Hi Jeffy,
Am Mittwoch, 9. Dezember 2015, 17:04:06 schrieb Jeffy Chen:
> The pinctrl of rk3228 is much the same as rk3288's, but
> without pmu.
>
> Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
After verifying the offset and register-layout values with the TRM
Reviewed-by: Heiko Stuebner <he...@sntech.de>
I just love how that still seems to fit for new socs ;-)
Thanks
Heiko
> ---
>
> .../bindings/pinctrl/rockchip,pinctrl.txt | 3 +-
> drivers/pinctrl/pinctrl-rockchip.c | 53
> ++++++++++++++++++++++ 2 files changed, 55 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt index
> 391ef4b..0cd701b 100644
> --- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
> @@ -21,7 +21,8 @@ defined as gpio sub-nodes of the pinmux controller.
> Required properties for iomux controller:
> - compatible: one of "rockchip,rk2928-pinctrl",
> "rockchip,rk3066a-pinctrl" "rockchip,rk3066b-pinctrl",
> "rockchip,rk3188-pinctrl"
> - "rockchip,rk3288-pinctrl", "rockchip,rk3368-pinctrl"
> + "rockchip,rk3228-pinctrl", "rockchip,rk3288-pinctrl"
> + "rockchip,rk3368-pinctrl"
> - rockchip,grf: phandle referencing a syscon providing the
> "general register files"
>
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c
> b/drivers/pinctrl/pinctrl-rockchip.c index a065112..faab36e 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -614,6 +614,40 @@ static void rk3288_calc_drv_reg_and_bit(struct
> rockchip_pin_bank *bank, }
> }
>
> +#define RK3228_PULL_OFFSET 0x100
> +
> +static void rk3228_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;
> +
> + *regmap = info->regmap_base;
> + *reg = RK3228_PULL_OFFSET;
> + *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
> + *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
> +
> + *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
> + *bit *= RK3188_PULL_BITS_PER_PIN;
> +}
> +
> +#define RK3228_DRV_GRF_OFFSET 0x200
> +
> +static void rk3228_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;
> +
> + *regmap = info->regmap_base;
> + *reg = RK3228_DRV_GRF_OFFSET;
> + *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE;
> + *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4);
> +
> + *bit = (pin_num % RK3288_DRV_PINS_PER_REG);
> + *bit *= RK3288_DRV_BITS_PER_PIN;
> +}
> +
> #define RK3368_PULL_GRF_OFFSET 0x100
> #define RK3368_PULL_PMU_OFFSET 0x10
>
> @@ -2143,6 +2177,23 @@ static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
> .pull_calc_reg = rk3188_calc_pull_reg_and_bit,
> };
>
> +static struct rockchip_pin_bank rk3228_pin_banks[] = {
> + PIN_BANK(0, 32, "gpio0"),
> + PIN_BANK(1, 32, "gpio1"),
> + PIN_BANK(2, 32, "gpio2"),
> + PIN_BANK(3, 32, "gpio3"),
> +};
> +
> +static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
> + .pin_banks = rk3228_pin_banks,
> + .nr_banks = ARRAY_SIZE(rk3228_pin_banks),
> + .label = "RK3228-GPIO",
> + .type = RK3288,
> + .grf_mux_offset = 0x0,
> + .pull_calc_reg = rk3228_calc_pull_reg_and_bit,
> + .drv_calc_reg = rk3228_calc_drv_reg_and_bit,
> +};
> +
> static struct rockchip_pin_bank rk3288_pin_banks[] = {
> PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU,
> IOMUX_SOURCE_PMU,
> @@ -2220,6 +2271,8 @@ static const struct of_device_id
> rockchip_pinctrl_dt_match[] = { .data = (void *)&rk3066b_pin_ctrl },
> { .compatible = "rockchip,rk3188-pinctrl",
> .data = (void *)&rk3188_pin_ctrl },
> + { .compatible = "rockchip,rk3228-pinctrl",
> + .data = (void *)&rk3228_pin_ctrl },
> { .compatible = "rockchip,rk3288-pinctrl",
> .data = (void *)&rk3288_pin_ctrl },
> { .compatible = "rockchip,rk3368-pinctrl",
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