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Date: Sat, 31 Oct 2015 14:40:43 +0800
From: Yakir Yang <ykk@...k-chips.com>
To: Inki Dae <inki.dae@...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>,
Jingoo Han <jingoohan1@...il.com>,
Thierry Reding <treding@...dia.com>,
Krzysztof Kozlowski <k.kozlowski@...sung.com>,
Rob Herring <robh+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Mark Yao <mark.yao@...k-chips.com>
Cc: Russell King <linux@....linux.org.uk>, djkurtz@...omium.org,
dianders@...omium.org, Sean Paul <seanpaul@...omium.org>,
Kukjin Kim <kgene@...nel.org>,
Kumar Gala <galak@...eaurora.org>, emil.l.velikov@...il.com,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
Kishon Vijay Abraham I <kishon@...com>,
Pawel Moll <pawel.moll@....com>, ajaynumb@...il.com,
robherring2@...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 v9 09/17] dt-bindings: add document for rockchip variant
of analogix_dp
On 10/31/2015 02:30 PM, 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>
>
> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
> Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Sorry about the duplicate signed-off, I would send a new version now.
> ---
> 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>;
> + };
> + };
> + };
--
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