[PATCH 2/4] arm64: dts: qcom: Add msm8916 I2C nodes.
From: Srinivas Kandagatla <hidden>
Date: 2015-10-08 11:19:35
Also in:
linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, arm/qualcomm support, the rest · Maintainers:
Bjorn Andersson, Konrad Dybcio, Linus Torvalds
This patch adds missing support for i2c0 and i2c6, this support is required to connect the i2c slaves on LS expansion on DB410c. Signed-off-by: Srinivas Kandagatla <redacted> --- arch/arm64/boot/dts/qcom/msm8916-pins.dtsi | 48 ++++++++++++++++++++++++++++++ arch/arm64/boot/dts/qcom/msm8916.dtsi | 31 +++++++++++++++++++ 2 files changed, 79 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
index a6105d7..49ec55a 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi@@ -265,6 +265,30 @@ }; }; + i2c2_default: i2c2_default { + pinmux { + function = "blsp_i2c2"; + pins = "gpio6", "gpio7"; + }; + pinconf { + pins = "gpio6", "gpio7"; + drive-strength = <2>; + bias-disable = <0>; + }; + }; + + i2c2_sleep: i2c2_sleep { + pinmux { + function = "gpio"; + pins = "gpio6", "gpio7"; + }; + pinconf { + pins = "gpio6", "gpio7"; + drive-strength = <2>; + bias-disable = <0>; + }; + }; + i2c4_default: i2c4_default { pinmux { function = "blsp_i2c4";
@@ -289,6 +313,30 @@ }; }; + i2c6_default: i2c6_default { + pinmux { + function = "blsp_i2c6"; + pins = "gpio22", "gpio23"; + }; + pinconf { + pins = "gpio22", "gpio23"; + drive-strength = <2>; + bias-disable = <0>; + }; + }; + + i2c6_sleep: i2c6_sleep { + pinmux { + function = "gpio"; + pins = "gpio22", "gpio23"; + }; + pinconf { + pins = "gpio22", "gpio23"; + drive-strength = <2>; + bias-disable = <0>; + }; + }; + sdhc2_cd_pin { sdc2_cd_on: cd_on { pinmux {
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 85f7bee..d49ac37 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi@@ -233,6 +233,22 @@ status = "disabled"; }; + /* BLSP1 QUP2 */ + blsp_i2c2: i2c at 78b6000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0x78b6000 0x1000>; + interrupts = <GIC_SPI 96 0>; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>; + clock-names = "iface", "core"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c2_default>; + pinctrl-1 = <&i2c2_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + blsp_i2c4: i2c at 78b8000 { compatible = "qcom,i2c-qup-v2.2.1"; reg = <0x78b8000 0x1000>;
@@ -248,6 +264,21 @@ status = "disabled"; }; + blsp_i2c6: i2c at 78ba000 { + compatible = "qcom,i2c-qup-v2.2.1"; + reg = <0x78ba000 0x1000>; + interrupts = <GIC_SPI 100 0>; + clocks = <&gcc GCC_BLSP1_AHB_CLK>, + <&gcc GCC_BLSP1_QUP6_I2C_APPS_CLK>; + clock-names = "iface", "core"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c6_default>; + pinctrl-1 = <&i2c6_sleep>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + sdhc_1: sdhci at 07824000 { compatible = "qcom,sdhci-msm-v4"; reg = <0x07824900 0x11c>, <0x07824000 0x800>;
--
1.9.1