From 4ab2f41b0850768716c446461653178372bcd35c Mon Sep 17 00:00:00 2001
From: Rayyan Ansari <rayyan@ansari.sh>
Date: Sun, 2 Oct 2022 15:28:57 +0300
Subject: [PATCH] ARM: dts: qcom: msm8226: Add CCI bus
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Add a node for the Camera Control Interface I2C bus found on MSM8226.

Signed-off-by: Rayyan Ansari <rayyan@ansari.sh>
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221002122859.75525-6-matti.lehtimaki@gmail.com
---
 arch/arm/boot/dts/qcom-msm8226.dtsi | 44 +++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-msm8226.dtsi b/arch/arm/boot/dts/qcom-msm8226.dtsi
index 70cea14..81f30b6 100644
--- a/arch/arm/boot/dts/qcom-msm8226.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8226.dtsi
@@ -7,6 +7,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-msm8974.h>
+#include <dt-bindings/clock/qcom,mmcc-msm8974.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/reset/qcom,gcc-msm8974.h>
@@ -298,6 +299,33 @@
 			#size-cells = <0>;
 		};
 
+		cci: cci@fda0c000 {
+			compatible = "qcom,msm8226-cci";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xfda0c000 0x1000>;
+			interrupts = <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>;
+			clocks = <&mmcc CAMSS_TOP_AHB_CLK>,
+				 <&mmcc CAMSS_CCI_CCI_AHB_CLK>,
+				 <&mmcc CAMSS_CCI_CCI_CLK>;
+			clock-names = "camss_top_ahb",
+				      "cci_ahb",
+				      "cci";
+
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&cci_default>;
+			pinctrl-1 = <&cci_sleep>;
+
+			status = "disabled";
+
+			cci_i2c0: i2c-bus@0 {
+				reg = <0>;
+				clock-frequency = <400000>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
 		usb: usb@f9a55000 {
 			compatible = "qcom,ci-hdrc";
 			reg = <0xf9a55000 0x200>,
@@ -389,6 +417,22 @@
 				bias-disable;
 			};
 
+			cci_default: cci-default-state {
+				pins = "gpio29", "gpio30";
+				function = "cci_i2c0";
+
+				drive-strength = <2>;
+				bias-disable;
+			};
+
+			cci_sleep: cci-sleep-state {
+				pins = "gpio29", "gpio30";
+				function = "gpio";
+
+				drive-strength = <2>;
+				bias-disable;
+			};
+
 			sdhc1_default_state: sdhc1-default-state {
 				clk-pins {
 					pins = "sdc1_clk";
-- 
2.7.4