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In GPIO0, up to Lower C group GPIO0_C[3:0] is part of PMU but rest of the groups from there are part of GRF. Added pinctrl support for RV1126 and the pull, drv and schmitt calculations are inferred from [1] authored by Jianqun Xu. [1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/pinctrl/pinctrl-rockchip.c Cc: linux-gpio@vger.kernel.org Cc: Linus Walleij Signed-off-by: Jianqun Xu Signed-off-by: Sugar Zhang Signed-off-by: Jagan Teki --- Changes for v2: - none drivers/pinctrl/pinctrl-rockchip.c | 333 ++++++++++++++++++++++++++++- drivers/pinctrl/pinctrl-rockchip.h | 1 + 2 files changed, 327 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 32e41395fc76..a91061f9c2ac 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -57,6 +57,7 @@ #define IOMUX_UNROUTED BIT(3) #define IOMUX_WIDTH_3BIT BIT(4) #define IOMUX_WIDTH_2BIT BIT(5) +#define IOMUX_L_SOURCE_PMU BIT(6) #define PIN_BANK(id, pins, label) \ { \ @@ -147,6 +148,21 @@ .pull_type[3] = pull3, \ } +#define PIN_BANK_IOMUX_FLAGS_OFFSET(id, pins, label, iom0, iom1, iom2, \ + iom3, offset0, offset1, offset2, \ + offset3) \ + { \ + .bank_num = id, \ + .nr_pins = pins, \ + .name = label, \ + .iomux = { \ + { .type = iom0, .offset = offset0 }, \ + { .type = iom1, .offset = offset1 }, \ + { .type = iom2, .offset = offset2 }, \ + { .type = iom3, .offset = offset3 }, \ + }, \ + } + #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \ iom2, iom3, drv0, drv1, drv2, \ drv3, offset0, offset1, \ @@ -443,6 +459,37 @@ static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = { }, }; +static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = { + { + .num = 0, + .pin = 20, + .reg = 0x10000, + .bit = 0, + .mask = 0xf + }, + { + .num = 0, + .pin = 21, + .reg = 0x10000, + .bit = 4, + .mask = 0xf + }, + { + .num = 0, + .pin = 22, + .reg = 0x10000, + .bit = 8, + .mask = 0xf + }, + { + .num = 0, + .pin = 23, + .reg = 0x10000, + .bit = 12, + .mask = 0xf + }, +}; + static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { { .num = 2, @@ -642,6 +689,103 @@ static struct rockchip_mux_route_data px30_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */ }; +static struct rockchip_mux_route_data rv1126_mux_route_data[] = { + RK_MUXROUTE_GRF(3, RK_PD2, 1, 0x10260, WRITE_MASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 3, 0x10260, WRITE_MASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */ + + RK_MUXROUTE_GRF(0, RK_PD4, 4, 0x10260, WRITE_MASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x10260, WRITE_MASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PC7, 6, 0x10260, WRITE_MASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */ + + RK_MUXROUTE_GRF(1, RK_PD0, 1, 0x10260, WRITE_MASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB3, 2, 0x10260, WRITE_MASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PD4, 2, 0x10260, WRITE_MASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */ + RK_MUXROUTE_GRF(3, RK_PC0, 3, 0x10260, WRITE_MASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 1, 0x10264, WRITE_MASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */ + RK_MUXROUTE_GRF(2, RK_PD1, 3, 0x10264, WRITE_MASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 5, 0x10264, WRITE_MASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */ + RK_MUXROUTE_GRF(2, RK_PD4, 7, 0x10264, WRITE_MASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD6, 3, 0x10264, WRITE_MASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA0, 7, 0x10264, WRITE_MASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */ + RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x10264, WRITE_MASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */ + + RK_MUXROUTE_GRF(2, RK_PA5, 7, 0x10264, WRITE_MASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 5, 0x10264, WRITE_MASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD0, 4, 0x10264, WRITE_MASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 5, 0x10264, WRITE_MASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PC6, 3, 0x10264, WRITE_MASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PD5, 6, 0x10264, WRITE_MASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x10264, WRITE_MASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB7, 2, 0x10264, WRITE_MASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA1, 3, 0x10264, WRITE_MASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */ + RK_MUXROUTE_GRF(3, RK_PA7, 5, 0x10264, WRITE_MASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 6, 0x10268, WRITE_MASK_VAL(0, 0, 0)), /* PWM8_M0 */ + RK_MUXROUTE_GRF(2, RK_PD7, 5, 0x10268, WRITE_MASK_VAL(0, 0, 1)), /* PWM8_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA5, 6, 0x10268, WRITE_MASK_VAL(2, 2, 0)), /* PWM9_M0 */ + RK_MUXROUTE_GRF(2, RK_PD6, 5, 0x10268, WRITE_MASK_VAL(2, 2, 1)), /* PWM9_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 6, 0x10268, WRITE_MASK_VAL(4, 4, 0)), /* PWM10_M0 */ + RK_MUXROUTE_GRF(2, RK_PD5, 5, 0x10268, WRITE_MASK_VAL(4, 4, 1)), /* PWM10_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA7, 6, 0x10268, WRITE_MASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */ + RK_MUXROUTE_GRF(3, RK_PA1, 5, 0x10268, WRITE_MASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */ + + RK_MUXROUTE_GRF(1, RK_PA5, 3, 0x10268, WRITE_MASK_VAL(8, 8, 0)), /* UART2_TX_M0 */ + RK_MUXROUTE_GRF(3, RK_PA2, 1, 0x10268, WRITE_MASK_VAL(8, 8, 1)), /* UART2_TX_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 3, 0x10268, WRITE_MASK_VAL(11, 10, 0)), /* UART3_TX_M0 */ + RK_MUXROUTE_GRF(1, RK_PA7, 2, 0x10268, WRITE_MASK_VAL(11, 10, 1)), /* UART3_TX_M1 */ + RK_MUXROUTE_GRF(3, RK_PA0, 4, 0x10268, WRITE_MASK_VAL(11, 10, 2)), /* UART3_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 4, 0x10268, WRITE_MASK_VAL(13, 12, 0)), /* UART4_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(13, 12, 1)), /* UART4_TX_M1 */ + RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x10268, WRITE_MASK_VAL(13, 12, 2)), /* UART4_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(15, 14, 0)), /* UART5_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PB0, 4, 0x10268, WRITE_MASK_VAL(15, 14, 1)), /* UART5_TX_M1 */ + RK_MUXROUTE_GRF(2, RK_PA0, 3, 0x10268, WRITE_MASK_VAL(15, 14, 2)), /* UART5_TX_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 3, 0x0114, WRITE_MASK_VAL(0, 0, 0)), /* PWM0_M0 */ + RK_MUXROUTE_PMU(2, RK_PB3, 5, 0x0114, WRITE_MASK_VAL(0, 0, 1)), /* PWM0_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB7, 3, 0x0114, WRITE_MASK_VAL(2, 2, 0)), /* PWM1_M0 */ + RK_MUXROUTE_PMU(2, RK_PB2, 5, 0x0114, WRITE_MASK_VAL(2, 2, 1)), /* PWM1_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC0, 3, 0x0114, WRITE_MASK_VAL(4, 4, 0)), /* PWM2_M0 */ + RK_MUXROUTE_PMU(2, RK_PB1, 5, 0x0114, WRITE_MASK_VAL(4, 4, 1)), /* PWM2_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC1, 3, 0x0114, WRITE_MASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */ + RK_MUXROUTE_PMU(2, RK_PB0, 5, 0x0114, WRITE_MASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC2, 3, 0x0114, WRITE_MASK_VAL(8, 8, 0)), /* PWM4_M0 */ + RK_MUXROUTE_PMU(2, RK_PA7, 5, 0x0114, WRITE_MASK_VAL(8, 8, 1)), /* PWM4_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC3, 3, 0x0114, WRITE_MASK_VAL(10, 10, 0)), /* PWM5_M0 */ + RK_MUXROUTE_PMU(2, RK_PA6, 5, 0x0114, WRITE_MASK_VAL(10, 10, 1)), /* PWM5_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB2, 3, 0x0114, WRITE_MASK_VAL(12, 12, 0)), /* PWM6_M0 */ + RK_MUXROUTE_PMU(2, RK_PD4, 5, 0x0114, WRITE_MASK_VAL(12, 12, 1)), /* PWM6_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB1, 3, 0x0114, WRITE_MASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */ + RK_MUXROUTE_PMU(3, RK_PA0, 5, 0x0114, WRITE_MASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB0, 1, 0x0118, WRITE_MASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */ + RK_MUXROUTE_PMU(2, RK_PA1, 1, 0x0118, WRITE_MASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */ + RK_MUXROUTE_PMU(2, RK_PB2, 6, 0x0118, WRITE_MASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 2, 0x0118, WRITE_MASK_VAL(2, 2, 0)), /* UART1_TX_M0 */ + RK_MUXROUTE_PMU(1, RK_PD0, 5, 0x0118, WRITE_MASK_VAL(2, 2, 1)), /* UART1_TX_M1 */ +}; + static struct rockchip_mux_route_data rk3128_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */ RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */ @@ -877,8 +1021,12 @@ static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin) if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) return RK_FUNC_GPIO; - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -987,8 +1135,12 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -1268,6 +1420,119 @@ static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +#define RV1126_PULL_PMU_OFFSET 0x40 +#define RV1126_PULL_GRF_GPIO1A0_OFFSET 0x10108 +#define RV1126_PULL_PINS_PER_REG 8 +#define RV1126_PULL_BITS_PER_PIN 2 +#define RV1126_PULL_BANK_STRIDE 16 +#define RV1126_GPIO_C4_D7(p) (p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */ + +static int rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4); + *bit = pin_num % RV1126_PULL_PINS_PER_REG; + *bit *= RV1126_PULL_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_PULL_PMU_OFFSET; + } else { + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *regmap = info->regmap_base; + *reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4); + *bit = (pin_num % RV1126_PULL_PINS_PER_REG); + *bit *= RV1126_PULL_BITS_PER_PIN; + + return 0; +} + +#define RV1126_DRV_PMU_OFFSET 0x20 +#define RV1126_DRV_GRF_GPIO1A0_OFFSET 0x10090 +#define RV1126_DRV_BITS_PER_PIN 4 +#define RV1126_DRV_PINS_PER_REG 4 +#define RV1126_DRV_BANK_STRIDE 32 + +static int rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4); + *reg -= 0x4; + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_DRV_PMU_OFFSET; + } else { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4); + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + + return 0; +} + +#define RV1126_SCHMITT_PMU_OFFSET 0x60 +#define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET 0x10188 +#define RV1126_SCHMITT_BANK_STRIDE 16 +#define RV1126_SCHMITT_PINS_PER_GRF_REG 8 +#define RV1126_SCHMITT_PINS_PER_PMU_REG 8 + +static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, + struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + int pins_per_reg; + + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4); + *bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_SCHMITT_PMU_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG; + } else { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG; + *reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE; + } + *reg += ((pin_num / pins_per_reg) * 4); + *bit = pin_num % pins_per_reg; + + return 0; +} + #define RK3308_SCHMITT_PINS_PER_REG 8 #define RK3308_SCHMITT_BANK_STRIDE 16 #define RK3308_SCHMITT_GRF_OFFSET 0x1a0 @@ -1998,6 +2263,12 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, goto config; } + if (ctrl->type == RV1126) { + rmask_bits = RV1126_DRV_BITS_PER_PIN; + ret = strength; + goto