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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml new file mode 100644 index 000000000..f54b4e480 --- /dev/null +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/brcm,bcm2835-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom VC4 (VideoCore4) HDMI Controller + +maintainers: + - Eric Anholt <eric@anholt.net> + +properties: + compatible: + const: brcm,bcm2835-hdmi + + reg: + items: + - description: HDMI register range + - description: HD register range + + interrupts: + minItems: 2 + + clocks: + items: + - description: The pixel clock + - description: The HDMI state machine clock + + clock-names: + items: + - const: pixel + - const: hdmi + + ddc: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + Phandle of the I2C controller used for DDC EDID probing + + hpd-gpios: + description: > + The GPIO pin for the HDMI hotplug detect (if it doesn't appear + as an interrupt/status bit in the HDMI controller itself) + + dmas: + maxItems: 1 + description: > + Should contain one entry pointing to the DMA channel used to + transfer audio data. + + dma-names: + const: audio-rx + +required: + - compatible + - reg + - interrupts + - clocks + - ddc + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/bcm2835.h> + #include <dt-bindings/gpio/gpio.h> + + hdmi: hdmi@7e902000 { + compatible = "brcm,bcm2835-hdmi"; + reg = <0x7e902000 0x600>, + <0x7e808000 0x100>; + interrupts = <2 8>, <2 9>; + ddc = <&i2c2>; + hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>; + clocks = <&clocks BCM2835_PLLH_PIX>, + <&clocks BCM2835_CLOCK_HSM>; + clock-names = "pixel", "hdmi"; + }; + +... |