Re: [PATCH v2 3/3] arm64: dts: qcom: sm8250: camss: Add CCI definitions

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Hi Bryan,

On 4/14/22 02:17, Bryan O'Donoghue wrote:
sm8250 has two CCI busses with two I2C busses apiece.

Co-developed-by: Julian Grahsl <jgrahsl@xxxxxxxx>
Signed-off-by: Julian Grahsl <jgrahsl@xxxxxxxx>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sm8250.dtsi | 162 +++++++++++++++++++++++++++
  1 file changed, 162 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index c69a8a88657a..a05ad923bcab 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -3150,6 +3150,88 @@ videocc: clock-controller@abf0000 {
  			#power-domain-cells = <1>;
  		};
+ cci0: cci@ac4f000 {
+			compatible = "qcom,sm8250-cci";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			reg = <0 0x0ac4f000 0 0x1000>;
+			interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
+			power-domains = <&camcc TITAN_TOP_GDSC>;
+
+			clocks = <&camcc CAM_CC_CAMNOC_AXI_CLK>,
+				 <&camcc CAM_CC_SLOW_AHB_CLK_SRC>,
+				 <&camcc CAM_CC_CPAS_AHB_CLK>,
+				 <&camcc CAM_CC_CCI_0_CLK>,
+				 <&camcc CAM_CC_CCI_0_CLK_SRC>;
+			clock-names = "camnoc_axi",
+				      "slow_ahb_src",
+				      "cpas_ahb",
+				      "cci",
+				      "cci_src";
+
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&cci0_default>;
+			pinctrl-1 = <&cci0_sleep>;
+

like as anywhere else it might be better to place 'pinctrl-names' after the
'pinctrl-*' properties.

+			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@ac50000 {
+			compatible = "qcom,sm8250-cci";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			reg = <0 0x0ac50000 0 0x1000>;
+			interrupts = <GIC_SPI 271 IRQ_TYPE_EDGE_RISING>;
+			power-domains = <&camcc TITAN_TOP_GDSC>;
+
+			clocks = <&camcc CAM_CC_CAMNOC_AXI_CLK>,
+				 <&camcc CAM_CC_SLOW_AHB_CLK_SRC>,
+				 <&camcc CAM_CC_CPAS_AHB_CLK>,
+				 <&camcc CAM_CC_CCI_1_CLK>,
+				 <&camcc CAM_CC_CCI_1_CLK_SRC>;
+			clock-names = "camnoc_axi",
+				      "slow_ahb_src",
+				      "cpas_ahb",
+				      "cci",
+				      "cci_src";
+
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&cci1_default>;
+			pinctrl-1 = <&cci1_sleep>;
+
+			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>;
+			};
+		};
+
  		camss: camss@ac6a000 {
  			compatible = "qcom,sm8250-camss";
  			status = "disabled";
@@ -3687,6 +3769,86 @@ tlmm: pinctrl@f100000 {
  			gpio-ranges = <&tlmm 0 0 181>;
  			wakeup-parent = <&pdc>;
+ cci0_default: cci0-default {
+				cci0_i2c0_default: cci0-i2c0-default {
+					/* SDA, SCL */
+					pins = "gpio101", "gpio102";
+					function = "cci_i2c";
+
+					bias-pull-up;
+					drive-strength = <2>; /* 2 mA */
+				};
+
+				cci0_i2c1_default: cci0-i2c1-default {
+					/* SDA, SCL */
+					pins = "gpio103", "gpio104";
+					function = "cci_i2c";
+
+					bias-pull-up;
+					drive-strength = <2>; /* 2 mA */
+				};
+			};
+
+			cci0_sleep: cci0-sleep {
+				cci0_i2c0_sleep: cci0-i2c0-sleep {
+					/* SDA, SCL */
+					pins = "gpio101", "gpio102";
+					function = "cci_i2c";
+
+					drive-strength = <2>; /* 2 mA */
+					bias-pull-down;
+				};
+
+				cci0_i2c1_sleep: cci0-i2c1-sleep {
+					/* SDA, SCL */
+					pins = "gpio103", "gpio104";
+					function = "cci_i2c";
+
+					drive-strength = <2>; /* 2 mA */
+					bias-pull-down;
+				};
+			};
+
+			cci1_default: cci1-default {
+				cci1_i2c0_default: cci1-i2c0-default {
+					/* SDA, SCL */
+					pins = "gpio105","gpio106";
+					function = "cci_i2c";
+
+					bias-pull-up;
+					drive-strength = <2>; /* 2 mA */
+				};
+
+				cci1_i2c1_default: cci1-i2c1-default {
+					/* SDA, SCL */
+					pins = "gpio107","gpio108";
+					function = "cci_i2c";
+
+					bias-pull-up;
+					drive-strength = <2>; /* 2 mA */
+				};
+			};
+
+			cci1_sleep: cci1-sleep {
+				cci1_i2c0_sleep: cci1-i2c0-sleep {
+					/* SDA, SCL */
+					pins = "gpio105","gpio106";
+					function = "cci_i2c";
+
+					bias-pull-down;
+					drive-strength = <2>; /* 2 mA */
+				};
+
+				cci1_i2c1_sleep: cci1-i2c1-sleep {
+					/* SDA, SCL */
+					pins = "gpio107","gpio108";
+					function = "cci_i2c";
+
+					bias-pull-down;
+					drive-strength = <2>; /* 2 mA */
+				};
+			};
+
  			pri_mi2s_active: pri-mi2s-active {
  				sclk {
  					pins = "gpio138";

Please feel free to add my

Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx>

--
Best wishes,
Vladimir



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