linux-kernel - [PATCH] arm64: dts: ti: k3-j721s2-main: Add dts nodes for EHRPWMs

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Message-Id: <20230126132243.15695-1-sinthu.raja@ti.com>
Date:   Thu, 26 Jan 2023 18:52:43 +0530
From:   Sinthu Raja <sinthu.raja@...tralsolutions.com>
To:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Vignesh Raghavendra <vigneshr@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Sinthu Raja <sinthu.raja@...com>
Subject: [PATCH] arm64: dts: ti: k3-j721s2-main: Add dts nodes for EHRPWMs

From: Sinthu Raja <sinthu.raja@...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: Sinthu Raja <sinthu.raja@...com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 8915132efcc1..68f4fe85085b 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -26,6 +26,80 @@ l3cache-sram@...000 {
 		};
 	};
 
+	scm_conf: scm-conf@...000 {
+		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
+		reg = <0x00 0x00104000 0x00 0x18000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x00 0x00 0x00104000 0x18000>;
+
+		ehrpwm_tbclk: clock-controller@140 {
+			compatible = "ti,am654-ehrpwm-tbclk", "syscon";
+			reg = <0x140 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 160 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 0>, <&k3_clks 160 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 161 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 1>, <&k3_clks 161 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 162 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 2>, <&k3_clks 162 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 163 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 3>, <&k3_clks 163 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 164 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 4>, <&k3_clks 164 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 165 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 5>, <&k3_clks 165 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
 	gic500: interrupt-controller@...0000 {
 		compatible = "arm,gic-v3";
 		#address-cells = <2>;
-- 
2.36.1