From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- .../doc/device-tree-bindings/i2c/tegra20-i2c.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 qemu/roms/u-boot/doc/device-tree-bindings/i2c/tegra20-i2c.txt (limited to 'qemu/roms/u-boot/doc/device-tree-bindings/i2c') diff --git a/qemu/roms/u-boot/doc/device-tree-bindings/i2c/tegra20-i2c.txt b/qemu/roms/u-boot/doc/device-tree-bindings/i2c/tegra20-i2c.txt new file mode 100644 index 000000000..72649dffa --- /dev/null +++ b/qemu/roms/u-boot/doc/device-tree-bindings/i2c/tegra20-i2c.txt @@ -0,0 +1,23 @@ +(Placeholder note while we locate the kernel Tegra20 bindings) + +Added in U-Boot: + +Required properties: + - clocks : Two clocks must be given, each as a phandle to the Tegra's + CAR node and the clock number as a parameter: + - the I2C clock to use for the peripheral + - the pll_p_out3 clock, which can be used for fast operation. This + does not change and is the same for all I2C nodes. + +Example: +(TODO: merge with existing example): + + i2c@7000c400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nvidia,tegra20-i2c"; + reg = <0x7000C400 0x100>; + interrupts = < 116 >; + /* PERIPH_ID_I2C2, PLL_P_OUT3 */ + clocks = <&tegra_car 54>, <&tegra_car 124>; + }; -- cgit 1.2.3-korg