MIPS: BMIPS: Add support PWM device nodes

Adds PWM device nodes to BCM7xxx MIPS based SoCs.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jonas Gorski <jonas.gorski@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: MIPS Mailing List <linux-mips@linux-mips.org>
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14000/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/boot/dts/brcm/bcm7125.dtsi

@@ -40,6 +40,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -183,6 +189,14 @@ bscd: i2c@406380 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406580 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406580 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		ehci0: usb@488300 {
 			compatible = "brcm,bcm7125-ehci", "generic-ehci";
 			reg = <0x488300 0x100>;

arch/mips/boot/dts/brcm/bcm7346.dtsi

@@ -40,6 +40,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -210,6 +216,22 @@ bsce: i2c@408980 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406580 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406580 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
+		pwmb: pwm@406800 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406800 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@430000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7358.dtsi

@@ -34,6 +34,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -194,6 +200,22 @@ bscd: i2c@408980 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406400 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406400 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
+		pwmb: pwm@406700 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406700 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@430000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7360.dtsi

@@ -34,6 +34,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -194,6 +200,14 @@ bscd: i2c@408980 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406400 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406400 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@430000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7362.dtsi

@@ -40,6 +40,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -190,6 +196,14 @@ bscd: i2c@408980 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406400 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406400 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@430000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7420.dtsi

@@ -40,6 +40,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -191,6 +197,22 @@ bsce: i2c@406800 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406580 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406580 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
+		pwmb: pwm@406880 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406880 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@468000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7425.dtsi

@@ -40,6 +40,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -209,6 +215,22 @@ bsce: i2c@406300 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406580 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406580 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
+		pwmb: pwm@406800 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406800 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@b80000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm7435.dtsi

@@ -52,6 +52,12 @@ uart_clk: uart_clk {
 			#clock-cells = <0>;
 			clock-frequency = <81000000>;
 		};
+
+		upg_clk: upg_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <27000000>;
+		};
 	};
 
 	rdb {
@@ -224,6 +230,22 @@ bsce: i2c@409180 {
 		      status = "disabled";
 		};
 
+		pwma: pwm@406580 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406580 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
+		pwmb: pwm@406800 {
+			compatible = "brcm,bcm7038-pwm";
+			reg = <0x406800 0x28>;
+			#pwm-cells = <2>;
+			clocks = <&upg_clk>;
+			status = "disabled";
+		};
+
 		enet0: ethernet@b80000 {
 			phy-mode = "internal";
 			phy-handle = <&phy1>;

arch/mips/boot/dts/brcm/bcm97125cbmb.dts

@@ -45,6 +45,10 @@ &bscd {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
 /* FIXME: USB is wonky; disable it for now */
 &ehci0 {
 	status = "disabled";

arch/mips/boot/dts/brcm/bcm97346dbsmb.dts

@@ -49,6 +49,14 @@ &bsce {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
+&pwmb {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };

arch/mips/boot/dts/brcm/bcm97358svmb.dts

@@ -45,6 +45,14 @@ &bscd {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
+&pwmb {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };

arch/mips/boot/dts/brcm/bcm97360svmb.dts

@@ -45,6 +45,10 @@ &bscd {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };

arch/mips/boot/dts/brcm/bcm97362svmb.dts

@@ -41,6 +41,10 @@ &bscd {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };

arch/mips/boot/dts/brcm/bcm97420c.dts

@@ -51,6 +51,14 @@ &bsce {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
+&pwmb {
+	status = "okay";
+};
+
 /* FIXME: MAC driver comes up but cannot attach to PHY */
 &enet0 {
 	status = "disabled";

arch/mips/boot/dts/brcm/bcm97425svmb.dts

@@ -51,6 +51,14 @@ &bsce {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
+&pwmb {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };

arch/mips/boot/dts/brcm/bcm97435svmb.dts

@@ -51,6 +51,14 @@ &bsce {
 	status = "okay";
 };
 
+&pwma {
+	status = "okay";
+};
+
+&pwmb {
+	status = "okay";
+};
+
 &enet0 {
 	status = "okay";
 };