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Message-ID: <56677E6A.5020705@rock-chips.com>
Date: Wed, 9 Dec 2015 09:05:46 +0800
From: Yakir Yang <ykk@...k-chips.com>
To: Rob Herring <robh@...nel.org>
Cc: Inki Dae <inki.dae@...sung.com>,
Mark Yao <mark.yao@...k-chips.com>,
Jingoo Han <jingoohan1@...il.com>,
Heiko Stuebner <heiko@...ech.de>,
Thierry Reding <treding@...dia.com>,
Krzysztof Kozlowski <k.kozlowski@...sung.com>,
Andrzej Hajda <a.hajda@...sung.com>,
Joonyoung Shim <jy0922.shim@...sung.com>,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
Russell King <linux@....linux.org.uk>,
emil.l.velikov@...il.com,
Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
Kishon Vijay Abraham I <kishon@...com>, ajaynumb@...il.com,
javier@....samsung.com, Andy Yan <andy.yan@...k-chips.com>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v10 08/17] dt-bindings: add document for rockchip variant
of analogix_dp
Hi Rob,
On 12/08/2015 11:03 PM, Rob Herring wrote:
> On Mon, Dec 07, 2015 at 02:39:34PM +0800, Yakir Yang wrote:
>> Rockchip DP driver is a helper driver of analogix_dp coder driver,
>> so most of the DT property should be descriped in analogix_dp document.
>>
>> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
>> Reviewed-by: Heiko Stuebner <heiko@...ech.de>
> I already acked the previous v10 you sent.
>
> Acked-by: Rob Herring <robh@...nel.org>
Ah, I remember it, sorry about the mistaken :-D
Thanks
- Yakir
>
>> ---
>> Changes in v10: None
>> Changes in v9:
>> - Document more details for 'ports' property.
>>
>> Changes in v8:
>> - Modify the commit subject name. (Heiko)
>>
>> Changes in v7: None
>> Changes in v6: None
>> Changes in v5:
>> - Split binding doc's from driver changes. (Rob)
>> - Add eDP hotplug pinctrl property. (Heiko)
>>
>> Changes in v4: None
>> Changes in v3: None
>> Changes in v2: None
>>
>> .../display/rockchip/analogix_dp-rockchip.txt | 91 ++++++++++++++++++++++
>> 1 file changed, 91 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
>>
>> diff --git a/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
>> new file mode 100644
>> index 0000000..dae86c4
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
>> @@ -0,0 +1,91 @@
>> +Rockchip RK3288 specific extensions to the Analogix Display Port
>> +================================
>> +
>> +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: "dp" "pclk"
>> +
>> +- resets: Must contain an entry for each entry in reset-names.
>> + See ../reset/reset.txt for details.
>> +
>> +- pinctrl-names: Names corresponding to the chip hotplug pinctrl states.
>> +- pinctrl-0: pin-control mode. should be <&edp_hpd>
>> +
>> +- reset-names: Must include the name "dp"
>> +
>> +- rockchip,grf: this soc should set GRF regs, so need get grf here.
>> +
>> +- ports: there are 2 port nodes with endpoint definitions as defined in
>> + Documentation/devicetree/bindings/media/video-interfaces.txt.
>> + Port 0: contained 2 endpoints, connecting to the ouput of vop.
>> + Port 1: contained 1 endpoint, connecting to the input of panel.
>> +
>> +For the below properties, please refer to Analogix DP binding document:
>> + * Documentation/devicetree/bindings/drm/bridge/analogix_dp.txt
>> +- phys (required)
>> +- phy-names (required)
>> +- hpd-gpios (optional)
>> +-------------------------------------------------------------------------------
>> +
>> +Example:
>> + dp-controller: dp@...70000 {
>> + compatible = "rockchip,rk3288-dp";
>> + reg = <0xff970000 0x4000>;
>> + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
>> + clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
>> + clock-names = "dp", "pclk";
>> + phys = <&dp_phy>;
>> + phy-names = "dp";
>> +
>> + rockchip,grf = <&grf>;
>> + resets = <&cru 111>;
>> + reset-names = "dp";
>> +
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&edp_hpd>;
>> +
>> + status = "disabled";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + edp_in: port@0 {
>> + reg = <0>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + edp_in_vopb: endpoint@0 {
>> + reg = <0>;
>> + remote-endpoint = <&vopb_out_edp>;
>> + };
>> + edp_in_vopl: endpoint@1 {
>> + reg = <1>;
>> + remote-endpoint = <&vopl_out_edp>;
>> + };
>> + };
>> +
>> + edp_out: port@1 {
>> + reg = <1>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + edp_out_panel: endpoint {
>> + reg = <0>;
>> + remote-endpoint = <&panel_in_edp>
>> + };
>> + };
>> + };
>> + };
>> +
>> + pinctrl {
>> + edp {
>> + edp_hpd: edp-hpd {
>> + rockchip,pins = <7 11 RK_FUNC_2 &pcfg_pull_none>;
>> + };
>> + };
>> + };
>> --
>> 1.9.1
>>
>>
>
>
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