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 <[email protected]> --- arch/arm/boot/dts/qcom-apq8074-dragonboard.dts | 21 +++++++++++++++++++++ arch/arm/boot/dts/qcom-msm8974.dtsi | 15 +++++++++++++-- 2 files changed, 34 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts index b4dfb01..4737049 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 69dca2a..e265ec1 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>; + }; }; }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
