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Message-Id: <1446020905-10670-1-git-send-email-ykk@rock-chips.com>
Date: Wed, 28 Oct 2015 16:28:25 +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>,
Yakir Yang <ykk@...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: [PATCH v8 09/17] dt-bindings: add document for rockchip variant of analogix_dp
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.
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Yakir Yang <ykk@...k-chips.com>
---
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 | 90 ++++++++++++++++++++++
1 file changed, 90 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..ec93917
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/analogix_dp-rockchip.txt
@@ -0,0 +1,90 @@
+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: contain a port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+
+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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