linux-kernel - [PATCH v3 4/4] arm64: dts: actions: s700-cubieboard7: Enable I2C0 and I2C1

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Date:   Tue, 11 Dec 2018 09:04:48 +0100
From:   Parthiban Nallathambi <pn@...x.de>
To:     manivannan.sadhasivam@...aro.org, afaerber@...e.de,
        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,
        linux-actions@...ts.infradead.org,
        Parthiban Nallathambi <pn@...x.de>
Subject: [PATCH v3 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..63e375cd9eb4 100644
--- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
+++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
@@ -30,6 +30,59 @@
 	};
 };
 
+&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;
+		};
+	};
+};
+
 &timer {
 	clocks = <&hosc>;
 };
-- 
2.17.2