From:   sabiya.d@mistralsolutions.com
To:     nm@ti.com, vigneshr@ti.com, kristo@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, linus.walleij@linaro.org
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, sabiya.d@mistralsolutions.com,
        Dasnavis Sabiya <sabiya.d@ti.com>
Subject: [PATCH 2/2] arm64: dts: ti: k3-am69-sk: Add pinmux for RPi Header
Date:   Thu, 16 Mar 2023 16:17:43 +0530
Message-Id: <20230316104743.482972-3-sabiya.d@ti.com>
In-Reply-To: <20230316104743.482972-1-sabiya.d@ti.com>
References: <20230316104743.482972-1-sabiya.d@ti.com>
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From: Dasnavis Sabiya <sabiya.d@ti.com>

Add pinmux required to bring out the i2c and gpios on 40 pin RPi
expansion header on AM69 SK board.

Signed-off-by: Dasnavis Sabiya <sabiya.d@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am69-sk.dts | 72 +++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index bc49ba534790..5d2d96a50921 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -104,6 +104,37 @@ vdd_sd_dv: regulator-tlv71033 {
 	};
 };
 
+&wkup_pmx0 {
+	mcu_i2c0_pins_default: mcu-i2c0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x108, PIN_INPUT_PULLUP, 0) /* (M35) MCU_I2C0_SCL */
+			J784S4_WKUP_IOPAD(0x10C, PIN_INPUT_PULLUP, 0) /* (G34) MCU_I2C0_SDA */
+		>;
+	};
+
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x100, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */
+			J784S4_WKUP_IOPAD(0x104, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */
+		>;
+	};
+
+	mcu_rpi_header_gpio0_pins_default: mcu-rpi-header-gpio0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_WKUP_IOPAD(0x190, PIN_INPUT, 7) /* (M33) WKUP_GPIO0_49 */
+			J784S4_WKUP_IOPAD(0x180, PIN_INPUT, 7) /* (N34) WKUP_GPIO0_66 */
+			J784S4_WKUP_IOPAD(0x0C4, PIN_INPUT, 7) /* (J34) WKUP_GPIO0_1 */
+			J784S4_WKUP_IOPAD(0x0C8, PIN_INPUT, 7) /* (J35) WKUP_GPIO0_2 */
+			J784S4_WKUP_IOPAD(0x0C0, PIN_INPUT, 7) /* (H38) WKUP_GPIO0_0 */
+			J784S4_WKUP_IOPAD(0x120, PIN_INPUT, 7) /* (M37) WKUP_GPIO0_56 */
+			J784S4_WKUP_IOPAD(0x17C, PIN_INPUT, 7) /* (M36) WKUP_GPIO0_57 */
+			J784S4_WKUP_IOPAD(0x0FC, PIN_INPUT, 7) /* (K37) WKUP_GPIO0_15 */
+			J784S4_WKUP_IOPAD(0x0CC, PIN_INPUT, 7) /* (J36) WKUP_GPIO0_3 */
+			J784S4_WKUP_IOPAD(0x184, PIN_INPUT, 7) /* (M34) WKUP_GPIO0_67 */
+		>;
+	};
+};
+
 &main_pmx0 {
 	main_uart8_pins_default: main-uart8-pins-default {
 		pinctrl-single,pins = <
@@ -137,6 +168,25 @@ vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
 			J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */
 		>;
 	};
+
+	rpi_header_gpio0_pins_default: rpi-header-gpio0-pins-default {
+		pinctrl-single,pins = <
+			J784S4_IOPAD(0x0BC, PIN_INPUT, 7) /* (AD33) MCASP1_AFSX.GPIO0_47 */
+			J784S4_IOPAD(0x06C, PIN_INPUT, 7) /* (AJ37) MCASP4_AFSX.GPIO0_27 */
+			J784S4_IOPAD(0x0B4, PIN_INPUT, 7) /* (AL34) MCASP1_AXR4.GPIO0_45 */
+			J784S4_IOPAD(0x0C0, PIN_INPUT, 7) /* (AD38) MCASP1_AXR0.GPIO0_48 */
+			J784S4_IOPAD(0x00C, PIN_INPUT, 7) /* (AF33) MCAN13_TX.GPIO0_3 */
+			J784S4_IOPAD(0x0B8, PIN_INPUT, 7) /* (AC34) MCASP1_ACLKX.GPIO0_46 */
+			J784S4_IOPAD(0x090, PIN_INPUT, 7) /* (AC35) MCASP0_AXR8.GPIO0_36 */
+			J784S4_IOPAD(0x0A8, PIN_INPUT, 7) /* (AF34) MCASP0_AXR14.GPIO0_42 */
+			J784S4_IOPAD(0x0A4, PIN_INPUT, 7) /* (AJ36) MCASP0_AXR13.GPIO0_41 */
+			J784S4_IOPAD(0x034, PIN_INPUT, 7) /* (AJ34) PMIC_WAKE0n.GPIO0_13 */
+			J784S4_IOPAD(0x0CC, PIN_INPUT, 7) /* (AM37) SPI0_CS0.GPIO0_51 */
+			J784S4_IOPAD(0x08C, PIN_INPUT, 7) /* (AE35) MCASP0_AXR7.GPIO0_35 */
+			J784S4_IOPAD(0x008, PIN_INPUT, 7) /* (AJ33) MCAN12_RX.GPIO0_2 */
+			J784S4_IOPAD(0x004, PIN_INPUT, 7) /* (AG36) MCAN12_TX.GPIO0_1 */
+		>;
+	};
 };
 
 &main_uart8 {
@@ -145,6 +195,20 @@ &main_uart8 {
 	pinctrl-0 = <&main_uart8_pins_default>;
 };
 
+&mcu_i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_i2c0_pins_default>;
+	clock-frequency = <400000>;
+};
+
+&wkup_i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+};
+
 &main_i2c0 {
 	status = "okay";
 	pinctrl-names = "default";
@@ -175,6 +239,14 @@ &main_sdhci1 {
 	vqmmc-supply = <&vdd_sd_dv>;
 };
 
+&wkup_gpio0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_rpi_header_gpio0_pins_default>;
+};
+
 &main_gpio0 {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rpi_header_gpio0_pins_default>;
 };
-- 
2.25.1