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author | Liviu Dudau <Liviu.Dudau@arm.com> | 2016-03-07 10:44:54 +0000 |
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committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2016-06-15 15:18:20 +0100 |
commit | ee6ea993dfb27c4a809c3384b19b58eebea65a36 (patch) | |
tree | 2bb4bf08a7d69cd3859f1c9a462a2da627521ed2 /Documentation/devicetree/bindings/display | |
parent | 0d841ac0ec213f70ab59d65129e80f229846fadf (diff) | |
download | linux-stable-ee6ea993dfb27c4a809c3384b19b58eebea65a36.tar.gz linux-stable-ee6ea993dfb27c4a809c3384b19b58eebea65a36.tar.bz2 linux-stable-ee6ea993dfb27c4a809c3384b19b58eebea65a36.zip |
dt/bindings: display: Add DT bindings for Mali Display Processors.
Add DT bindings documentation for the Mali Display Processor. The bindings
describe the Mali DP500, DP550 and DP650 processors from ARM Ltd.
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display')
-rw-r--r-- | Documentation/devicetree/bindings/display/arm,malidp.txt | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/arm,malidp.txt b/Documentation/devicetree/bindings/display/arm,malidp.txt new file mode 100644 index 000000000000..2f7870983ef1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/arm,malidp.txt @@ -0,0 +1,65 @@ +ARM Mali-DP + +The following bindings apply to a family of Display Processors sold as +licensable IP by ARM Ltd. The bindings describe the Mali DP500, DP550 and +DP650 processors that offer multiple composition layers, support for +rotation and scaling output. + +Required properties: + - compatible: should be one of + "arm,mali-dp500" + "arm,mali-dp550" + "arm,mali-dp650" + depending on the particular implementation present in the hardware + - reg: Physical base address and size of the block of registers used by + the processor. + - interrupts: Interrupt list, as defined in ../interrupt-controller/interrupts.txt, + interrupt client nodes. + - interrupt-names: name of the engine inside the processor that will + use the corresponding interrupt. Should be one of "DE" or "SE". + - clocks: A list of phandle + clock-specifier pairs, one for each entry + in 'clock-names' + - clock-names: A list of clock names. It should contain: + - "pclk": for the APB interface clock + - "aclk": for the AXI interface clock + - "mclk": for the main processor clock + - "pxlclk": for the pixel clock feeding the output PLL of the processor. + - arm,malidp-output-port-lines: Array of u8 values describing the number + of output lines per channel (R, G and B). + +Required sub-nodes: + - port: The Mali DP connection to an encoder input port. The connection + is modelled using the OF graph bindings specified in + Documentation/devicetree/bindings/graph.txt + +Optional properties: + - memory-region: phandle to a node describing memory (see + Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt) + to be used for the framebuffer; if not present, the framebuffer may + be located anywhere in memory. + + +Example: + +/ { + ... + + dp0: malidp@6f200000 { + compatible = "arm,mali-dp650"; + reg = <0 0x6f200000 0 0x20000>; + memory-region = <&display_reserved>; + interrupts = <0 168 IRQ_TYPE_LEVEL_HIGH>, + <0 168 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "DE", "SE"; + clocks = <&oscclk2>, <&fpgaosc0>, <&fpgaosc1>, <&fpgaosc1>; + clock-names = "pxlclk", "mclk", "aclk", "pclk"; + arm,malidp-output-port-lines = /bits/ 8 <8 8 8>; + port { + dp0_output: endpoint { + remote-endpoint = <&tda998x_2_input>; + }; + }; + }; + + ... +}; |