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Commit def4d6c0 authored by Tony Prisk's avatar Tony Prisk Committed by Olof Johansson
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dts: vt8500: Add initial dts support for WM8850 



This patch adds a soc dtsi for the Wondermedia WM8850.

A board dts file is also included for the W70v2 tablet, with support
for all the drivers currently in mainline.

Signed-off-by: default avatarTony Prisk <linux@prisktech.co.nz>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 8d31bfa5

arch/arm/boot/dts/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -151,7 +151,8 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \ 
	xenvm-4.2.dtb

dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \

	wm8505-ref.dtb \

	wm8650-mid.dtb

	wm8650-mid.dtb \

	wm8850-w70v2.dtb

dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb



targets += dtbs

arch/arm/boot/dts/wm8850-w70v2.dts

0 → 100644
+47 −0
Original line number Diff line number Diff line 
/*

 * wm8850-w70v2.dts

 *  - Device tree file for Wondermedia WM8850 Tablet

 *  - 'W70-V2' mainboard

 *  - HongLianYing 'HLY070ML268-21A' 7" LCD panel

 *

 * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>

 *

 * Licensed under GPLv2 or later

 */



/dts-v1/;

/include/ "wm8850.dtsi"



/ {

	model = "Wondermedia WM8850-W70v2 Tablet";



	/*

	 * Display node is based on Sascha Hauer's patch on dri-devel.

	 * Added a bpp property to calculate the size of the framebuffer

	 * until the binding is formalized.

	 */

	display: display@0 {

		modes {

			mode0: mode@0 {

				hactive = <800>;

				vactive = <480>;

				hback-porch = <88>;

				hfront-porch = <40>;

				hsync-len = <0>;

				vback-porch = <32>;

				vfront-porch = <11>;

				vsync-len = <1>;

				clock = <0>;	/* unused but required */

				bpp = <16>;	/* non-standard but required */

			};

		};

	};



	backlight {

		compatible = "pwm-backlight";

		pwms = <&pwm 0 50000 1>;	/* duty inverted */



		brightness-levels = <0 40 60 80 100 130 190 255>;

		default-brightness-level = <5>;

	};

};

arch/arm/boot/dts/wm8850.dtsi

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+224 −0
Original line number Diff line number Diff line 
/*

 * wm8850.dtsi - Device tree file for Wondermedia WM8850 SoC

 *

 * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>

 *

 * Licensed under GPLv2 or later

 */



/include/ "skeleton.dtsi"



/ {

	compatible = "wm,wm8850";



	aliases {

		serial0 = &uart0;

		serial1 = &uart1;

		serial2 = &uart2;

		serial3 = &uart3;

	};



	soc {

		#address-cells = <1>;

		#size-cells = <1>;

		compatible = "simple-bus";

		ranges;

		interrupt-parent = <&intc0>;



		intc0: interrupt-controller@d8140000 {

			compatible = "via,vt8500-intc";

			interrupt-controller;

			reg = <0xd8140000 0x10000>;

			#interrupt-cells = <1>;

		};



		/* Secondary IC cascaded to intc0 */

		intc1: interrupt-controller@d8150000 {

			compatible = "via,vt8500-intc";

			interrupt-controller;

			#interrupt-cells = <1>;

			reg = <0xD8150000 0x10000>;

			interrupts = <56 57 58 59 60 61 62 63>;

		};



		gpio: gpio-controller@d8110000 {

			compatible = "wm,wm8650-gpio";

			gpio-controller;

			reg = <0xd8110000 0x10000>;

			#gpio-cells = <3>;

		};



		pmc@d8130000 {

			compatible = "via,vt8500-pmc";

			reg = <0xd8130000 0x1000>;



			clocks {

				#address-cells = <1>;

				#size-cells = <0>;



				ref25: ref25M {

					#clock-cells = <0>;

					compatible = "fixed-clock";

					clock-frequency = <25000000>;

				};



				ref24: ref24M {

					#clock-cells = <0>;

					compatible = "fixed-clock";

					clock-frequency = <24000000>;

				};



				plla: plla {

					#clock-cells = <0>;

					compatible = "wm,wm8750-pll-clock";

					clocks = <&ref25>;

					reg = <0x200>;

