linux-kernel - [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support

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Date:	Wed, 23 Mar 2016 19:48:10 +0000
From:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:	Andy Gross <andy.gross@...aro.org>, linux-arm-msm@...r.kernel.org
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-soc@...r.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 11/12] ARM: dts: dragonboard-600c: add i2c support

This patch adds nodes required to enable 4 i2c buses on the board which
are connected to various sensors and eeprom.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 .../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
index 4fecd94..942de04 100644
--- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
@@ -8,6 +8,10 @@
 	aliases {
 		serial0 = &gsbi7_serial;
 		serial1 = &gsbi1_serial;
+		i2c0 = &gsbi2_i2c;
+		i2c1 = &gsbi3_i2c;
+		i2c2 = &gsbi4_i2c;
+		i2c3 = &gsbi7_i2c;
 	};
 
 	regulators {
@@ -180,6 +184,42 @@
 			};
 		};
 
+		gsbi@...80000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C>;
+			i2c@...a0000 {
+				/* On Low speed expansion and Sensors */
+				label = "LS-I2C0";
+				status = "okay";
+			};
+		};
+
+		gsbi@...00000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C>;
+			i2c@...80000 {
+			/* On Low speed expansion */
+				status = "okay";
+				label = "LS-I2C1";
+				clock-frequency = <200000>;
+				eeprom@52 {
+					compatible = "atmel,24c128";
+					reg = <0x52>;
+					pagesize = <64>;
+				};
+			};
+		};
+
+		gsbi@...00000 {
+			status = "okay";
+			qcom,mode = <GSBI_PROT_I2C>;
+			i2c@...80000 {
+				/* On High speed expansion */
+				label = "HS-CAM-I2C3";
+				status = "okay";
+			};
+		};
+
 		/* DEBUG UART  */
 		gsbi@...00000 {
 			status = "okay";
@@ -190,6 +230,12 @@
 				pinctrl-names = "default";
 				pinctrl-0 = <&gsbi7_uart_2pins>;
 			};
+
+			i2c@...80000 {
+				/* On High speed expansion */
+				status = "okay";
+				label = "HS-CAM-I2C2";
+			};
 		};
 
 		leds {
-- 
2.5.0