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

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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>
This commit is contained in:
kiran.padwal@smartplayin.com 2014-09-16 17:15:38 +05:30 committed by Kumar Gala
parent edb81ca3bf
commit bf7f6b0432
2 changed files with 34 additions and 2 deletions
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21
arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
View file

@ -22,6 +22,13 @@ sdhci@f98a4900 {
pinctrl@fd510000 {
i2c11_pins: i2c11 {
mux {
pins = "gpio83", "gpio84";
function = "blsp_i2c11";
};
};
spi8_default: spi8_default {
mosi {
pins = "gpio45";
@ -41,5 +48,19 @@ clk {
};
};
};
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;
};
};
};
};

15
arch/arm/boot/dts/qcom-msm8974.dtsi
View file

@ -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 @@ msmgpio: pinctrl@fd510000 {
#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>;
};
};
};