pinctrl: qcom: sm8550: add special pins pins configuration data

Add the special pins configuration data to allow setup the bias
of the UFS and SDCard pins on the SM8550 SoC.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>

diff --git a/drivers/pinctrl/qcom/pinctrl-sm8550.c b/drivers/pinctrl/qcom/pinctrl-sm8550.c
index 7265cb734044a6b1258baa688bdc04cfa6032895..c65dfe0435eb6d72e1033fcb151114b7671bd537 100644 (file)
--- a/drivers/pinctrl/qcom/pinctrl-sm8550.c
+++ b/drivers/pinctrl/qcom/pinctrl-sm8550.c
@@ -18,6 +18,37 @@ static const struct pinctrl_function msm_pinctrl_functions[] = {
        {"gpio", 0},
 };
 
+#define SDC_QDSD_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, ctl, io)                    \
+       {                                               \
+               .name = pg_name,                        \
+               .ctl_reg = ctl,                         \
+               .io_reg = io,                           \
+               .pull_bit = 3,                          \
+               .drv_bit = 0,                           \
+               .oe_bit = -1,                           \
+               .in_bit = -1,                           \
+               .out_bit = 0,                           \
+       }
+
+static const struct msm_special_pin_data msm_special_pins_data[] = {
+       [0] = UFS_RESET("ufs_reset", 0xde000, 0xde004),
+       [1] = SDC_QDSD_PINGROUP("sdc2_clk", 0xd6000, 14, 6),
+       [2] = SDC_QDSD_PINGROUP("sdc2_cmd", 0xd6000, 11, 3),
+       [3] = SDC_QDSD_PINGROUP("sdc2_data", 0xd6000, 9, 0),
+};
+
 static const char *sm8550_get_function_name(struct udevice *dev,
                                                 unsigned int selector)
 {
@@ -27,15 +58,9 @@ static const char *sm8550_get_function_name(struct udevice *dev,
 static const char *sm8550_get_pin_name(struct udevice *dev,
                                        unsigned int selector)
 {
-       static const char *special_pins_names[] = {
-               "ufs_reset",
-               "sdc2_clk",
-               "sdc2_cmd",
-               "sdc2_data",
-       };
-
        if (selector >= 210 && selector <= 213)
-               snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 210]);
+               snprintf(pin_name, MAX_PIN_NAME_LEN,
+                        msm_special_pins_data[selector - 210].name);
        else
                snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
 
@@ -52,6 +77,7 @@ static struct msm_pinctrl_data sm8550_data = {
        .pin_data = {
                .pin_count = 214,
                .special_pins_start = 210,
+               .special_pins_data = msm_special_pins_data,
        },
        .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
        .get_function_name = sm8550_get_function_name,