Re: [PATCH v8 09/18] arm64: dts: qcom: x1e80100: Add CCI definitions

[Christopher Obbard <christopher.obbard@linaro.org>]

Hi Bryan,

On Wed, 2026-02-25 at 15:11 +0000, Bryan O'Donoghue wrote:
> Add in two CCI buses.
> 
> One bus has two CCI bus master pinouts:
> cci_i2c_sda0 = gpio101
> cci_i2c_scl0 = gpio102
> 
> cci_i2c_sda1 = gpio103
> cci_i2c_scl1 = gpio104
> 
> The second bus has two CCI bus master pinouts:
> cci_i2c_sda2 = gpio105
> cci_i2c_scl2 = gpio106
> 
> aon_cci_i2c_sda3 = gpio235
> aon_cci_i2c_scl3 = gpio236
> 
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---

Reviewed-by: Christopher Obbard <christopher.obbard@linaro.org>
Tested-by: Christopher Obbard <christopher.obbard@linaro.org>

>  arch/arm64/boot/dts/qcom/hamoa.dtsi | 149 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 149 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> index f96411f481305..38f9da6ad9ca5 100644
> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> @@ -5465,6 +5465,83 @@ videocc: clock-controller@aaf0000 {
>  			#power-domain-cells = <1>;
>  		};
>  
> +		cci0: cci@ac15000 {
> +			compatible = "qcom,x1e80100-cci", "qcom,msm8996-cci";
> +			reg = <0 0x0ac15000 0 0x1000>;
> +
> +			interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
> +
> +			clocks = <&camcc CAM_CC_CAMNOC_AXI_RT_CLK>,
> +				 <&camcc CAM_CC_CPAS_AHB_CLK>,
> +				 <&camcc CAM_CC_CCI_0_CLK>;
> +			clock-names = "camnoc_axi",
> +				      "cpas_ahb",
> +				      "cci";
> +
> +			power-domains = <&camcc CAM_CC_TITAN_TOP_GDSC>;
> +
> +			pinctrl-0 = <&cci0_default>;
> +			pinctrl-1 = <&cci0_sleep>;
> +			pinctrl-names = "default", "sleep";
> +
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			status = "disabled";
> +
> +			cci0_i2c0: i2c-bus@0 {
> +				reg = <0>;
> +				clock-frequency = <1000000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +
> +			cci0_i2c1: i2c-bus@1 {
> +				reg = <1>;
> +				clock-frequency = <1000000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +		};
> +
> +		cci1: cci@ac16000 {
> +			compatible = "qcom,x1e80100-cci", "qcom,msm8996-cci";
> +			reg = <0 0x0ac16000 0 0x1000>;
> +
> +			interrupts = <GIC_SPI 271 IRQ_TYPE_EDGE_RISING>;
> +
> +			clocks = <&camcc CAM_CC_CAMNOC_AXI_RT_CLK>,
> +				 <&camcc CAM_CC_CPAS_AHB_CLK>,
> +				 <&camcc CAM_CC_CCI_1_CLK>;
> +			clock-names = "camnoc_axi",
> +				      "cpas_ahb",
> +				      "cci";
> +
> +			power-domains = <&camcc CAM_CC_TITAN_TOP_GDSC>;
> +
> +			pinctrl-0 = <&cci1_default>;
> +			pinctrl-1 = <&cci1_sleep>;
> +			pinctrl-names = "default", "sleep";
> +
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			status = "disabled";
> +
> +			cci1_i2c0: i2c-bus@0 {
> +				reg = <0>;
> +				clock-frequency = <1000000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +
> +			cci1_i2c1: i2c-bus@1 {
> +				reg = <1>;
> +				clock-frequency = <1000000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
> +		};
>  
>  		camcc: clock-controller@ade0000 {
>  			compatible = "qcom,x1e80100-camcc";
> @@ -6116,6 +6193,78 @@ tlmm: pinctrl@f100000 {
>  			gpio-ranges = <&tlmm 0 0 239>;
>  			wakeup-parent = <&pdc>;
>  
> +			cci0_default: cci0-default-state {
> +				cci0_i2c0_default: cci0-i2c0-default-pins {
> +					/* cci_i2c_sda0, cci_i2c_scl0 */
> +					pins = "gpio101", "gpio102";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-up;
> +				};
> +
> +				cci0_i2c1_default: cci0-i2c1-default-pins {
> +					/* cci_i2c_sda1, cci_i2c_scl1 */
> +					pins = "gpio103", "gpio104";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-up;
> +				};
> +			};
> +
> +			cci0_sleep: cci0-sleep-state {
> +				cci0_i2c0_sleep: cci0-i2c0-sleep-pins {
> +					/* cci_i2c_sda0, cci_i2c_scl0 */
> +					pins = "gpio101", "gpio102";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-down;
> +				};
> +
> +				cci0_i2c1_sleep: cci0-i2c1-sleep-pins {
> +					/* cci_i2c_sda1, cci_i2c_scl1 */
> +					pins = "gpio103", "gpio104";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-down;
> +				};
> +			};
> +
> +			cci1_default: cci1-default-state {
> +				cci1_i2c0_default: cci1-i2c0-default-pins {
> +					/* cci_i2c_sda2, cci_i2c_scl2 */
> +					pins = "gpio105", "gpio106";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-up;
> +				};
> +
> +				cci1_i2c1_default: cci1-i2c1-default-pins {
> +					/* aon_cci_i2c_sda3, aon_cci_i2c_scl3 */
> +					pins = "gpio235", "gpio236";
> +					function = "aon_cci";
> +					drive-strength = <2>;
> +					bias-pull-up;
> +				};
> +			};
> +
> +			cci1_sleep: cci1-sleep-state {
> +				cci1_i2c0_sleep: cci1-i2c0-sleep-pins {
> +					/* cci_i2c_sda2, cci_i2c_scl2 */
> +					pins = "gpio105", "gpio106";
> +					function = "cci_i2c";
> +					drive-strength = <2>;
> +					bias-pull-down;
> +				};
> +
> +				cci1_i2c1_sleep: cci1-i2c1-sleep-pins {
> +					/* aon_cci_i2c_sda3, aon_cci_i2c_scl3 */
> +					pins = "gpio235", "gpio236";
> +					function = "aon_cci";
> +					drive-strength = <2>;
> +					bias-pull-down;
> +				};
> +			};
> +
>  			edp0_hpd_default: edp0-hpd-default-state {
>  				pins = "gpio119";
>  				function = "edp0_hot";