thermal: rockchip: add pinctrl control

Based on the TSADC Tshut mode to select pinctrl,
instead of setting pinctrl based on architecture
(Not depends on pinctrl setting by "init" or "default").
And it requires setting the tshut polarity before select pinctrl.

Change-Id: Iac9ca05073b0181ee13b0048d0c2a54204f82bca
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>

Documentation/devicetree/bindings/thermal/rockchip-thermal.txt

@@ -21,10 +21,10 @@ Required properties:
 	   See ../reset/reset.txt for details.
 - reset-names : Must include the name "tsadc-apb".
 - pinctrl-names : The pin control state names;
-- pinctrl-0 : The "init" pinctrl state, it will be set before device probe.
-- pinctrl-1 : The "default" pinctrl state, it will be set after reset the
-	      TSADC controller.
-- pinctrl-2 : The "sleep" pinctrl state, it will be in for suspend.
+- pinctrl-0 : The "gpio" pinctrl state, it will be set if tsadc via reset
+	      CRU when tshut.
+- pinctrl-1 : The "otpout" pinctrl state, it will be set if tsadc via set
+	      otpout_gpio when tshut.
 - #thermal-sensor-cells : Should be 1. See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml for a description.
 
 Optional properties:
@@ -43,10 +43,9 @@ tsadc: tsadc@ff280000 {
 	clock-names = "tsadc", "apb_pclk";
 	resets = <&cru SRST_TSADC>;
 	reset-names = "tsadc-apb";
-	pinctrl-names = "init", "default", "sleep";
-	pinctrl-0 = <&otp_gpio>;
+	pinctrl-names = "gpio", "otpout";
+	pinctrl-0 = <&otp_pin>;
 	pinctrl-1 = <&otp_out>;
-	pinctrl-2 = <&otp_gpio>;
 	#thermal-sensor-cells = <1>;
 	rockchip,hw-tshut-temp = <95000>;
 	rockchip,hw-tshut-mode = <0>;

arch/arm/boot/dts/rk322x.dtsi

@@ -520,10 +520,9 @@ tsadc: tsadc@11150000 {
 		assigned-clock-rates = <32768>;
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
-		pinctrl-names = "init", "default", "sleep";
+		pinctrl-names = "gpio", "otpout";
 		pinctrl-0 = <&otp_pin>;
 		pinctrl-1 = <&otp_out>;
-		pinctrl-2 = <&otp_pin>;
 		#thermal-sensor-cells = <0>;
 		rockchip,hw-tshut-temp = <95000>;
 		status = "disabled";

arch/arm/boot/dts/rk3288.dtsi

@@ -576,10 +576,9 @@ tsadc: tsadc@ff280000 {
 		clock-names = "tsadc", "apb_pclk";
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
-		pinctrl-names = "init", "default", "sleep";
+		pinctrl-names = "gpio", "otpout";
 		pinctrl-0 = <&otp_pin>;
 		pinctrl-1 = <&otp_out>;
-		pinctrl-2 = <&otp_pin>;
 		#thermal-sensor-cells = <1>;
 		rockchip,grf = <&grf>;
 		rockchip,hw-tshut-temp = <95000>;

arch/arm64/boot/dts/rockchip/rk3328.dtsi

@@ -552,10 +552,9 @@ tsadc: tsadc@ff250000 {
 		assigned-clock-rates = <50000>;
 		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
 		clock-names = "tsadc", "apb_pclk";
-		pinctrl-names = "init", "default", "sleep";
+		pinctrl-names = "gpio", "otpout";
 		pinctrl-0 = <&otp_pin>;
 		pinctrl-1 = <&otp_out>;
-		pinctrl-2 = <&otp_pin>;
 		resets = <&cru SRST_TSADC>;
 		reset-names = "tsadc-apb";
 		rockchip,grf = <&grf>;

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -864,10 +864,9 @@ tsadc: tsadc@ff260000 {
 		reset-names = "tsadc-apb";
 		rockchip,grf = <&grf>;
 		rockchip,hw-tshut-temp = <95000>;
-		pinctrl-names = "init", "default", "sleep";
+		pinctrl-names = "gpio", "otpout";
 		pinctrl-0 = <&otp_pin>;
 		pinctrl-1 = <&otp_out>;
-		pinctrl-2 = <&otp_pin>;
 		#thermal-sensor-cells = <1>;
 		status = "disabled";
 	};

drivers/thermal/rockchip_thermal.c

@@ -150,6 +150,9 @@ struct rockchip_thermal_sensor {
  * @tshut_temp: the hardware-controlled shutdown temperature value
  * @tshut_mode: the hardware-controlled shutdown mode (0:CRU 1:GPIO)
  * @tshut_polarity: the hardware-controlled active polarity (0:LOW 1:HIGH)
+ * @pinctrl: the pinctrl of tsadc
+ * @gpio_state: pinctrl select gpio function
+ * @otp_state: pinctrl select otp out function
  */
 struct rockchip_thermal_data {
 	const struct rockchip_tsadc_chip *chip;