pinctrl: qcom: add infrastructure for marking pin functions as GPIOs

Add a helper macro that wraps PINCTRL_GPIO_PINFUNCTION() for pinctrl-msm
pin functions and assign the .function_is_gpio() callback in pinmux_ops.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 96e40c2..a5f6946 100644 (file)
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -265,6 +265,7 @@ static const struct pinmux_ops msm_pinmux_ops = {
        .get_functions_count    = pinmux_generic_get_function_count,
        .get_function_name      = pinmux_generic_get_function_name,
        .get_function_groups    = pinmux_generic_get_function_groups,
+       .function_is_gpio       = pinmux_generic_function_is_gpio,
        .gpio_request_enable    = msm_pinmux_request_gpio,
        .set_mux                = msm_pinmux_set_mux,
 };

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h
index d7dc094..4625fa5 100644 (file)
--- a/drivers/pinctrl/qcom/pinctrl-msm.h
+++ b/drivers/pinctrl/qcom/pinctrl-msm.h
@@ -29,6 +29,11 @@ struct pinctrl_pin_desc;
                                        fname##_groups,         \
                                        ARRAY_SIZE(fname##_groups))
 
+#define MSM_GPIO_PIN_FUNCTION(fname)                           \
+       [msm_mux_##fname] = PINCTRL_GPIO_PINFUNCTION(#fname,    \
+                                       fname##_groups,         \
+                                       ARRAY_SIZE(fname##_groups))
+
 #define QCA_PIN_FUNCTION(fname)                                        \
        [qca_mux_##fname] = PINCTRL_PINFUNCTION(#fname,         \
                                        fname##_groups,         \