linux-kernel - [PATCH 12/14] arm64: dts: qcom: Update msm8992 pin configuration

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Date:   Sun, 31 May 2020 19:28:02 +0200
From:   Konrad Dybcio <konradybcio@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Konrad Dybcio <konradybcio@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 12/14] arm64: dts: qcom: Update msm8992 pin configuration

Add support for i2c2 and i2c6 interfaces, wrap up
SDC pins into pmx_sdc groups (following msm8916).

Signed-off-by: Konrad Dybcio <konradybcio@...il.com>
---
 arch/arm64/boot/dts/qcom/msm8992-pins.dtsi | 149 ++++++++++++++++-----
 1 file changed, 118 insertions(+), 31 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
index c543c718c22d..17c9e048e414 100644
--- a/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992-pins.dtsi
@@ -32,59 +32,146 @@ pinconf {
 	/* Order of pins */
 	/* SDC1: CLK -> 0, CMD -> 1, DATA -> 2, RCLK -> 3 */
 	/* SDC2: CLK -> 4, CMD -> 5, DATA -> 6 */
-	sdc1_clk_on: clk-on {
-		pinconf {
-			pins = "sdc1_clk";
-			bias-disable = <0>; /* No pull */
-			drive-strength = <16>; /* 16mA */
+
+	pmx_sdc1_clk {
+		sdc1_clk_on: clk-on {
+			pinmux {
+				pins = "sdc1_clk";
+			};
+			pinconf {
+				pins = "sdc1_clk";
+				bias-disable; /* No pull */
+				drive-strength = <6>; 
+			};
+		};
+
+		sdc1_clk_off: clk-off {
+			pinmux {
+				pins = "sdc1_clk";
+			};
+			pinconf {
+				pins = "sdc1_clk";
+				bias-disable; /* No pull */
+				drive-strength = <2>; 
+			};
 		};
 	};
 
-	sdc1_clk_off: clk-off {
-		pinconf {
-			pins = "sdc1_clk";
-			bias-disable = <0>; /* No pull */
-			drive-strength = <2>; /* 2mA */
+	pmx_sdc1_cmd {
+		sdc1_cmd_on: cmd-on {
+			pinmux {
+				pins = "sdc1_cmd";
+			};
+			pinconf {
+				pins = "sdc1_cmd";
+				bias-pull-up;
+				drive-strength = <6>;
+			};
+		};
+
+		sdc1_cmd_off: cmd-off {
+			pinmux {
+				pins = "sdc1_cmd";
+			};
+			pinconf {
+				pins = "sdc1_cmd";
+				bias-pull-up;
+				drive-strength = <2>;
+			};
 		};
 	};
 
-	sdc1_cmd_on: cmd-on {
-		pinconf {
-			pins = "sdc1_cmd";
-			bias-pull-up;
-			drive-strength = <8>;
+	pmx_sdc1_data {
+		sdc1_data_on: data-on {
+			pinmux {
+				pins = "sdc1_data";
+			};
+			pinconf {
+				pins = "sdc1_data";
+				bias-pull-up;
+				drive-strength = <6>;
+			};
+		};
+
+		sdc1_data_off: data-off {
+			pinmux {
+				pins = "sdc1_data";
+			};
+			pinconf {
+				pins = "sdc1_data";
+				bias-pull-up;
+				drive-strength = <2>;
+			};
 		};
 	};
 
-	sdc1_cmd_off: cmd-off {
-		pinconf {
-			pins = "sdc1_cmd";
-			bias-pull-up = <0x3>; /* same as 3.10 ?? */
-			drive-strength = <2>; /* 2mA */
+	pmx_sdc1_rclk {
+		sdc1_rclk_on: rclk-on {
+			pinmux {
+				pins = "sdc1_rclk";
+			};
+			pinconf {
+				pins = "sdc1_rclk";
+				bias-pull-down; /* pull down */
+			};
+		};
+
+		sdc1_rclk_off: rclk-off {
+			pinmux {
+				pins = "sdc1_rclk";
+			};
+			pinconf {
+				pins = "sdc1_rclk";
+				bias-pull-down; /* pull down */
+			};
 		};
 	};
 
-	sdc1_data_on: data-on {
+	i2c2_default: i2c2_default {
+		pinmux {
+			function = "blsp_i2c2";
+			pins = "gpio6", "gpio7";
+		};
 		pinconf {
-			pins = "sdc1_data";
-			bias-pull-up;
-			drive-strength = <8>; /* 8mA */
+			pins = "gpio6", "gpio7";
+			drive-strength = <2>;
+			bias-disable;
 		};
 	};
 
-	sdc1_data_off: data-off {
+	i2c2_sleep: i2c2_sleep {
+		pinmux {
+			function = "gpio";
+			pins = "gpio6", "gpio7";
+		};
 		pinconf {
-			pins = "sdc1_data";
-			bias-pull-up;
+			pins = "gpio6", "gpio7";
 			drive-strength = <2>;
+			bias-disable;
 		};
 	};
 
-	sdc1_rclk_on: rclk-on {
-		bias-pull-down; /* pull down */
+	i2c6_default: i2c6_default {
+		pinmux {
+			function = "blsp_i2c6";
+			pins = "gpio28", "gpio27";
+		};
+		pinconf {
+			pins = "gpio28", "gpio27";
+			drive-strength = <2>;
+			bias-disable;
+		};
 	};
 
-	sdc1_rclk_off: rclk-off {
-		bias-pull-down; /* pull down */
+	i2c6_sleep: i2c6_sleep {
+		pinmux {
+			function = "gpio";
+			pins = "gpio28", "gpio27";
+		};
+		pinconf {
+			pins = "gpio28", "gpio27";
+			drive-strength = <2>;
+			bias-disable;
+		};
 	};
 };
-- 
2.26.2