,6 +427,35 @@ }; };

+ emmc { + emmc_clk: emmc-clk { + rockchip,pins = <2 RK_PB6 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; + }; + + emmc_cmd: emmc-cmd { + rockchip,pins = <2 RK_PB4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; + }; + + emmc_pwren: emmc-pwren { + rockchip,pins = <2 RK_PC2 RK_FUNC_2 &pcfg_pull_none>; + }; + + emmc_bus1: emmc-bus1 { + rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; + }; + + emmc_bus8: emmc-bus8 { + rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA1 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA2 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA3 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA5 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA6 RK_FUNC_2 &pcfg_pull_up_drv_8ma>, + <2 RK_PA7 RK_FUNC_2 &pcfg_pull_up_drv_8ma>; + }; + }; + sdmmc { sdmmc_clk: sdmmc-clk { rockchip,pins = <3 RK_PC4 RK_FUNC_1 &pcfg_pull_none_drv_4ma>;

This allow easier integration of RV1108 based boards on generic distributions and build systems.

Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---

Changes in v3: None Changes in v2: None

include/configs/rv1108_common.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)

diff --git a/include/configs/rv1108_common.h b/include/configs/rv1108_common.h index cc0384e2f4..16d4e2e355 100644 --- a/include/configs/rv1108_common.h +++ b/include/configs/rv1108_common.h @@ -28,3 +28,18 @@ #define CONFIG_USB_OHCI_NEW #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1 #endif + +#ifndef CONFIG_SPL_BUILD +#define ENV_MEM_LAYOUT_SETTINGS \ + "scriptaddr=0x60000000\0" \ + "fdt_addr_r=0x61f00000\0" \ + "kernel_addr_r=0x62000000\0" \ + "ramdisk_addr_r=0x64000000\0" + +#include <config_distro_bootcmd.h> +#define CONFIG_EXTRA_ENV_SETTINGS \ + ENV_MEM_LAYOUT_SETTINGS \ + "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \ + "partitions=" PARTS_DEFAULT \ + BOOTENV +#endif