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 b4dfb01fe6fbbc695dd9e20b0f8fa9991969070b..47370494d0f84ecf2cec66f4cd9ca22beb4f1269 100644 (file)
--- 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 69dca2aca25ab0e80634c39bf2e790a21cb8ee6d..e265ec16a7879b013639821e2a7b2db56aa57989 100644 (file)
--- 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>;
+               };
        };
 };