config; + } + ret = -EINVAL; for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) { if (rockchip_perpin_drv_list[drv_type][i] == strength) { @@ -2168,6 +2439,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, break; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2416,6 +2688,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, return pull ? false : true; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2889,12 +3162,14 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( /* preset iomux offset value, set new start value */ if (iom->offset >= 0) { - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs = iom->offset; else grf_offs = iom->offset; } else { /* set current iomux offset */ - iom->offset = (iom->type & IOMUX_SOURCE_PMU) ? + iom->offset = ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) ? pmu_offs : grf_offs; } @@ -2919,7 +3194,7 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( inc = (iom->type & (IOMUX_WIDTH_4BIT | IOMUX_WIDTH_3BIT | IOMUX_WIDTH_2BIT)) ? 8 : 4; - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs += inc; else grf_offs += inc; @@ -3178,6 +3453,48 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = { .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit, }; +static struct rockchip_pin_bank rv1126_pin_banks[] = { + PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x10010, 0x10018, 0x10020, 0x10028), + PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4", + IOMUX_WIDTH_4BIT, 0, 0, 0), +}; + +static struct rockchip_pin_ctrl rv1126_pin_ctrl = { + .pin_banks = rv1126_pin_banks, + .nr_banks = ARRAY_SIZE(rv1126_pin_banks), + .label = "RV1126-GPIO", + .type = RV1126, + .grf_mux_offset = 0x10004, /* mux offset from GPIO0_D0 */ + .pmu_mux_offset = 0x0, + .iomux_routes = rv1126_mux_route_data, + .niomux_routes = ARRAY_SIZE(rv1126_mux_route_data), + .iomux_recalced = rv1126_mux_recalced_data, + .niomux_recalced = ARRAY_SIZE(rv1126_mux_recalced_data), + .pull_calc_reg = rv1126_calc_pull_reg_and_bit, + .drv_calc_reg = rv1126_calc_drv_reg_and_bit, + .schmitt_calc_reg = rv1126_calc_schmitt_reg_and_bit, +}; + static struct rockchip_pin_bank rk2928_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), @@ -3568,6 +3885,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { .data = &px30_pin_ctrl }, { .compatible = "rockchip,rv1108-pinctrl", .data = &rv1108_pin_ctrl }, + { .compatible = "rockchip,rv1126-pinctrl", + .data = &rv1126_pin_ctrl }, { .compatible = "rockchip,rk2928-pinctrl", .data = &rk2928_pin_ctrl }, { .compatible = "rockchip,rk3036-pinctrl", diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index ec46f8815ac9..4759f336941e 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -186,6 +186,7 @@ enum rockchip_pinctrl_type { PX30, RV1108, + RV1126, RK2928, RK3066B, RK3128, -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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Sugar Zhang Subject: [PATCH v2 07/20] pinctrl: rockchip: Add RV1126 pinctrl support Date: Sun, 31 Jul 2022 23:17:13 +0530 Message-Id: <20220731174726.72631-8-jagan@edgeble.ai> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220731174726.72631-1-jagan@edgeble.ai> References: <20220731174726.72631-1-jagan@edgeble.ai> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220731_104805_995471_C74957B1 X-CRM114-Status: GOOD ( 21.10 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org RV1126 has five GPIOs groups - GPIO0 in PD_MMU and GPIO1-4 in PD_BUS. In GPIO0, up to Lower C group GPIO0_C[3:0] is part of PMU but rest of the groups from there are part of GRF. Added pinctrl support for RV1126 and the pull, drv and schmitt calculations are inferred from [1] authored by Jianqun Xu. [1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/pinctrl/pinctrl-rockchip.c Cc: linux-gpio@vger.kernel.org Cc: Linus Walleij Signed-off-by: Jianqun Xu Signed-off-by: Sugar Zhang Signed-off-by: Jagan Teki --- Changes for v2: - none drivers/pinctrl/pinctrl-rockchip.c | 333 ++++++++++++++++++++++++++++- drivers/pinctrl/pinctrl-rockchip.h | 1 + 2 files changed, 327 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 32e41395fc76..a91061f9c2ac 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -57,6 +57,7 @@ #define IOMUX_UNROUTED BIT(3) #define IOMUX_WIDTH_3BIT BIT(4) #define IOMUX_WIDTH_2BIT BIT(5) +#define IOMUX_L_SOURCE_PMU BIT(6) #define PIN_BANK(id, pins, label) \ { \ @@ -147,6 +148,21 @@ .pull_type[3] = pull3, \ } +#define PIN_BANK_IOMUX_FLAGS_OFFSET(id, pins, label, iom0, iom1, iom2, \ + iom3, offset0, offset1, offset2, \ + offset3) \ + { \ + .bank_num = id, \ + .nr_pins = pins, \ + .name = label, \ + .iomux = { \ + { .type = iom0, .offset = offset0 }, \ + { .type = iom1, .offset = offset1 }, \ + { .type = iom2, .offset = offset2 }, \ + { .type = iom3, .offset = offset3 }, \ + }, \ + } + #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \ iom2, iom3, drv0, drv1, drv2, \ drv3, offset0, offset1, \ @@ -443,6 +459,37 @@ static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = { }, }; +static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = { + { + .num = 0, + .pin = 20, + .reg = 0x10000, + .bit = 0, + .mask = 0xf + }, + { + .num = 0, + .pin = 21, + .reg = 0x10000, + .bit = 4, + .mask = 0xf + }, + { + .num = 0, + .pin = 22, + .reg = 0x10000, + .bit = 8, + .mask = 0xf + }, + { + .num = 0, + .pin = 23, + .reg = 0x10000, + .bit = 12, + .mask = 0xf + }, +}; + static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { { .num = 2, @@ -642,6 +689,103 @@ static struct rockchip_mux_route_data