pinctrl: meson: add pinconf support
Adding pinconf support is necessary to enable boot from SPI
without breaking the eMMC. When booting from SPI, the ROM code
leave pull downs on the eMMC pad.
We need to set pinconf provided in DT to solve this
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[narmstrong: added missing comma in pinctrl-meson-axg-pmx.c]
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gx-pmx.c b/drivers/pinctrl/meson/pinctrl-meson-gx-pmx.c
index fc1538e..cf72576 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gx-pmx.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gx-pmx.c
@@ -72,6 +72,12 @@
return 0;
}
+const struct pinconf_param meson_gx_pinconf_params[] = {
+ { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
+ { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 },
+ { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 },
+};
+
const struct pinctrl_ops meson_gx_pinctrl_ops = {
.get_groups_count = meson_pinctrl_get_groups_count,
.get_group_name = meson_pinctrl_get_group_name,
@@ -79,6 +85,10 @@
.get_function_name = meson_pinmux_get_function_name,
.pinmux_group_set = meson_gx_pinmux_group_set,
.set_state = pinctrl_generic_set_state,
+ .pinconf_params = meson_gx_pinconf_params,
+ .pinconf_num_params = ARRAY_SIZE(meson_gx_pinconf_params),
+ .pinconf_set = meson_pinconf_set,
+ .pinconf_group_set = meson_pinconf_group_set,
};
static const struct dm_gpio_ops meson_gx_gpio_ops = {