From patchwork Thu Aug 23 07:35:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Prisk X-Patchwork-Id: 1364811 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 5624E3FCAE for ; Thu, 23 Aug 2012 07:36:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933655Ab2HWHgc (ORCPT ); Thu, 23 Aug 2012 03:36:32 -0400 Received: from mta05.xtra.co.nz ([210.54.141.250]:16614 "EHLO mta02.xtra.co.nz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933618Ab2HWHgK (ORCPT ); Thu, 23 Aug 2012 03:36:10 -0400 Received: from localhost.localdomain ([115.188.14.127]) by mta02.xtra.co.nz with ESMTP id <20120823073559.BULB8118.mta02.xtra.co.nz@localhost.localdomain>; Thu, 23 Aug 2012 19:35:59 +1200 From: Tony Prisk To: vt8500-wm8505-linux-kernel@googlegroups.com Cc: Tony Prisk , Russell King , Alessandro Zummo , Alan Cox , Greg Kroah-Hartman , Florian Tobias Schandinat , Arnd Bergmann , Grant Likely , Rob Herring , Rob Landley , Linus Walleij , Mike Turquette , Stephen Warren , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-serial@vger.kernel.org, rtc-linux@googlegroups.com, devicetree-discuss@lists.ozlabs.org Subject: [PATCHv4 7/9] arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices Date: Thu, 23 Aug 2012 19:35:43 +1200 Message-Id: <1345707346-9035-8-git-send-email-linux@prisktech.co.nz> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1345707346-9035-1-git-send-email-linux@prisktech.co.nz> References: <1345707346-9035-1-git-send-email-linux@prisktech.co.nz> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Bindings for gpio, interrupt controller, power management controller, timer, realtime clock, serial uart, ehci and uhci controllers and framebuffer controllers used on the arch-vt8500 platform. Framebuffer binding also specifies a 'display' node which is required for determining the lcd panel data. Signed-off-by: Tony Prisk --- Documentation/devicetree/bindings/arm/vt8500.txt | 15 ++++ .../bindings/arm/vt8500/via,vt8500-intc.txt | 16 +++++ .../bindings/arm/vt8500/via,vt8500-pmc.txt | 13 ++++ .../bindings/arm/vt8500/via,vt8500-timer.txt | 15 ++++ Documentation/devicetree/bindings/clock/vt8500.txt | 72 ++++++++++++++++++++ .../devicetree/bindings/gpio/gpio-vt8500.txt | 24 +++++++ .../devicetree/bindings/rtc/via,vt8500-rtc.txt | 15 ++++ .../bindings/tty/serial/via,vt8500-uart.txt | 17 +++++ .../devicetree/bindings/usb/platform-uhci.txt | 15 ++++ .../devicetree/bindings/usb/via,vt8500-ehci.txt | 15 ++++ .../devicetree/bindings/vendor-prefixes.txt | 2 + .../devicetree/bindings/video/via,vt8500-fb.txt | 48 +++++++++++++ .../devicetree/bindings/video/wm,prizm-ge-rops.txt | 13 ++++ .../devicetree/bindings/video/wm,wm8505-fb.txt | 22 ++++++ 14 files changed, 302 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/vt8500.txt create mode 100644 Documentation/devicetree/bindings/arm/vt8500/via,vt8500-intc.txt create mode 100644 Documentation/devicetree/bindings/arm/vt8500/via,vt8500-pmc.txt create mode 100644 Documentation/devicetree/bindings/arm/vt8500/via,vt8500-timer.txt create mode 100644 Documentation/devicetree/bindings/clock/vt8500.txt create mode 100644 Documentation/devicetree/bindings/gpio/gpio-vt8500.txt create mode 100644 Documentation/devicetree/bindings/rtc/via,vt8500-rtc.txt create mode 100644 Documentation/devicetree/bindings/tty/serial/via,vt8500-uart.txt create mode 100644 Documentation/devicetree/bindings/usb/platform-uhci.txt create mode 100644 Documentation/devicetree/bindings/usb/via,vt8500-ehci.txt create mode 100644 Documentation/devicetree/bindings/video/via,vt8500-fb.txt create mode 100644 Documentation/devicetree/bindings/video/wm,prizm-ge-rops.txt create mode 100644 Documentation/devicetree/bindings/video/wm,wm8505-fb.txt diff --git a/Documentation/devicetree/bindings/arm/vt8500.txt b/Documentation/devicetree/bindings/arm/vt8500.txt new file mode 100644 index 0000000..1b3b187 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vt8500.txt @@ -0,0 +1,15 @@ +VIA/Wondermedia VT8500 Platforms Device Tree Bindings +--------------------------------------- + +Boards with the VIA VT8500 SoC shall have the following properties: +Required root node property: +compatible = "via,vt8500"; + +Boards with the Wondermedia WM8505 SoC shall have the following properties: +Required root node property: +compatible = "wm,wm8505"; + +Boards with the Wondermedia WM8650 SoC shall have the following properties: +Required root node property: +compatible = "wm,wm8650"; + diff --git a/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-intc.txt b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-intc.txt new file mode 100644 index 0000000..0a4ce10 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-intc.txt @@ -0,0 +1,16 @@ +VIA/Wondermedia VT8500 Interrupt Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-intc" +- reg : Should contain 1 register ranges(address and