linux-kernel - [PATCH 2/2] arm64: dts: ti: k3-j784s4-evm: Add pinmux information for ADC

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Message-ID: <20230412100949.850513-3-b-kapoor@ti.com>
Date:   Wed, 12 Apr 2023 15:39:49 +0530
From:   Bhavya Kapoor <b-kapoor@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <b-kapoor@...com>, <linux-arm-kernel@...ts.infradead.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <robh+dt@...nel.org>,
        <kristo@...nel.org>, <vigneshr@...com>, <nm@...com>
Subject: [PATCH 2/2] arm64: dts: ti: k3-j784s4-evm: Add pinmux information for ADC

J784S4 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>
---
 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 44 ++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index f33815953e77..907a2153b41d 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -165,6 +165,32 @@ J784S4_WKUP_IOPAD(0x09c, PIN_OUTPUT, 0) /* (A36) MCU_MDIO0_MDC */
 			J784S4_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */
 		>;
 	};
+
+	mcu_adc0_pins_default: mcu-adc0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x134, PIN_INPUT, 0) /* (P36) MCU_ADC0_AIN0 */
+			J784S4_WKUP_IOPAD(0x138, PIN_INPUT, 0) /* (V36) MCU_ADC0_AIN1 */
+			J784S4_WKUP_IOPAD(0x13c, PIN_INPUT, 0) /* (T34) MCU_ADC0_AIN2 */
+			J784S4_WKUP_IOPAD(0x140, PIN_INPUT, 0) /* (T36) MCU_ADC0_AIN3 */
+			J784S4_WKUP_IOPAD(0x144, PIN_INPUT, 0) /* (P34) MCU_ADC0_AIN4 */
+			J784S4_WKUP_IOPAD(0x148, PIN_INPUT, 0) /* (R37) MCU_ADC0_AIN5 */
+			J784S4_WKUP_IOPAD(0x14c, PIN_INPUT, 0) /* (R33) MCU_ADC0_AIN6 */
+			J784S4_WKUP_IOPAD(0x150, PIN_INPUT, 0) /* (V38) MCU_ADC0_AIN7 */
+		>;
+	};
+
+	mcu_adc1_pins_default: mcu-adc1-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x154, PIN_INPUT, 0) /* (Y38) MCU_ADC1_AIN0 */
+			J784S4_WKUP_IOPAD(0x158, PIN_INPUT, 0) /* (Y34) MCU_ADC1_AIN1 */
+			J784S4_WKUP_IOPAD(0x15c, PIN_INPUT, 0) /* (V34) MCU_ADC1_AIN2 */
+			J784S4_WKUP_IOPAD(0x160, PIN_INPUT, 0) /* (W37) MCU_ADC1_AIN3 */
+			J784S4_WKUP_IOPAD(0x164, PIN_INPUT, 0) /* (AA37) MCU_ADC1_AIN4 */
+			J784S4_WKUP_IOPAD(0x168, PIN_INPUT, 0) /* (W33) MCU_ADC1_AIN5 */
+			J784S4_WKUP_IOPAD(0x16c, PIN_INPUT, 0) /* (U33) MCU_ADC1_AIN6 */
+			J784S4_WKUP_IOPAD(0x170, PIN_INPUT, 0) /* (Y36) MCU_ADC1_AIN7 */
+		>;
+	};
 };
 
 &main_uart8 {
@@ -253,3 +279,21 @@ &mcu_cpsw_port1 {
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&mcu_phy0>;
 };
+
+&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