diff options
author | Archit Taneja <architt@codeaurora.org> | 2016-06-14 12:17:26 (GMT) |
---|---|---|
committer | Rob Clark <robdclark@gmail.com> | 2016-07-16 14:09:04 (GMT) |
commit | b137bb4bec515c243eb42127ccf5ba2765fbed7c (patch) | |
tree | b0bb08cee13ae30cb5484eb432384d7fd209af99 | |
parent | fd7ef70617ff0c93f3d5f2ff64237bb670edd231 (diff) | |
download | linux-b137bb4bec515c243eb42127ccf5ba2765fbed7c.tar.xz |
dt-bindings: msm/mdp: Provide details on MDP interface ports
The MDP4/5 DT node now contains a list of ports that describe how it
connects to external encoder interfaces like DSI and HDMI. These follow
the standard of_graph bindings, and allow us to get rid of the 'connectors'
phandle that contained a list of all the external encoders connected to
MDP.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
-rw-r--r-- | Documentation/devicetree/bindings/display/msm/mdp4.txt | 68 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/display/msm/mdp5.txt | 48 |
2 files changed, 110 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/display/msm/mdp4.txt b/Documentation/devicetree/bindings/display/msm/mdp4.txt index 1de9b17..3c341a1 100644 --- a/Documentation/devicetree/bindings/display/msm/mdp4.txt +++ b/Documentation/devicetree/bindings/display/msm/mdp4.txt @@ -10,7 +10,6 @@ Required properties: * "qcom,mdp4" - mdp4 - reg: Physical base address and length of the controller's registers. - interrupts: The interrupt signal from the display controller. -- connectors: array of phandles for output device(s) - clocks: device clocks See ../clocks/clock-bindings.txt for details. - clock-names: the following clocks are required. @@ -20,9 +19,23 @@ Required properties: * "lut_clk" * "hdmi_clk" * "tv_clk" +- ports: contains the list of output ports from MDP. These connect to interfaces + that are external to the MDP hardware, such as HDMI, DSI, EDP etc (LVDS is a + special case since it is a part of the MDP block itself). + + Each output port contains an endpoint that describes how it is connected to an + external interface. These are described by the standard properties documented + here: + Documentation/devicetree/bindings/graph.txt + Documentation/devicetree/bindings/media/video-interfaces.txt + + The output port mappings are: + Port 0 -> LCDC/LVDS + Port 1 -> DSI1 Cmd/Video + Port 2 -> DSI2 Cmd/Video + Port 3 -> DTV Optional properties: -- gpus: phandle for gpu device - clock-names: the following clocks are optional: * "lut_clk" @@ -31,12 +44,27 @@ Example: / { ... - mdp: qcom,mdp@5100000 { + hdmi: hdmi@4a00000 { + ... + ports { + ... + port@0 { + reg = <0>; + hdmi_in: endpoint { + remote-endpoint = <&mdp_dtv_out>; + }; + }; + ... + }; + ... + }; + + ... + + mdp: mdp@5100000 { compatible = "qcom,mdp4"; reg = <0x05100000 0xf0000>; interrupts = <GIC_SPI 75 0>; - connectors = <&hdmi>; - gpus = <&gpu>; clock-names = "core_clk", "iface_clk", @@ -50,5 +78,35 @@ Example: <&mmcc MDP_LUT_CLK>, <&mmcc HDMI_TV_CLK>, <&mmcc MDP_TV_CLK>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + mdp_lvds_out: endpoint { + }; + }; + + port@1 { + reg = <1>; + mdp_dsi1_out: endpoint { + }; + }; + + port@2 { + reg = <2>; + mdp_dsi2_out: endpoint { + }; + }; + + port@3 { + reg = <3>; + mdp_dtv_out: endpoint { + remote-endpoint = <&hdmi_in>; + }; + }; + }; }; }; diff --git a/Documentation/devicetree/bindings/display/msm/mdp5.txt b/Documentation/devicetree/bindings/display/msm/mdp5.txt index b395905..30c11ea 100644 --- a/Documentation/devicetree/bindings/display/msm/mdp5.txt +++ b/Documentation/devicetree/bindings/display/msm/mdp5.txt @@ -49,12 +49,36 @@ Required properties: - * "iface_clk" - * "core_clk" - * "vsync_clk" +- ports: contains the list of output ports from MDP. These connect to interfaces + that are external to the MDP hardware, such as HDMI, DSI, EDP etc (LVDS is a + special case since it is a part of the MDP block itself). + + Each output port contains an endpoint that describes how it is connected to an + external interface. These are described by the standard properties documented + here: + Documentation/devicetree/bindings/graph.txt + Documentation/devicetree/bindings/media/video-interfaces.txt + + The availability of output ports can vary across SoC revisions: + + For MSM8974 and APQ8084: + Port 0 -> MDP_INTF0 (eDP) + Port 1 -> MDP_INTF1 (DSI1) + Port 2 -> MDP_INTF2 (DSI2) + Port 3 -> MDP_INTF3 (HDMI) + + For MSM8916: + Port 0 -> MDP_INTF1 (DSI1) + + For MSM8994 and MSM8996: + Port 0 -> MDP_INTF1 (DSI1) + Port 1 -> MDP_INTF2 (DSI2) + Port 2 -> MDP_INTF3 (HDMI) Optional properties: - clock-names: the following clocks are optional: * "lut_clk" - Example: / { @@ -101,10 +125,32 @@ Example: "core_clk", "vsync_clk"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + mdp5_intf1_out: endpoint { + remote-endpoint = <&dsi0_in>; + }; + }; + }; }; dsi0: dsi@1a98000 { ... + ports { + ... + port@0 { + reg = <0>; + dsi0_in: endpoint { + remote-endpoint = <&mdp5_intf1_out>; + }; + }; + ... + }; + ... }; dsi_phy0: dsi-phy@1a98300 { |