length) +- #interrupt-cells : should be <1> + +Example: + + intc: interrupt-controller@d8140000 { + compatible = "via,vt8500-intc"; + interrupt-controller; + reg = <0xd8140000 0x10000>; + #interrupt-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-pmc.txt b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-pmc.txt new file mode 100644 index 0000000..521b9c7 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-pmc.txt @@ -0,0 +1,13 @@ +VIA/Wondermedia VT8500 Power Management Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-pmc" +- reg : Should contain 1 register ranges(address and length) + +Example: + + pmc@d8130000 { + compatible = "via,vt8500-pmc"; + reg = <0xd8130000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-timer.txt b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-timer.txt new file mode 100644 index 0000000..901c73f --- /dev/null +++ b/Documentation/devicetree/bindings/arm/vt8500/via,vt8500-timer.txt @@ -0,0 +1,15 @@ +VIA/Wondermedia VT8500 Timer +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-timer" +- reg : Should contain 1 register ranges(address and length) +- interrupts : interrupt for the timer + +Example: + + timer@d8130100 { + compatible = "via,vt8500-timer"; + reg = <0xd8130100 0x28>; + interrupts = <36>; + }; diff --git a/Documentation/devicetree/bindings/clock/vt8500.txt b/Documentation/devicetree/bindings/clock/vt8500.txt new file mode 100644 index 0000000..a880c70 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/vt8500.txt @@ -0,0 +1,72 @@ +Device Tree Clock bindings for arch-vt8500 + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "via,vt8500-pll-clock" - for a VT8500/WM8505 PLL clock + "wm,wm8650-pll-clock" - for a WM8650 PLL clock + "via,vt8500-device-clock" - for a VT/WM device clock + +Required properties for PLL clocks: +- reg : shall be the control register offset from PMC base for the pll clock. +- clocks : shall be the input parent clock phandle for the clock. This should + be the reference clock. +- #clock-cells : from common clock binding; shall be set to 0. + +Required properties for device clocks: +- clocks : shall be the input parent clock phandle for the clock. This should + be a pll output. +- #clock-cells : from common clock binding; shall be set to 0. + + +Device Clocks + +Device clocks are required to have one or both of the following sets of +properties: + + +Gated device clocks: + +Required properties: +- enable-reg : shall be the register offset from PMC base for the enable + register. +- enable-bit : shall be the bit within enable-reg to enable/disable the clock. + + +Divisor device clocks: + +Required property: +- divisor-reg : shall be the register offset from PMC base for the divisor + register. +Optional property: +- divisor-mask : shall be the mask for the divisor register. Defaults to 0x1f + if not specified. + + +For example: + +ref25: ref25M { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; +}; + +plla: plla { + #clock-cells = <0>; + compatible = "wm,wm8650-pll-clock"; + clocks = <&ref25>; + reg = <0x200>; +}; + +sdhc: sdhc { + #clock-cells = <0>; + compatible = "via,vt8500-device-clock"; + clocks = <&pllb>; + divisor-reg = <0x328>; + divisor-mask = <0x3f>; + enable-reg = <0x254>; + enable-bit = <18>; +}; diff --git a/Documentation/devicetree/bindings/gpio/gpio-vt8500.txt b/Documentation/devicetree/bindings/gpio/gpio-vt8500.txt new file mode 100644 index 0000000..f4dc523 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-vt8500.txt @@ -0,0 +1,24 @@ +VIA/Wondermedia VT8500 GPIO Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-gpio", "wm,wm8505-gpio" + or "wm,wm8650-gpio" depending on your SoC +- reg : Should contain 1 register range (address and length) +- #gpio-cells : should be <3>. + 1) bank + 2) pin number + 3) flags - should be 0 + +Example: + + gpio: gpio-controller@d8110000 { + compatible = "via,vt8500-gpio"; + gpio-controller; + reg = <0xd8110000 0x10000>; + #gpio-cells = <3>; + }; + + vibrate { + gpios = <&gpio 0 1 0>; /* Bank 0, Pin 1, No flags */ + }; diff --git a/Documentation/devicetree/bindings/rtc/via,vt8500-rtc.txt b/Documentation/devicetree/bindings/rtc/via,vt8500-rtc.txt new file mode 100644 index 0000000..3c0484c --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/via,vt8500-rtc.txt @@ -0,0 +1,15 @@ +VIA/Wondermedia VT8500 Realtime Clock Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-rtc" +- reg : Should contain 1 register ranges(address and length) +- interrupts : alarm interrupt + +Example: + + rtc@d8100000 { + compatible = "via,vt8500-rtc"; + reg = <0xd8100000 0x10000>; + interrupts = <48>; + }; diff --git a/Documentation/devicetree/bindings/tty/serial/via,vt8500-uart.txt b/Documentation/devicetree/bindings/tty/serial/via,vt8500-uart.txt new file mode 100644 index 0000000..5feef1e --- /dev/null +++ b/Documentation/devicetree/bindings/tty/serial/via,vt8500-uart.txt @@ -0,0 +1,17 @@ +VIA/Wondermedia VT8500 UART Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-uart" +- reg : Should contain 1 register ranges(address and length) +- interrupts : UART interrupt +- clocks : phandle to the uart source clock (usually a 24Mhz fixed clock) + +Example: + + uart@d8210000 { + compatible = "via,vt8500-uart"; + reg = <0xd8210000 0x1040>; + interrupts = <47>; + clocks = <&ref24>; + }; diff --git a/Documentation/devicetree/bindings/usb/platform-uhci.txt b/Documentation/devicetree/bindings/usb/platform-uhci.txt new file mode 100644 index 0000000..a4fb071 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/platform-uhci.txt @@ -0,0 +1,15 @@ +Generic Platform UHCI Controller +----------------------------------------------------- + +Required properties: +- compatible : "platform-uhci" +- reg : Should contain 1 register ranges(address and length) +- interrupts : UHCI controller interrupt + +Example: + + uhci@d8007b00 { + compatible = "platform-uhci"; + reg = <0xd8007b00 0x200>; + interrupts = <43>; + }; diff --git a/Documentation/devicetree/bindings/usb/via,vt8500-ehci.txt b/Documentation/devicetree/bindings/usb/via,vt8500-ehci.txt new file mode 100644 index 0000000..17b3ad1 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/via,vt8500-ehci.txt @@ -0,0 +1,15 @@ +VIA/Wondermedia VT8500 EHCI Controller +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-ehci" +- reg : Should contain 1 register ranges(address and length) +- interrupts : ehci controller interrupt + +Example: + + ehci@d8007900 { + compatible = "via,vt8500-ehci"; + reg = <0xd8007900 0x200>; + interrupts = <43>; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index db4d3af..5c63da2 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -47,5 +47,7 @@ sirf SiRF Technology, Inc. st STMicroelectronics stericsson ST-Ericsson ti Texas Instruments +via VIA Technologies, Inc. wlf Wolfson Microelectronics +wm Wondermedia Technologies, Inc. xlnx Xilinx diff --git a/Documentation/devicetree/bindings/video/via,vt8500-fb.txt b/Documentation/devicetree/bindings/video/via,vt8500-fb.txt new file mode 100644 index 0000000..98ad14c --- /dev/null +++ b/Documentation/devicetree/bindings/video/via,vt8500-fb.txt @@ -0,0 +1,48 @@ +VIA VT8500 Framebuffer +----------------------------------------------------- + +Required properties: +- compatible : "via,vt8500-fb" +- reg : Should contain 1 register ranges(address and length) +- interrupts : framebuffer controller interrupt +- via,display: a phandle pointing to the display node + +Required nodes: +- display: a display node is required to initialize the lcd panel + This should be in the board dts. + +Example: + + fb@d800e400 { + compatible = "via,vt8500-fb"; + reg = <0xd800e400 0x400>; + interrupts = <12>; + via,display = <&display>; + }; + +VIA VT8500 Display +----------------------------------------------------- +Required properties: +- xres : lcd panel horizontal resolution +- yres : lcd panel vertical resolution +- left-margin, +- right-margin, +- hsync-len: lcd panel horizontal timings in pixels +- upper-margin, +- lower-margin, +- vsync-len: lcd panel verticals timings in pixels +- bpp: lcd panel bit-depth. + <16> for RGB565, <32> for RGB888 + +Example: + display { + xres = <800>; + yres = <480>; + left-margin = <88>; + right-margin = <40>; + hsync-len = <0>; + upper-margin = <32>; + lower-margin = <11>; + vsync-len = <1>; + bpp = <16>; + }; diff --git a/Documentation/devicetree/bindings/video/wm,prizm-ge-rops.txt b/Documentation/devicetree/bindings/video/wm,prizm-ge-rops.txt new file mode 100644 index 0000000..a850fa0 --- /dev/null +++ b/Documentation/devicetree/bindings/video/wm,prizm-ge-rops.txt @@ -0,0 +1,13 @@ +VIA/Wondermedia Graphics Engine Controller +----------------------------------------------------- + +Required properties: +- compatible : "wm,prizm-ge-rops" +- reg : Should contain 1 register ranges(address and length) + +Example: + + ge_rops@d8050400 { + compatible = "wm,prizm-ge-rops"; + reg = <0xd8050400 0x100>; + }; diff --git a/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt b/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt new file mode 100644 index 0000000..64f016a --- /dev/null +++ b/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt @@ -0,0 +1,22 @@ +Wondermedia WM8505 Framebuffer +----------------------------------------------------- + +Required properties: +- compatible : "wm,wm8505-fb" +- reg : Should contain 1 register ranges(address and length) +- via,display: a phandle pointing to the display node + +Required nodes: +- display: a display node is required to initialize the lcd panel + This should be in the board dts. See definition in + Documentation/devicetree/bindings/video/via,vt8500-fb.txt + + +Example: + + fb@d8050800 { + compatible = "wm,wm8505-fb"; + reg = <0xd8050800 0x200>; + via,display = <&display>; + }; +