				};



				pllb: pllb {

					#clock-cells = <0>;

					compatible = "wm,wm8750-pll-clock";

					clocks = <&ref25>;

					reg = <0x204>;

				};



				clkuart0: uart0 {

					#clock-cells = <0>;

					compatible = "via,vt8500-device-clock";

					clocks = <&ref24>;

					enable-reg = <0x254>;

					enable-bit = <24>;

				};



				clkuart1: uart1 {

					#clock-cells = <0>;

					compatible = "via,vt8500-device-clock";

					clocks = <&ref24>;

					enable-reg = <0x254>;

					enable-bit = <25>;

				};



                                clkuart2: uart2 {

                                        #clock-cells = <0>;

                                        compatible = "via,vt8500-device-clock";

                                        clocks = <&ref24>;

                                        enable-reg = <0x254>;

                                        enable-bit = <26>;

                                };



                                clkuart3: uart3 {

                                        #clock-cells = <0>;

                                        compatible = "via,vt8500-device-clock";

                                        clocks = <&ref24>;

                                        enable-reg = <0x254>;

                                        enable-bit = <27>;

                                };



				clkpwm: pwm {

					#clock-cells = <0>;

					compatible = "via,vt8500-device-clock";

					clocks = <&pllb>;

					divisor-reg = <0x350>;

					enable-reg = <0x250>;

					enable-bit = <17>;

				};



				clksdhc: sdhc {

					#clock-cells = <0>;

					compatible = "via,vt8500-device-clock";

					clocks = <&pllb>;

					divisor-reg = <0x330>;

					divisor-mask = <0x3f>;

					enable-reg = <0x250>;

					enable-bit = <0>;

				};

			};

		};



		fb@d8051700 {

			compatible = "wm,wm8505-fb";

			reg = <0xd8051700 0x200>;

			display = <&display>;

			default-mode = <&mode0>;

		};



		ge_rops@d8050400 {

			compatible = "wm,prizm-ge-rops";

			reg = <0xd8050400 0x100>;

		};



		pwm: pwm@d8220000 {

			#pwm-cells = <3>;

			compatible = "via,vt8500-pwm";

			reg = <0xd8220000 0x100>;

			clocks = <&clkpwm>;

		};



		timer@d8130100 {

			compatible = "via,vt8500-timer";

			reg = <0xd8130100 0x28>;

			interrupts = <36>;

		};



		ehci@d8007900 {

			compatible = "via,vt8500-ehci";

			reg = <0xd8007900 0x200>;

			interrupts = <26>;

		};



		uhci@d8007b00 {

			compatible = "platform-uhci";

			reg = <0xd8007b00 0x200>;

			interrupts = <26>;

		};



		uhci@d8008d00 {

			compatible = "platform-uhci";

			reg = <0xd8008d00 0x200>;

			interrupts = <26>;

		};



		uart0: uart@d8200000 {

			compatible = "via,vt8500-uart";

			reg = <0xd8200000 0x1040>;

			interrupts = <32>;

			clocks = <&clkuart0>;

		};



		uart1: uart@d82b0000 {

			compatible = "via,vt8500-uart";

			reg = <0xd82b0000 0x1040>;

			interrupts = <33>;

			clocks = <&clkuart1>;

		};



                uart2: uart@d8210000 {

                        compatible = "via,vt8500-uart";

                        reg = <0xd8210000 0x1040>;

                        interrupts = <47>;

                        clocks = <&clkuart2>;

                };



                uart3: uart@d82c0000 {

                        compatible = "via,vt8500-uart";

                        reg = <0xd82c0000 0x1040>;

                        interrupts = <50>;

                        clocks = <&clkuart3>;

                };



		rtc@d8100000 {

			compatible = "via,vt8500-rtc";

			reg = <0xd8100000 0x10000>;

			interrupts = <48>;

		};



		sdhc@d800a000 {

			compatible = "wm,wm8505-sdhc";

			reg = <0xd800a000 0x1000>;

			interrupts = <20 21>;

			clocks = <&clksdhc>;

			bus-width = <4>;

			sdon-inverted;

		};

	};

};