From: kiran.padwal@smartplayin.com <kiran.padwal@smartplayin.com>
Date: Tue, 16 Sep 2014 11:45:38 +0000 (+0530)
Subject: ARM: dts: qcom: Add I2C dt node for MSM8974 and DB8074 board
X-Git-Tag: firefly_0821_release~176^2~2992^2^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bf7f6b0432871cb68f3e3f4961a33cc6be05bc75;p=firefly-linux-kernel-4.4.55.git

ARM: dts: qcom: Add I2C dt node for MSM8974 and DB8074 board

Add support for i2c controller on the DB8074 board.  It also adds necessary
DT support for i2c eeprom which is present on DB8074 board.

Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
---

diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
index b4dfb01fe6fb..47370494d0f8 100644
--- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -22,6 +22,13 @@
 
 
 		pinctrl@fd510000 {
+			i2c11_pins: i2c11 {
+				mux {
+					pins = "gpio83", "gpio84";
+					function = "blsp_i2c11";
+				};
+			};
+
 			spi8_default: spi8_default {
 				mosi {
 					pins = "gpio45";
@@ -41,5 +48,19 @@
 				};
 			};
 		};
+
+		i2c@f9967000 {
+			status = "okay";
+			clock-frequency = <200000>;
+			pinctrl-0 = <&i2c11_pins>;
+			pinctrl-names = "default";
+
+			eeprom: eeprom@52 {
+				compatible = "atmel,24c128";
+				reg = <0x52>;
+				pagesize = <32>;
+				read-only;
+			};
+		};
 	};
 };
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
index 69dca2aca25a..e265ec16a787 100644
--- a/arch/arm/boot/dts/qcom-msm8974.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -1,8 +1,8 @@
 /dts-v1/;
 
-#include "skeleton.dtsi"
-
+#include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/clock/qcom,gcc-msm8974.h>
+#include "skeleton.dtsi"
 
 / {
 	model = "Qualcomm MSM8974";
@@ -236,5 +236,16 @@
 			#interrupt-cells = <2>;
 			interrupts = <0 208 0>;
 		};
+
+		blsp_i2c11: i2c@f9967000 {
+			status = "disable";
+			compatible = "qcom,i2c-qup-v2.1.1";
+			reg = <0xf9967000 0x1000>;
+			interrupts = <0 105 IRQ_TYPE_NONE>;
+			clocks = <&gcc GCC_BLSP2_QUP5_I2C_APPS_CLK>, <&gcc GCC_BLSP2_AHB_CLK>;
+			clock-names = "core", "iface";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
 	};
 };