Am Montag, 4. August 2014, 12:55:59 schrieb mark yao:
> Signed-off-by: mark yao <yzq@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/video/rockchip-panel.txt | 34
> ++++++++++++++++++++ 1 file changed, 34 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/video/rockchip-panel.txt
> b/Documentation/devicetree/bindings/video/rockchip-panel.txt index
> f599806..f6d80f6 100644
> --- a/Documentation/devicetree/bindings/video/rockchip-panel.txt
> +++ b/Documentation/devicetree/bindings/video/rockchip-panel.txt
> @@ -80,3 +80,37 @@ Example:
> rockchip,data-width = <24>;
> rockchip,panel = <&panel>;
> };
> +
> +Rockchip RK3288 EDP interface
> +================================
> +Required properties:
> +-compatible: "rockchip,rk3288-edp";
> +
> +- reg: physical base address of the controller and length
> +- clocks: from common clock binding: handle to dp clock.
> + of memory mapped region.
> +- clock-names: from common clock binding:
> + Required elements: "clk_edp"
> + "clk_edp_24m"
> + "clk_edp_24m_parent"
> + "pclk_edp"
> +- rockchip,grf: this soc should set GRF regs, so need get grf here.
> +- resets: Must contain an entry for each entry in reset-names.
> + See ../reset/reset.txt for details.
> +- reset-names: Must include the following entries:
> + - edp
> +- rockchip,panel: required a panel node
> +
> +Example:
> + edp: edp@ff970000 {
> + compatible = "rockchip,rk3288-edp";
> + reg = <0xff970000 0x4000>;
> + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cru SCLK_EDP>, <&cru SCLK_EDP_24M>, <&cru
> PCLK_EDP_CTRL>, <&xin24m>; + clock-names = "clk_edp",
> "clk_edp_24m", "pclk_edp", "clk_edp_24m_parent"; +
clk_epd_24m_parent is not part of the hardware, so instead of referencing the
target-parent as part of the device clocks, the new
"clk: Support for clock parents and rates assigned from device tree"
should be used for setting the target parent - so the re-parenting code should
also move out of the driver.
This commit [0] is part of the clk-pull request and thus will most likely be
part of 3.17.
Heiko
[0]
http://git.linaro.org/people/mike.turquette/linux.git/commitdiff/86be408bfbd846fab3c4ac21d6f9298bd2e4b790?hp=09575693a2511b5ddae0105546e0d9cefc936e34
> + rockchip,grf = <&grf>;
> + resets = <&cru 111>;
> + reset-names = "edp";
> + rockchip,panel = <&panel>;
> + };
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