On Sun 26 Apr 07:06 PDT 2020, Stephan Gerhold wrote:
> MSM8916 has another I2C QUP controller that can be enabled on
> GPIO 18 and 19.
>
> Add blsp_i2c5 to msm8916.dtsi and disable it by default.
>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
> ---
> Most MSM8916 smartphones/tablets have a touchscreen
> connected to blsp_i2c5.
> ---
> arch/arm64/boot/dts/qcom/msm8916-pins.dtsi | 24 ++++++++++++++++++++++
> arch/arm64/boot/dts/qcom/msm8916.dtsi | 15 ++++++++++++++
> 2 files changed, 39 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
> index b45fd12856ea..31886860766a 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
> @@ -334,6 +334,30 @@ pinconf {
> };
> };
>
> + i2c5_default: i2c5_default {
> + pinmux {
> + function = "blsp_i2c5";
> + pins = "gpio18", "gpio19";
> + };
> + pinconf {
> + pins = "gpio18", "gpio19";
> + drive-strength = <2>;
> + bias-disable;
> + };
> + };
> +
> + i2c5_sleep: i2c5_sleep {
> + pinmux {
> + function = "gpio";
> + pins = "gpio18", "gpio19";
> + };
> + pinconf {
> + pins = "gpio18", "gpio19";
> + drive-strength = <2>;
> + bias-disable;
> + };
> + };
> +
> i2c6_default: i2c6_default {
> pinmux {
> function = "blsp_i2c6";
> diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> index 6ab7cabde370..57ab5573a2d2 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
> @@ -657,6 +657,21 @@ blsp_i2c4: i2c@78b8000 {
> status = "disabled";
> };
>
> + blsp_i2c5: i2c@78b9000 {
> + compatible = "qcom,i2c-qup-v2.2.1";
> + reg = <0x078b9000 0x500>;
> + interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&gcc GCC_BLSP1_AHB_CLK>,
> + <&gcc GCC_BLSP1_QUP5_I2C_APPS_CLK>;
> + clock-names = "iface", "core";
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&i2c5_default>;
> + pinctrl-1 = <&i2c5_sleep>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "disabled";
> + };
> +
> blsp_i2c6: i2c@78ba000 {
> compatible = "qcom,i2c-qup-v2.2.1";
> reg = <0x078ba000 0x500>;
> --
> 2.26.2
>
