From 681cf47b6bc76af244934a5e4dc6e1aa26298903 Mon Sep 17 00:00:00 2001
From: Viken Dadhaniya <vdadhani@qti.qualcomm.com>
Date: Mon, 5 Sep 2022 11:18:44 +0530
Subject: [PATCH] ARM: dts: msm: Add i2c slave dtsi node

Add dtsi properties and pinctrl configuration
for I2C slave for cinder soc.

Change-Id: I9a628f61c999c06c3d0d0db15000003bcf16311e
---
 qcom/cinder-pinctrl.dtsi | 41 ++++++++++++++++++++++++++++++++++++++++
 qcom/cinder.dtsi         | 13 +++++++++++++
 2 files changed, 54 insertions(+)

diff --git a/qcom/cinder-pinctrl.dtsi b/qcom/cinder-pinctrl.dtsi
index e8beb101..2ac9ab1c 100644
--- a/qcom/cinder-pinctrl.dtsi
+++ b/qcom/cinder-pinctrl.dtsi
@@ -1976,4 +1976,45 @@
 			};
 		};
 	};
+
+	i2c_slave_pins: i2c_slave_pins {
+		i2c_slave_sda_active: i2c_slave_sda_active {
+			mux {
+				pins = "gpio132";
+				function = "smb_dat";
+			};
+
+			config {
+				pins = "gpio132";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		i2c_slave_scl_active: i2c_slave_scl_active {
+			mux {
+				pins = "gpio133";
+				function = "smb_clk";
+			};
+
+			config {
+				pins = "gpio133";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		i2c_slave_sleep: i2c_slave_sleep {
+			mux {
+				pins = "gpio132", "gpio133";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio132", "gpio133";
+				drive-strength = <2>;
+				bias-disable;
+			};
+		};
+	};
 };
diff --git a/qcom/cinder.dtsi b/qcom/cinder.dtsi
index 9c556c92..42526edb 100644
--- a/qcom/cinder.dtsi
+++ b/qcom/cinder.dtsi
@@ -1526,6 +1526,19 @@
 		clock-names = "xo", "alternate";
 		clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
 	};
+
+	i2c_slave: i2c_slave@88ca000 {
+		compatible = "qcom,i2c-slave";
+		reg = <0x088ca000 0x64>;
+		interrupt-names = "i2c_s_irq";
+		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+		clock-names = "sm_bus_xo_clk", "sm_bus_ahb_clk";
+		clocks = <&gcc GCC_SM_BUS_XO_CLK>, <&gcc GCC_SM_BUS_AHB_CLK>;
+		pinctrl-names = "default", "sleep";
+		pinctrl-0 = <&i2c_slave_sda_active>, <&i2c_slave_scl_active>;
+		pinctrl-1 = <&i2c_slave_sleep>;
+		status = "disabled";
+	};
 };
 
 &firmware {