Thread (25 messages) 25 messages, 8 authors, 2026-01-07

Re: [PATCH v2 2/4] arm64: dts: qcom: talos: Add CCI definitions

From: Dmitry Baryshkov <hidden>
Date: 2026-01-06 18:27:57
Also in: linux-arm-msm, linux-i2c, linux-media, lkml

On Tue, Jan 06, 2026 at 05:39:54PM +0800, Wenmeng Liu wrote:
quoted hunk ↗ jump to hunk
Qualcomm Talos SoC contains single controller,
containing 2 I2C hosts.

Signed-off-by: Wenmeng Liu <redacted>
---
 arch/arm64/boot/dts/qcom/talos.dtsi | 72 +++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index e1dfaff9b6bf8641b19a685e74d60ad4e1e99d41..461a39968d928260828993ff3549aa15fd1870df 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -1549,6 +1549,42 @@ tlmm: pinctrl@3100000 {
 			#interrupt-cells = <2>;
 			wakeup-parent = <&pdc>;
 
+			cci_default: cci0-default-state {
+				cci_i2c0_default: cci-i2c0-default-pins {
These need to be split, having just one host per state.
+					/* SDA, SCL */
+					pins = "gpio32", "gpio33";
+					function = "cci_i2c";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				cci_i2c1_default: cci-i2c1-default-pins {
+					/* SDA, SCL */
+					pins = "gpio34", "gpio35";
+					function = "cci_i2c";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
+			cci_sleep: cci-sleep-state {
+				cci_i2c0_sleep: cci-i2c0-sleep-state {
The same
quoted hunk ↗ jump to hunk
+					/* SDA, SCL */
+					pins = "gpio32", "gpio33";
+					function = "cci_i2c";
+					drive-strength = <2>;
+					bias-pull-down;
+				};
+
+				cci_i2c1_sleep: cci-i2c1-sleep-state {
+					/* SDA, SCL */
+					pins = "gpio34", "gpio35";
+					function = "cci_i2c";
+					drive-strength = <2>;
+					bias-pull-down;
+				};
+			};
+
 			qup_i2c1_data_clk: qup-i2c1-data-clk-state {
 				pins = "gpio4", "gpio5";
 				function = "qup0";
@@ -3785,6 +3821,42 @@ videocc: clock-controller@ab00000 {
 			#power-domain-cells = <1>;
 		};
 
+		cci: cci@ac4a000 {
+			compatible = "qcom,sm6150-cci", "qcom,msm8996-cci";
+
+			reg = <0x0 0x0ac4a000  0x0 0x4000>;
Extra double space.
+			interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
+			power-domains = <&camcc TITAN_TOP_GDSC>;
+			clocks = <&camcc CAM_CC_SOC_AHB_CLK>,
+				 <&camcc CAM_CC_CPAS_AHB_CLK>,
+				 <&camcc CAM_CC_CCI_CLK>;
+			clock-names = "soc_ahb",
+				      "cpas_ahb",
+				      "cci";
+			pinctrl-0 = <&cci_default>;
+			pinctrl-1 = <&cci_sleep>;
+			pinctrl-names = "default", "sleep";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+
+			cci_i2c0: i2c-bus@0 {
+				reg = <0>;
+				clock-frequency = <1000000>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			cci_i2c1: i2c-bus@1 {
+				reg = <1>;
+				clock-frequency = <1000000>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		camss: isp@acb3000 {
 			compatible = "qcom,sm6150-camss";
 

-- 
2.34.1
-- 
With best wishes
Dmitry
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