linux-kernel - [PATCH v2 4/4] arm64: dts: actions: s700-cubieboard7: Enable I2C0 and I2C1

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Message-Id: <20181126185821.2480449-5-pn@denx.de>
Date:   Mon, 26 Nov 2018 19:58:21 +0100
From:   Parthiban Nallathambi <pn@...x.de>
To:     afaerber@...e.de, manivannan.sadhasivam@...aro.org,
        robh+dt@...nel.org, mark.rutland@....com, wsa@...-dreams.de
Cc:     linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux@...ietech.com, thomas.liau@...ions-semi.com,
        Parthiban Nallathambi <pn@...x.de>
Subject: [PATCH v2 4/4] arm64: dts: actions: s700-cubieboard7: Enable I2C0 and I2C1

Add pinctrl definitions for Actions Semiconductor S700 I2C controllers.
Pinctrl definitions are only available for I2C0, I2C1 and I2C2.
Enable I2C0 (PMIC), I2C1 (gyro, touchscreen) in cubieboard7.

Signed-off-by: Parthiban Nallathambi <pn@...x.de>
---
 .../boot/dts/actions/s700-cubieboard7.dts     | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
index 28f3f4a0f7f0..6a75fdd7ab42 100644
--- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
+++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
@@ -37,3 +37,56 @@
 &uart3 {
 	status = "okay";
 };
+
+&i2c0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_default>;
+};
+
+&i2c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_default>;
+};
+
+&i2c2 {
+	status = "disabled";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_default>;
+};
+
+&pinctrl {
+	i2c0_default: i2c0_default {
+		pinmux {
+			groups = "i2c0_mfp";
+			function = "i2c0";
+		};
+		pinconf {
+			pins = "i2c0_sclk", "i2c0_sdata";
+			bias-pull-up;
+		};
+	};
+
+	i2c1_default: i2c1_default {
+		pinmux {
+			groups = "i2c1_dummy";
+			function = "i2c1";
+		};
+		pinconf {
+			pins = "i2c1_sclk", "i2c1_sdata";
+			bias-pull-up;
+		};
+	};
+
+	i2c2_default: i2c2_default {
+		pinmux {
+			groups = "i2c2_dummy";
+			function = "i2c2";
+		};
+		pinconf {
+			pins = "i2c2_sclk", "i2c2_sdata";
+			bias-pull-up;
+		};
+	};
+};
-- 
2.17.2