pinctrl: Add support for PM8916 GPIO's and MPP's

Add compatible string definitions and supported pin functions.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,pmic-gpio.txt

@@ -10,6 +10,7 @@ PMIC's from Qualcomm.
 		    "qcom,pm8018-gpio"
 		    "qcom,pm8038-gpio"
 		    "qcom,pm8058-gpio"
+		    "qcom,pm8916-gpio"
 		    "qcom,pm8917-gpio"
 		    "qcom,pm8921-gpio"
 		    "qcom,pm8941-gpio"
@@ -74,6 +75,7 @@ to specify in a pin configuration subnode:
 		    gpio1-gpio6 for pm8018
 		    gpio1-gpio12 for pm8038
 		    gpio1-gpio40 for pm8058
+		    gpio1-gpio4 for pm8916
 		    gpio1-gpio38 for pm8917
 		    gpio1-gpio44 for pm8921
 		    gpio1-gpio36 for pm8941

Documentation/devicetree/bindings/pinctrl/qcom,pmic-mpp.txt

@@ -8,6 +8,7 @@ of PMIC's from Qualcomm.
 	Value type: <string>
 	Definition: Should contain one of:
 		    "qcom,pm8841-mpp",
+		    "qcom,pm8916-mpp",
 		    "qcom,pm8941-mpp",
 		    "qcom,pma8084-mpp",
 
@@ -67,6 +68,7 @@ to specify in a pin configuration subnode:
 	Definition: List of MPP pins affected by the properties specified in
 		    this subnode.  Valid pins are:
 		    mpp1-mpp4 for pm8841
+		    mpp1-mpp4 for pm8916
 		    mpp1-mpp8 for pm8941
 		    mpp1-mpp4 for pma8084
 

drivers/pinctrl/qcom/pinctrl-spmi-gpio.c

@@ -810,6 +810,7 @@ static int pmic_gpio_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id pmic_gpio_of_match[] = {
+	{ .compatible = "qcom,pm8916-gpio" },	/* 4 GPIO's */
 	{ .compatible = "qcom,pm8941-gpio" },	/* 36 GPIO's */
 	{ .compatible = "qcom,pma8084-gpio" },	/* 22 GPIO's */
 	{ },

drivers/pinctrl/qcom/pinctrl-spmi-mpp.c

@@ -925,6 +925,7 @@ static int pmic_mpp_remove(struct platform_device *pdev)
 
 static const struct of_device_id pmic_mpp_of_match[] = {
 	{ .compatible = "qcom,pm8841-mpp" },	/* 4 MPP's */
+	{ .compatible = "qcom,pm8916-mpp" },	/* 4 MPP's */
 	{ .compatible = "qcom,pm8941-mpp" },	/* 8 MPP's */
 	{ .compatible = "qcom,pma8084-mpp" },	/* 8 MPP's */
 	{ },

include/dt-bindings/pinctrl/qcom,pmic-gpio.h

@@ -48,6 +48,14 @@
 #define PM8058_GPIO_L5			6
 #define PM8058_GPIO_L2			7
 
+/*
+ * Note: PM8916 GPIO1 and GPIO2 are supporting
+ * only L2(1.15V) and L5(1.8V) options
+ */
+#define PM8916_GPIO_VPH			0
+#define PM8916_GPIO_L2			2
+#define PM8916_GPIO_L5			3
+
 #define PM8917_GPIO_VPH			0
 #define PM8917_GPIO_S4			2
 #define PM8917_GPIO_L15			3
@@ -115,6 +123,13 @@
 #define PM8058_GPIO39_MP3_CLK		PMIC_GPIO_FUNC_FUNC1
 #define PM8058_GPIO40_EXT_BB_EN		PMIC_GPIO_FUNC_FUNC1
 
+#define PM8916_GPIO1_BAT_ALRM_OUT	PMIC_GPIO_FUNC_FUNC1
+#define PM8916_GPIO1_KEYP_DRV		PMIC_GPIO_FUNC_FUNC2
+#define PM8916_GPIO2_DIV_CLK		PMIC_GPIO_FUNC_FUNC1
+#define PM8916_GPIO2_SLEEP_CLK		PMIC_GPIO_FUNC_FUNC2
+#define PM8916_GPIO3_KEYP_DRV		PMIC_GPIO_FUNC_FUNC1
+#define PM8916_GPIO4_KEYP_DRV		PMIC_GPIO_FUNC_FUNC2
+
 #define PM8917_GPIO9_18_KEYP_DRV	PMIC_GPIO_FUNC_FUNC1
 #define PM8917_GPIO20_BAT_ALRM_OUT	PMIC_GPIO_FUNC_FUNC1
 #define PM8917_GPIO21_23_UART_TX	PMIC_GPIO_FUNC_FUNC2

include/dt-bindings/pinctrl/qcom,pmic-mpp.h

@@ -10,6 +10,10 @@
 #define PM8841_MPP_VPH			0
 #define PM8841_MPP_S3			2
 
+#define PM8916_MPP_VPH			0
+#define PM8916_MPP_L2			2
+#define PM8916_MPP_L5			3
+
 #define PM8941_MPP_VPH			0
 #define PM8941_MPP_L1			1
 #define PM8941_MPP_S3			2