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Message-Id: <1415793908-5448-1-git-send-email-andy.yan@rock-chips.com>
Date: Wed, 12 Nov 2014 20:05:08 +0800
From: Andy Yan <andy.yan@...k-chips.com>
To: airlied@...ux.ie, heiko@...ech.de, fabio.estevam@...escale.com,
rmk+kernel@....linux.org.uk
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Grant Likely <grant.likely@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Shawn Guo <shawn.guo@...aro.org>,
Andy yan <andy.yan@...k-chips.com>,
Josh Boyer <jwboyer@...hat.com>,
Sean Paul <seanpaul@...omium.org>,
Inki Dae <inki.dae@...sung.com>,
Dave Airlie <airlied@...hat.com>,
Arnd Bergmann <arnd@...db.de>,
Lucas Stach <l.stach@...gutronix.de>,
Zubair.Kakakhel@...tec.com, djkurtz@...gle.com, ykk@...k-chips.com,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
devel@...verdev.osuosl.org, devicetree@...r.kernel.org,
linux-rockchip@...ts.infradead.org, jay.xu@...k-chips.com,
Pawel Moll <pawel.moll@....com>, mark.yao@...k-chips.com,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>
Subject: [PATCH v8 8/9] dt-bindings: Add documentation for rockchip dw hdmi
Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
---
Changes in v8:
- Add documentation for rockchip dw hdmi
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
.../devicetree/bindings/video/dw_hdmi-rockchip.txt | 43 ++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt
diff --git a/Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt b/Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt
new file mode 100644
index 0000000..6ea6764
--- /dev/null
+++ b/Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt
@@ -0,0 +1,43 @@
+Rockchip specific extensions to the Synopsys Designware HDMI
+================================
+
+Required properties:
+- compatible: "rockchip,rk3288-dw-hdmi";
+- reg: physical base address of the controller and length
+- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
+- clocks: from common clock binding: handle to hdmi clock.
+- clock-names: should be "clk" "hdcp_clk"
+- rockchip,grf: this soc should set GRF regs to mux vopl/vopb.
+- interrupts: HDMI interrupt number
+- ports: contain a port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt. For
+ vopb,set the reg = <0> and set the reg = <1> for vopl.
+- reg-io-width: the width of the reg:1,4, the value should be 4 on
+ rk3288 platform
+
+Example:
+hdmi: hdmi@...80000 {
+ compatible = "rockchip,rk3288-dw-hdmi";
+ reg = <0xff980000 0x20000>;
+ reg-io-width = <4>;
+ ddc-i2c-bus = <&i2c5>;
+ rockchip,grf = <&grf>;
+ interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
+ clock-names = "clk", "hdcp_clk";
+ status = "disabled";
+ ports {
+ hdmi_in: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in_vopb: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&vopb_out_hdmi>;
+ };
+ hdmi_in_vopl: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&vopl_out_hdmi>;
+ };
+ };
+ };
+};
--
1.9.1
--
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