Add the special pins configuration data to allow setup the bias of the UFS and SDCard pins on the SM8250 SoC.
Signed-off-by: Neil Armstrong neil.armstrong@linaro.org --- drivers/pinctrl/qcom/pinctrl-sm8250.c | 42 +++++++++++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 4 deletions(-)
diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250.c b/drivers/pinctrl/qcom/pinctrl-sm8250.c index dac24f11bc2..cab42fa64ed 100644 --- a/drivers/pinctrl/qcom/pinctrl-sm8250.c +++ b/drivers/pinctrl/qcom/pinctrl-sm8250.c @@ -18,8 +18,37 @@ static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
static const struct pinctrl_function msm_pinctrl_functions[] = { { "qup12", 1 }, - { "gpio", 0 }, - { "sdc2_clk", 0 } }; + { "gpio", 0 }, }; +#define SDC_PINGROUP(pg_name, ctl, pull, drv) \ + { \ + .name = pg_name, \ + .ctl_reg = ctl, \ + .io_reg = 0, \ + .pull_bit = pull, \ + .drv_bit = drv, \ + .oe_bit = -1, \ + .in_bit = -1, \ + .out_bit = -1, \ + } + +#define UFS_RESET(pg_name, offset) \ + { \ + .name = pg_name, \ + .ctl_reg = offset, \ + .io_reg = offset + 0x4, \ + .pull_bit = 3, \ + .drv_bit = 0, \ + .oe_bit = -1, \ + .in_bit = -1, \ + .out_bit = 0, \ + } + +static const struct msm_special_pin_data sm8250_special_pins_data[] = { + [0] = UFS_RESET("ufs_reset", SOUTH + 0xb8000), + [1] = SDC_PINGROUP("sdc2_clk", NORTH + 0xb7000, 14, 6), + [2] = SDC_PINGROUP("sdc2_cmd", NORTH + 0xb7000, 11, 3), + [3] = SDC_PINGROUP("sdc2_data", NORTH + 0xb7000, 9, 0), +};
static const unsigned int sm8250_pin_offsets[] = { [0] = SOUTH, [1] = SOUTH, [2] = SOUTH, [3] = SOUTH, [4] = NORTH, [5] = NORTH, @@ -52,7 +81,6 @@ static const unsigned int sm8250_pin_offsets[] = { [162] = WEST, [163] = WEST, [164] = WEST, [165] = WEST, [166] = WEST, [167] = WEST, [168] = WEST, [169] = WEST, [170] = WEST, [171] = WEST, [172] = WEST, [173] = WEST, [174] = WEST, [175] = WEST, [176] = WEST, [177] = WEST, [178] = WEST, [179] = WEST, - [180] = 0, [181] = 0, [182] = 0, [183] = 0, };
static const char *sm8250_get_function_name(struct udevice *dev, unsigned int selector) @@ -62,7 +90,12 @@ static const char *sm8250_get_function_name(struct udevice *dev, unsigned int se
static const char *sm8250_get_pin_name(struct udevice *dev, unsigned int selector) { - snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector); + if (selector >= 180 && selector <= 183) + snprintf(pin_name, MAX_PIN_NAME_LEN, + sm8250_special_pins_data[selector - 180].name); + else + snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector); + return pin_name; }
@@ -76,6 +109,7 @@ static struct msm_pinctrl_data sm8250_data = { .pin_offsets = sm8250_pin_offsets, .pin_count = ARRAY_SIZE(sm8250_pin_offsets), .special_pins_start = 180, + .special_pins_data = sm8250_special_pins_data, }, .functions_count = ARRAY_SIZE(msm_pinctrl_functions), .get_function_name = sm8250_get_function_name,