linux-kernel - [PATCH v8 1/2] arm64: dts: ti: k3-j721e-main: Add dts nodes for EHRPWMs

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Message-ID: <20221107070009.11500-2-r-ravikumar@ti.com>
Date:   Mon, 7 Nov 2022 12:30:08 +0530
From:   Rahul T R <r-ravikumar@...com>
To:     <nm@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <r-ravikumar@...com>, <jkridner@...il.com>
Subject: [PATCH v8 1/2] arm64: dts: ti: k3-j721e-main: Add dts nodes for EHRPWMs

From: Vijay Pothukuchi <vijayp@...com>

Add dts nodes for 6 EHRPWM instances on SoC. Disable EHRPWM nodes in the
dtsi files and only enable the ones that are actually pinned out on a
given board.

Signed-off-by: Vijay Pothukuchi <vijayp@...com>
Signed-off-by: Rahul T R <r-ravikumar@...com>
---
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 68 ++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 5c4a0e28cde5..bc3146e24816 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -66,7 +66,73 @@ usb_serdes_mux: mux-controller@...0 {
 			#mux-control-cells = <1>;
 			mux-reg-masks = <0x4000 0x8000000>, /* USB0 to SERDES0/3 mux */
 					<0x4010 0x8000000>; /* USB1 to SERDES1/2 mux */
-	    };
+		};
+
+		ehrpwm_tbclk: clock-controller@...0 {
+			compatible = "ti,am654-ehrpwm-tbclk", "syscon";
+			reg = <0x4140 0x18>;
+			#clock-cells = <1>;
+		};
+	};
+
+	main_ehrpwm0: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3000000 0x00 0x100>;
+		power-domains = <&k3_pds 83 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 0>, <&k3_clks 83 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm1: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3010000 0x00 0x100>;
+		power-domains = <&k3_pds 84 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 1>, <&k3_clks 84 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm2: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3020000 0x00 0x100>;
+		power-domains = <&k3_pds 85 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 2>, <&k3_clks 85 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm3: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3030000 0x00 0x100>;
+		power-domains = <&k3_pds 86 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 3>, <&k3_clks 86 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm4: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3040000 0x00 0x100>;
+		power-domains = <&k3_pds 87 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 4>, <&k3_clks 87 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm5: pwm@...0000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3050000 0x00 0x100>;
+		power-domains = <&k3_pds 88 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 5>, <&k3_clks 88 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
 	};
 
 	gic500: interrupt-controller@...0000 {
-- 
2.38.0