linux-kernel - [PATCH 4/6] arm64: dts: ti: k3-am68-sk-som: Enable wakeup

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Message-ID: <20230602153554.1571128-5-nm@ti.com>
Date:   Fri, 2 Jun 2023 10:35:52 -0500
From:   Nishanth Menon <nm@...com>
To:     Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tero Kristo <kristo@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, Nishanth Menon <nm@...com>,
        Udit Kumar <u-kumar1@...com>, Nitin Yadav <n-yadav@...com>,
        Neha Malcom Francis <n-francis@...com>,
        Sinthu Raja <sinthu.raja@...com>
Subject: [PATCH 4/6] arm64: dts: ti: k3-am68-sk-som: Enable wakeup_i2c0 and eeprom

Enable wakeup_i2c. While at it, describe the board detection eeprom
present on the board.

Signed-off-by: Nishanth Menon <nm@...com>
---
new patch

 arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
index e92431250729..e2c80fff7478 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi
@@ -27,3 +27,25 @@ secure_ddr: optee@...00000 {
 		};
 	};
 };
+
+&wkup_pmx2 {
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x098, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */
+			J721S2_WKUP_IOPAD(0x09c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */
+		>;
+	};
+};
+
+&wkup_i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	eeprom@51 {
+		/* AT24C512C-MAHM-T */
+		compatible = "atmel,24c512";
+		reg = <0x51>;
+	};
+};
-- 
2.40.0