linux-kernel - [PATCH v7 2/2] arm64: dts: ti: k3-j721s2-common-proc-board: Add pinmux information for ADC

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Date:   Thu, 16 Mar 2023 15:21:46 +0530
From:   Bhavya Kapoor <b-kapoor@...com>
To:     <devicetree@...r.kernel.org>, <robh+dt@...nel.org>
CC:     <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <b-kapoor@...com>
Subject: [PATCH v7 2/2] arm64: dts: ti: k3-j721s2-common-proc-board: Add pinmux information for ADC

J721s2 has two instances of 8 channel ADCs in MCU domain. Add pinmux
information for both ADC nodes.

Signed-off-by: Bhavya Kapoor <b-kapoor@...com>
---
 .../dts/ti/k3-j721s2-common-proc-board.dts    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index a7aa6cf08acd..b4b9edfe2d12 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -197,6 +197,32 @@ mcu_mcan1_gpio_pins_default: mcu-mcan1-gpio-pins-default {
 			J721S2_WKUP_IOPAD(0x0c8, PIN_INPUT, 7) /* (C28) WKUP_GPIO0_2 */
 		>;
 	};
+
+	mcu_adc0_pins_default: mcu-adc0-pins-default {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x134, PIN_INPUT, 0) /* (L25) MCU_ADC0_AIN0 */
+			J721S2_WKUP_IOPAD(0x138, PIN_INPUT, 0) /* (K25) MCU_ADC0_AIN1 */
+			J721S2_WKUP_IOPAD(0x13c, PIN_INPUT, 0) /* (M24) MCU_ADC0_AIN2 */
+			J721S2_WKUP_IOPAD(0x140, PIN_INPUT, 0) /* (L24) MCU_ADC0_AIN3 */
+			J721S2_WKUP_IOPAD(0x144, PIN_INPUT, 0) /* (L27) MCU_ADC0_AIN4 */
+			J721S2_WKUP_IOPAD(0x148, PIN_INPUT, 0) /* (K24) MCU_ADC0_AIN5 */
+			J721S2_WKUP_IOPAD(0x14c, PIN_INPUT, 0) /* (M27) MCU_ADC0_AIN6 */
+			J721S2_WKUP_IOPAD(0x150, PIN_INPUT, 0) /* (M26) MCU_ADC0_AIN7 */
+		>;
+	};
+
+	mcu_adc1_pins_default: mcu-adc1-pins-default {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x154, PIN_INPUT, 0) /* (P25) MCU_ADC1_AIN0 */
+			J721S2_WKUP_IOPAD(0x158, PIN_INPUT, 0) /* (R25) MCU_ADC1_AIN1 */
+			J721S2_WKUP_IOPAD(0x15c, PIN_INPUT, 0) /* (P28) MCU_ADC1_AIN2 */
+			J721S2_WKUP_IOPAD(0x160, PIN_INPUT, 0) /* (P27) MCU_ADC1_AIN3 */
+			J721S2_WKUP_IOPAD(0x164, PIN_INPUT, 0) /* (N25) MCU_ADC1_AIN4 */
+			J721S2_WKUP_IOPAD(0x168, PIN_INPUT, 0) /* (P26) MCU_ADC1_AIN5 */
+			J721S2_WKUP_IOPAD(0x16c, PIN_INPUT, 0) /* (N26) MCU_ADC1_AIN6 */
+			J721S2_WKUP_IOPAD(0x170, PIN_INPUT, 0) /* (N27) MCU_ADC1_AIN7 */
+		>;
+	};
 };
 
 &main_gpio2 {
@@ -309,3 +335,21 @@ &mcu_mcan1 {
 	pinctrl-0 = <&mcu_mcan1_pins_default>;
 	phys = <&transceiver2>;
 };
+
+&tscadc0 {
+	pinctrl-0 = <&mcu_adc0_pins_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	adc {
+		ti,adc-channels = <0 1 2 3 4 5 6 7>;
+	};
+};
+
+&tscadc1 {
+	pinctrl-0 = <&mcu_adc1_pins_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	adc {
+		ti,adc-channels = <0 1 2 3 4 5 6 7>;
+	};
+};
-- 
2.34.1