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Message-Id: <20230721082150.12599-1-sinthu.raja@ti.com>
Date: Fri, 21 Jul 2023 13:51:50 +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 V2] 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 in the board dts file.
Signed-off-by: Sinthu Raja <sinthu.raja@...com>
---
Changes in V2:
Addressmreview comments:
- Removed unneeded syscon compatible
V1: https://lore.kernel.org/linux-arm-kernel/20230713114021.28450-1-sinthu.raja@ti.com/
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 66 ++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index ed79ab3a3271..2fb90b899560 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -58,6 +58,72 @@ serdes_ln_ctrl: mux-controller@80 {
mux-reg-masks = <0x80 0x3>, <0x84 0x3>, /* SERDES0 lane0/1 select */
<0x88 0x3>, <0x8c 0x3>; /* SERDES0 lane2/3 select */
};
+
+ ehrpwm_tbclk: clock-controller@140 {
+ compatible = "ti,am654-ehrpwm-tbclk";
+ 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 {
--
2.36.1
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