px30_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */ }; +static struct rockchip_mux_route_data rv1126_mux_route_data[] = { + RK_MUXROUTE_GRF(3, RK_PD2, 1, 0x10260, WRITE_MASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 3, 0x10260, WRITE_MASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */ + + RK_MUXROUTE_GRF(0, RK_PD4, 4, 0x10260, WRITE_MASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x10260, WRITE_MASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PC7, 6, 0x10260, WRITE_MASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */ + + RK_MUXROUTE_GRF(1, RK_PD0, 1, 0x10260, WRITE_MASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB3, 2, 0x10260, WRITE_MASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PD4, 2, 0x10260, WRITE_MASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */ + RK_MUXROUTE_GRF(3, RK_PC0, 3, 0x10260, WRITE_MASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 1, 0x10264, WRITE_MASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */ + RK_MUXROUTE_GRF(2, RK_PD1, 3, 0x10264, WRITE_MASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 5, 0x10264, WRITE_MASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */ + RK_MUXROUTE_GRF(2, RK_PD4, 7, 0x10264, WRITE_MASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD6, 3, 0x10264, WRITE_MASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA0, 7, 0x10264, WRITE_MASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */ + RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x10264, WRITE_MASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */ + + RK_MUXROUTE_GRF(2, RK_PA5, 7, 0x10264, WRITE_MASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 5, 0x10264, WRITE_MASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD0, 4, 0x10264, WRITE_MASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 5, 0x10264, WRITE_MASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PC6, 3, 0x10264, WRITE_MASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PD5, 6, 0x10264, WRITE_MASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x10264, WRITE_MASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB7, 2, 0x10264, WRITE_MASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA1, 3, 0x10264, WRITE_MASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */ + RK_MUXROUTE_GRF(3, RK_PA7, 5, 0x10264, WRITE_MASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 6, 0x10268, WRITE_MASK_VAL(0, 0, 0)), /* PWM8_M0 */ + RK_MUXROUTE_GRF(2, RK_PD7, 5, 0x10268, WRITE_MASK_VAL(0, 0, 1)), /* PWM8_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA5, 6, 0x10268, WRITE_MASK_VAL(2, 2, 0)), /* PWM9_M0 */ + RK_MUXROUTE_GRF(2, RK_PD6, 5, 0x10268, WRITE_MASK_VAL(2, 2, 1)), /* PWM9_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 6, 0x10268, WRITE_MASK_VAL(4, 4, 0)), /* PWM10_M0 */ + RK_MUXROUTE_GRF(2, RK_PD5, 5, 0x10268, WRITE_MASK_VAL(4, 4, 1)), /* PWM10_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA7, 6, 0x10268, WRITE_MASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */ + RK_MUXROUTE_GRF(3, RK_PA1, 5, 0x10268, WRITE_MASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */ + + RK_MUXROUTE_GRF(1, RK_PA5, 3, 0x10268, WRITE_MASK_VAL(8, 8, 0)), /* UART2_TX_M0 */ + RK_MUXROUTE_GRF(3, RK_PA2, 1, 0x10268, WRITE_MASK_VAL(8, 8, 1)), /* UART2_TX_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 3, 0x10268, WRITE_MASK_VAL(11, 10, 0)), /* UART3_TX_M0 */ + RK_MUXROUTE_GRF(1, RK_PA7, 2, 0x10268, WRITE_MASK_VAL(11, 10, 1)), /* UART3_TX_M1 */ + RK_MUXROUTE_GRF(3, RK_PA0, 4, 0x10268, WRITE_MASK_VAL(11, 10, 2)), /* UART3_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 4, 0x10268, WRITE_MASK_VAL(13, 12, 0)), /* UART4_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(13, 12, 1)), /* UART4_TX_M1 */ + RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x10268, WRITE_MASK_VAL(13, 12, 2)), /* UART4_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(15, 14, 0)), /* UART5_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PB0, 4, 0x10268, WRITE_MASK_VAL(15, 14, 1)), /* UART5_TX_M1 */ + RK_MUXROUTE_GRF(2, RK_PA0, 3, 0x10268, WRITE_MASK_VAL(15, 14, 2)), /* UART5_TX_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 3, 0x0114, WRITE_MASK_VAL(0, 0, 0)), /* PWM0_M0 */ + RK_MUXROUTE_PMU(2, RK_PB3, 5, 0x0114, WRITE_MASK_VAL(0, 0, 1)), /* PWM0_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB7, 3, 0x0114, WRITE_MASK_VAL(2, 2, 0)), /* PWM1_M0 */ + RK_MUXROUTE_PMU(2, RK_PB2, 5, 0x0114, WRITE_MASK_VAL(2, 2, 1)), /* PWM1_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC0, 3, 0x0114, WRITE_MASK_VAL(4, 4, 0)), /* PWM2_M0 */ + RK_MUXROUTE_PMU(2, RK_PB1, 5, 0x0114, WRITE_MASK_VAL(4, 4, 1)), /* PWM2_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC1, 3, 0x0114, WRITE_MASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */ + RK_MUXROUTE_PMU(2, RK_PB0, 5, 0x0114, WRITE_MASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC2, 3, 0x0114, WRITE_MASK_VAL(8, 8, 0)), /* PWM4_M0 */ + RK_MUXROUTE_PMU(2, RK_PA7, 5, 0x0114, WRITE_MASK_VAL(8, 8, 1)), /* PWM4_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC3, 3, 0x0114, WRITE_MASK_VAL(10, 10, 0)), /* PWM5_M0 */ + RK_MUXROUTE_PMU(2, RK_PA6, 5, 0x0114, WRITE_MASK_VAL(10, 10, 1)), /* PWM5_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB2, 3, 0x0114, WRITE_MASK_VAL(12, 12, 0)), /* PWM6_M0 */ + RK_MUXROUTE_PMU(2, RK_PD4, 5, 0x0114, WRITE_MASK_VAL(12, 12, 1)), /* PWM6_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB1, 3, 0x0114, WRITE_MASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */ + RK_MUXROUTE_PMU(3, RK_PA0, 5, 0x0114, WRITE_MASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB0, 1, 0x0118, WRITE_MASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */ + RK_MUXROUTE_PMU(2, RK_PA1, 1, 0x0118, WRITE_MASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */ + RK_MUXROUTE_PMU(2, RK_PB2, 6, 0x0118, WRITE_MASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 2, 0x0118, WRITE_MASK_VAL(2, 2, 0)), /* UART1_TX_M0 */ + RK_MUXROUTE_PMU(1, RK_PD0, 5, 0x0118, WRITE_MASK_VAL(2, 2, 1)), /* UART1_TX_M1 */ +}; + static struct rockchip_mux_route_data rk3128_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */ RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */ @@ -877,8 +1021,12 @@ static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin) if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) return RK_FUNC_GPIO; - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -987,8 +1135,12 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -1268,6 +1420,119 @@ static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +#define RV1126_PULL_PMU_OFFSET 0x40 +#define RV1126_PULL_GRF_GPIO1A0_OFFSET 0x10108 +#define RV1126_PULL_PINS_PER_REG 8 +#define RV1126_PULL_BITS_PER_PIN 2 +#define RV1126_PULL_BANK_STRIDE 16 +#define RV1126_GPIO_C4_D7(p) (p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */ + +static int rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4); + *bit = pin_num % RV1126_PULL_PINS_PER_REG; + *bit *= RV1126_PULL_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_PULL_PMU_OFFSET; + } else { + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *regmap = info->regmap_base; + *reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4); + *bit = (pin_num % RV1126_PULL_PINS_PER_REG); + *bit *= RV1126_PULL_BITS_PER_PIN; + + return 0; +} + +#define RV1126_DRV_PMU_OFFSET 0x20 +#define RV1126_DRV_GRF_GPIO1A0_OFFSET 0x10090 +#define RV1126_DRV_BITS_PER_PIN 4 +#define RV1126_DRV_PINS_PER_REG 4 +#define RV1126_DRV_BANK_STRIDE 32 + +static int rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4); + *reg -= 0x4; + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_DRV_PMU_OFFSET; + } else { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4); + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + + return 0; +} + +#define RV1126_SCHMITT_PMU_OFFSET 0x60 +#define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET 0x10188 +#define RV1126_SCHMITT_BANK_STRIDE 16 +#define RV1126_SCHMITT_PINS_PER_GRF_REG 8 +#define RV1126_SCHMITT_PINS_PER_PMU_REG 8 + +static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, + struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + int pins_per_reg; + + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4); + *bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_SCHMITT_PMU_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG; + } else { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG; + *reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE; + } + *reg += ((pin_num / pins_per_reg) * 4); + *bit = pin_num % pins_per_reg; + + return 0; +} + #define RK3308_SCHMITT_PINS_PER_REG 8 #define RK3308_SCHMITT_BANK_STRIDE 16 #define RK3308_SCHMITT_GRF_OFFSET 0x1a0 @@ -1998,6 +2263,12 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, goto config; } + if (ctrl->type == RV1126) { + rmask_bits = RV1126_DRV_BITS_PER_PIN; + ret = strength; + goto config; + } + ret = -EINVAL; for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) { if (rockchip_perpin_drv_list[drv_type][i] == strength) { @@ -2168,6 +2439,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, break; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2416,6 +2688,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, return pull ? false : true; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2889,12 +3162,14 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( /* preset iomux offset value, set new start value */ if (iom->offset >= 0) { - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs = iom->offset; else grf_offs = iom->offset; } else { /* set current iomux offset */ - iom->offset = (iom->type & IOMUX_SOURCE_PMU) ? + iom->offset = ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) ? pmu_offs : grf_offs; } @@ -2919,7 +3194,7 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( inc = (iom->type & (IOMUX_WIDTH_4BIT | IOMUX_WIDTH_3BIT | IOMUX_WIDTH_2BIT)) ? 8 : 4; - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs += inc; else grf_offs += inc; @@ -3178,6 +3453,48 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = { .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit, }; +static struct rockchip_pin_bank rv1126_pin_banks[] = { + PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x10010, 0x10018, 0x10020, 0x10028), + PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4", + IOMUX_WIDTH_4BIT, 0, 0, 0), +}; + +static struct rockchip_pin_ctrl rv1126_pin_ctrl = { + .pin_banks = rv1126_pin_banks, + .nr_banks = ARRAY_SIZE(rv1126_pin_banks), + .label = "RV1126-GPIO", + .type = RV1126, + .grf_mux_offset = 0x10004, /* mux offset from GPIO0_D0 */ + .pmu_mux_offset = 0x0, + .iomux_routes = rv1126_mux_route_data, + .niomux_routes = ARRAY_SIZE(rv1126_mux_route_data), + .iomux_recalced = rv1126_mux_recalced_data, + .niomux_recalced = ARRAY_SIZE(rv1126_mux_recalced_data), + .pull_calc_reg = rv1126_calc_pull_reg_and_bit, + .drv_calc_reg = rv1126_calc_drv_reg_and_bit, + .schmitt_calc_reg = rv1126_calc_schmitt_reg_and_bit, +}; + static struct rockchip_pin_bank