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Message-Id: <1345582058-2291-8-git-send-email-linux@prisktech.co.nz>
Date: Wed, 22 Aug 2012 08:47:36 +1200
From: Tony Prisk <linux@...sktech.co.nz>
To: vt8500-wm8505-linux-kernel@...glegroup.com
Cc: Tony Prisk <linux@...sktech.co.nz>,
Russell King <linux@....linux.org.uk>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alan Cox <alan@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Florian Tobias Schandinat <FlorianSchandinat@....de>,
Arnd Bergmann <arnd@...db.de>,
Grant Likely <grant.likely@...retlab.ca>,
Rob Herring <rob.herring@...xeda.com>,
Rob Landley <rob@...dley.net>,
Linus Walleij <linus.walleij@...ricsson.com>,
Mike Turquette <mturquette@...com>,
Stephen Warren <swarren@...dia.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-fbdev@...r.kernel.org, linux-usb@...r.kernel.org,
linux-serial@...r.kernel.org, rtc-linux@...glegroups.com,
devicetree-discuss@...ts.ozlabs.org
Subject: [PATCHv3 7/9] arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
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 <linux@...sktech.co.nz>
---
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 | 15 ++++
.../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, 300 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@...40000 {
+ 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@...30000 {
+ 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@...30100 {
+ 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..1a122bf
--- /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
+
+Example:
+
+ gpio: gpio-controller@...10000 {
+ 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@...00000 {
+ 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..3222502
--- /dev/null
+++ b/Documentation/devicetree/bindings/tty/serial/via,vt8500-uart.txt
@@ -0,0 +1,15 @@
+VIA/Wondermedia VT8500 UART Controller
+-----------------------------------------------------
+
+Required properties:
+- compatible : "via,vt8500-uart"
+- reg : Should contain 1 register ranges(address and length)
+- interrupts : UART interrupt
+
+Example:
+
+ uart@...10000 {
+ compatible = "via,vt8500-uart";
+ reg = <0xd8210000 0x1040>;
+ interrupts = <47>;
+ };
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@...07b00 {
+ 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@...07900 {
+ 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@...0e400 {
+ 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@...50400 {
+ 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@...50800 {
+ compatible = "wm,wm8505-fb";
+ reg = <0xd8050800 0x200>;
+ via,display = <&display>;
+ };
+
--
1.7.9.5
--
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