rk2928_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), @@ -3568,6 +3885,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { .data = &px30_pin_ctrl }, { .compatible = "rockchip,rv1108-pinctrl", .data = &rv1108_pin_ctrl }, + { .compatible = "rockchip,rv1126-pinctrl", + .data = &rv1126_pin_ctrl }, { .compatible = "rockchip,rk2928-pinctrl", .data = &rk2928_pin_ctrl }, { .compatible = "rockchip,rk3036-pinctrl", diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index ec46f8815ac9..4759f336941e 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -186,6 +186,7 @@ enum rockchip_pinctrl_type { PX30, RV1108, + RV1126, RK2928, RK3066B, RK3128, -- 2.25.1 _______________________________________________ Linux-rockchip 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linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, Jagan Teki , linux-gpio@vger.kernel.org, Linus Walleij , Jianqun Xu , Sugar Zhang Subject: [PATCH v2 07/20] pinctrl: rockchip: Add RV1126 pinctrl support Date: Sun, 31 Jul 2022 23:17:13 +0530 Message-Id: <20220731174726.72631-8-jagan@edgeble.ai> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220731174726.72631-1-jagan@edgeble.ai> References: <20220731174726.72631-1-jagan@edgeble.ai> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220731_104815_968330_DAA3D341 X-CRM114-Status: GOOD ( 22.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org RV1126 has five GPIOs groups - GPIO0 in PD_MMU and GPIO1-4 in PD_BUS. In GPIO0, up to Lower C group GPIO0_C[3:0] is part of PMU but rest of the groups from there are part of GRF. Added pinctrl support for RV1126 and the pull, drv and schmitt calculations are inferred from [1] authored by Jianqun Xu. [1] https://github.com/rockchip-linux/kernel/blob/develop-4.19/drivers/pinctrl/pinctrl-rockchip.c Cc: linux-gpio@vger.kernel.org Cc: Linus Walleij Signed-off-by: Jianqun Xu Signed-off-by: Sugar Zhang Signed-off-by: Jagan Teki --- Changes for v2: - none drivers/pinctrl/pinctrl-rockchip.c | 333 ++++++++++++++++++++++++++++- drivers/pinctrl/pinctrl-rockchip.h | 1 + 2 files changed, 327 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 32e41395fc76..a91061f9c2ac 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -57,6 +57,7 @@ #define IOMUX_UNROUTED BIT(3) #define IOMUX_WIDTH_3BIT BIT(4) #define IOMUX_WIDTH_2BIT BIT(5) +#define IOMUX_L_SOURCE_PMU BIT(6) #define PIN_BANK(id, pins, label) \ { \ @@ -147,6 +148,21 @@ .pull_type[3] = pull3, \ } +#define PIN_BANK_IOMUX_FLAGS_OFFSET(id, pins, label, iom0, iom1, iom2, \ + iom3, offset0, offset1, offset2, \ + offset3) \ + { \ + .bank_num = id, \ + .nr_pins = pins, \ + .name = label, \ + .iomux = { \ + { .type = iom0, .offset = offset0 }, \ + { .type = iom1, .offset = offset1 }, \ + { .type = iom2, .offset = offset2 }, \ + { .type = iom3, .offset = offset3 }, \ + }, \ + } + #define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \ iom2, iom3, drv0, drv1, drv2, \ drv3, offset0, offset1, \ @@ -443,6 +459,37 @@ static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = { }, }; +static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = { + { + .num = 0, + .pin = 20, + .reg = 0x10000, + .bit = 0, + .mask = 0xf + }, + { + .num = 0, + .pin = 21, + .reg = 0x10000, + .bit = 4, + .mask = 0xf + }, + { + .num = 0, + .pin = 22, + .reg = 0x10000, + .bit = 8, + .mask = 0xf + }, + { + .num = 0, + .pin = 23, + .reg = 0x10000, + .bit = 12, + .mask = 0xf + }, +}; + static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { { .num = 2, @@ -642,6 +689,103 @@ static struct rockchip_mux_route_data px30_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */ }; +static struct rockchip_mux_route_data rv1126_mux_route_data[] = { + RK_MUXROUTE_GRF(3, RK_PD2, 1, 0x10260, WRITE_MASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 3, 0x10260, WRITE_MASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */ + + RK_MUXROUTE_GRF(0, RK_PD4, 4, 0x10260, WRITE_MASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x10260, WRITE_MASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PC7, 6, 0x10260, WRITE_MASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */ + + RK_MUXROUTE_GRF(1, RK_PD0, 1, 0x10260, WRITE_MASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB3, 2, 0x10260, WRITE_MASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PD4, 2, 0x10260, WRITE_MASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */ + RK_MUXROUTE_GRF(3, RK_PC0, 3, 0x10260, WRITE_MASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 1, 0x10264, WRITE_MASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */ + RK_MUXROUTE_GRF(2, RK_PD1, 3, 0x10264, WRITE_MASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 5, 0x10264, WRITE_MASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */ + RK_MUXROUTE_GRF(2, RK_PD4, 7, 0x10264, WRITE_MASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD6, 3, 0x10264, WRITE_MASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA0, 7, 0x10264, WRITE_MASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */ + RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x10264, WRITE_MASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */ + + RK_MUXROUTE_GRF(2, RK_PA5, 7, 0x10264, WRITE_MASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */ + RK_MUXROUTE_GRF(3, RK_PB0, 5, 0x10264, WRITE_MASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */ + RK_MUXROUTE_GRF(1, RK_PD0, 4, 0x10264, WRITE_MASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 5, 0x10264, WRITE_MASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */ + RK_MUXROUTE_GRF(1, RK_PC6, 3, 0x10264, WRITE_MASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */ + RK_MUXROUTE_GRF(2, RK_PD5, 6, 0x10264, WRITE_MASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */ + + RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x10264, WRITE_MASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */ + RK_MUXROUTE_GRF(2, RK_PB7, 2, 0x10264, WRITE_MASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA1, 3, 0x10264, WRITE_MASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */ + RK_MUXROUTE_GRF(3, RK_PA7, 5, 0x10264, WRITE_MASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 6, 0x10268, WRITE_MASK_VAL(0, 0, 0)), /* PWM8_M0 */ + RK_MUXROUTE_GRF(2, RK_PD7, 5, 0x10268, WRITE_MASK_VAL(0, 0, 1)), /* PWM8_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA5, 6, 0x10268, WRITE_MASK_VAL(2, 2, 0)), /* PWM9_M0 */ + RK_MUXROUTE_GRF(2, RK_PD6, 5, 0x10268, WRITE_MASK_VAL(2, 2, 1)), /* PWM9_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 6, 0x10268, WRITE_MASK_VAL(4, 4, 0)), /* PWM10_M0 */ + RK_MUXROUTE_GRF(2, RK_PD5, 5, 0x10268, WRITE_MASK_VAL(4, 4, 1)), /* PWM10_M1 */ + + RK_MUXROUTE_GRF(3, RK_PA7, 6, 0x10268, WRITE_MASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */ + RK_MUXROUTE_GRF(3, RK_PA1, 5, 0x10268, WRITE_MASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */ + + RK_MUXROUTE_GRF(1, RK_PA5, 3, 0x10268, WRITE_MASK_VAL(8, 8, 0)), /* UART2_TX_M0 */ + RK_MUXROUTE_GRF(3, RK_PA2, 1, 0x10268, WRITE_MASK_VAL(8, 8, 1)), /* UART2_TX_M1 */ + + RK_MUXROUTE_GRF(3, RK_PC6, 3, 0x10268, WRITE_MASK_VAL(11, 10, 0)), /* UART3_TX_M0 */ + RK_MUXROUTE_GRF(1, RK_PA7, 2, 0x10268, WRITE_MASK_VAL(11, 10, 1)), /* UART3_TX_M1 */ + RK_MUXROUTE_GRF(3, RK_PA0, 4, 0x10268, WRITE_MASK_VAL(11, 10, 2)), /* UART3_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA4, 4, 0x10268, WRITE_MASK_VAL(13, 12, 0)), /* UART4_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(13, 12, 1)), /* UART4_TX_M1 */ + RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x10268, WRITE_MASK_VAL(13, 12, 2)), /* UART4_TX_M2 */ + + RK_MUXROUTE_GRF(3, RK_PA6, 4, 0x10268, WRITE_MASK_VAL(15, 14, 0)), /* UART5_TX_M0 */ + RK_MUXROUTE_GRF(2, RK_PB0, 4, 0x10268, WRITE_MASK_VAL(15, 14, 1)), /* UART5_TX_M1 */ + RK_MUXROUTE_GRF(2, RK_PA0, 3, 0x10268, WRITE_MASK_VAL(15, 14, 2)), /* UART5_TX_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 3, 0x0114, WRITE_MASK_VAL(0, 0, 0)), /* PWM0_M0 */ + RK_MUXROUTE_PMU(2, RK_PB3, 5, 0x0114, WRITE_MASK_VAL(0, 0, 1)), /* PWM0_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB7, 3, 0x0114, WRITE_MASK_VAL(2, 2, 0)), /* PWM1_M0 */ + RK_MUXROUTE_PMU(2, RK_PB2, 5, 0x0114, WRITE_MASK_VAL(2, 2, 1)), /* PWM1_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC0, 3, 0x0114, WRITE_MASK_VAL(4, 4, 0)), /* PWM2_M0 */ + RK_MUXROUTE_PMU(2, RK_PB1, 5, 0x0114, WRITE_MASK_VAL(4, 4, 1)), /* PWM2_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC1, 3, 0x0114, WRITE_MASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */ + RK_MUXROUTE_PMU(2, RK_PB0, 5, 0x0114, WRITE_MASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC2, 3, 0x0114, WRITE_MASK_VAL(8, 8, 0)), /* PWM4_M0 */ + RK_MUXROUTE_PMU(2, RK_PA7, 5, 0x0114, WRITE_MASK_VAL(8, 8, 1)), /* PWM4_M1 */ + + RK_MUXROUTE_PMU(0, RK_PC3, 3, 0x0114, WRITE_MASK_VAL(10, 10, 0)), /* PWM5_M0 */ + RK_MUXROUTE_PMU(2, RK_PA6, 5, 0x0114, WRITE_MASK_VAL(10, 10, 1)), /* PWM5_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB2, 3, 0x0114, WRITE_MASK_VAL(12, 12, 0)), /* PWM6_M0 */ + RK_MUXROUTE_PMU(2, RK_PD4, 5, 0x0114, WRITE_MASK_VAL(12, 12, 1)), /* PWM6_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB1, 3, 0x0114, WRITE_MASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */ + RK_MUXROUTE_PMU(3, RK_PA0, 5, 0x0114, WRITE_MASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */ + + RK_MUXROUTE_PMU(0, RK_PB0, 1, 0x0118, WRITE_MASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */ + RK_MUXROUTE_PMU(2, RK_PA1, 1, 0x0118, WRITE_MASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */ + RK_MUXROUTE_PMU(2, RK_PB2, 6, 0x0118, WRITE_MASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */ + + RK_MUXROUTE_PMU(0, RK_PB6, 2, 0x0118, WRITE_MASK_VAL(2, 2, 0)), /* UART1_TX_M0 */ + RK_MUXROUTE_PMU(1, RK_PD0, 5, 0x0118, WRITE_MASK_VAL(2, 2, 1)), /* UART1_TX_M1 */ +}; + static struct rockchip_mux_route_data rk3128_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */ RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */ @@ -877,8 +1021,12 @@ static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin) if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) return RK_FUNC_GPIO; - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -987,8 +1135,12 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? info->regmap_pmu : info->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = info->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? info->regmap_pmu : info->regmap_base; + else + regmap = info->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -1268,6 +1420,119 @@ static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +#define RV1126_PULL_PMU_OFFSET 0x40 +#define RV1126_PULL_GRF_GPIO1A0_OFFSET 0x10108 +#define RV1126_PULL_PINS_PER_REG 8 +#define RV1126_PULL_BITS_PER_PIN 2 +#define RV1126_PULL_BANK_STRIDE 16 +#define RV1126_GPIO_C4_D7(p) (p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */ + +static int rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4); + *bit = pin_num % RV1126_PULL_PINS_PER_REG; + *bit *= RV1126_PULL_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_PULL_PMU_OFFSET; + } else { + *reg = RV1126_PULL_GRF_GPIO1A0_OFFSET; + *regmap = info->regmap_base; + *reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4); + *bit = (pin_num % RV1126_PULL_PINS_PER_REG); + *bit *= RV1126_PULL_BITS_PER_PIN; + + return 0; +} + +#define RV1126_DRV_PMU_OFFSET 0x20 +#define RV1126_DRV_GRF_GPIO1A0_OFFSET 0x10090 +#define RV1126_DRV_BITS_PER_PIN 4 +#define RV1126_DRV_PINS_PER_REG 4 +#define RV1126_DRV_BANK_STRIDE 32 + +static int rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + /* The first 24 pins of the first bank are located in PMU */ + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4); + *reg -= 0x4; + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_DRV_PMU_OFFSET; + } else { + *regmap = info->regmap_base; + *reg = RV1126_DRV_GRF_GPIO1A0_OFFSET; + *reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE; + } + + *reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4); + *bit = pin_num % RV1126_DRV_PINS_PER_REG; + *bit *= RV1126_DRV_BITS_PER_PIN; + + return 0; +} + +#define RV1126_SCHMITT_PMU_OFFSET 0x60 +#define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET 0x10188 +#define RV1126_SCHMITT_BANK_STRIDE 16 +#define RV1126_SCHMITT_PINS_PER_GRF_REG 8 +#define RV1126_SCHMITT_PINS_PER_PMU_REG 8 + +static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, + struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + int pins_per_reg; + + if (bank->bank_num == 0) { + if (RV1126_GPIO_C4_D7(pin_num)) { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + *reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4); + *bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG; + return 0; + } + *regmap = info->regmap_pmu; + *reg = RV1126_SCHMITT_PMU_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG; + } else { + *regmap = info->regmap_base; + *reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET; + pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG; + *reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE; + } + *reg += ((pin_num / pins_per_reg) * 4); + *bit = pin_num % pins_per_reg; + + return 0; +} + #define RK3308_SCHMITT_PINS_PER_REG 8 #define RK3308_SCHMITT_BANK_STRIDE 16 #define RK3308_SCHMITT_GRF_OFFSET 0x1a0 @@ -1998,6 +2263,12 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, goto config; } + if (ctrl->type == RV1126) { + rmask_bits = RV1126_DRV_BITS_PER_PIN; + ret = strength; + goto config; + } + ret = -EINVAL; for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) { if (rockchip_perpin_drv_list[drv_type][i] == strength) { @@ -2168,6 +2439,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, break; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2416,6 +2688,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, return pull ? false : true; case PX30: case RV1108: + case RV1126: case RK3188: case RK3288: case RK3308: @@ -2889,12 +3162,14 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( /* preset iomux offset value, set new start value */ if (iom->offset >= 0) { - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs = iom->offset; else grf_offs = iom->offset; } else { /* set current iomux offset */ - iom->offset = (iom->type & IOMUX_SOURCE_PMU) ? + iom->offset = ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) ? pmu_offs : grf_offs; } @@ -2919,7 +3194,7 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( inc = (iom->type & (IOMUX_WIDTH_4BIT | IOMUX_WIDTH_3BIT | IOMUX_WIDTH_2BIT)) ? 8 : 4; - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs += inc; else grf_offs += inc; @@ -3178,6 +3453,48 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = { .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit, }; +static struct rockchip_pin_bank rv1126_pin_banks[] = { + PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU, + IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + 0x10010, 0x10018, 0x10020, 0x10028), + PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT, + IOMUX_WIDTH_4BIT), + PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4", + IOMUX_WIDTH_4BIT, 0, 0, 0), +}; + +static struct rockchip_pin_ctrl rv1126_pin_ctrl = { + .pin_banks = rv1126_pin_banks, + .nr_banks = ARRAY_SIZE(rv1126_pin_banks), + .label = "RV1126-GPIO", + .type = RV1126, + .grf_mux_offset = 0x10004, /* mux offset from GPIO0_D0 */ + .pmu_mux_offset = 0x0, + .iomux_routes = rv1126_mux_route_data, + .niomux_routes = ARRAY_SIZE(rv1126_mux_route_data), + .iomux_recalced = rv1126_mux_recalced_data, + .niomux_recalced = ARRAY_SIZE(rv1126_mux_recalced_data), + .pull_calc_reg = rv1126_calc_pull_reg_and_bit, + .drv_calc_reg = rv1126_calc_drv_reg_and_bit, + .schmitt_calc_reg = rv1126_calc_schmitt_reg_and_bit, +}; + static struct rockchip_pin_bank rk2928_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), @@ -3568,6 +3885,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { .data = &px30_pin_ctrl }, { .compatible = "rockchip,rv1108-pinctrl", .data = &rv1108_pin_ctrl }, + { .compatible = "rockchip,rv1126-pinctrl", + .data = &rv1126_pin_ctrl }, { .compatible = "rockchip,rk2928-pinctrl", .data = &rk2928_pin_ctrl }, { .compatible = "rockchip,rk3036-pinctrl", diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index ec46f8815ac9..4759f336941e 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -186,6 +186,7 @@ enum rockchip_pinctrl_type { PX30, RV1108, + RV1126, RK2928, RK3066B, RK3128, -- 2.25.1 _______________________________________________ linux-arm-kernel 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