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Wed, 8 Jul 2020 13:44:19 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Subject: [PATCH v4 75/78] dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI controllers bindings Date: Wed, 8 Jul 2020 19:42:23 +0200 Message-Id: X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 09 Jul 2020 07:05:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The HDMI controllers found in the BCM2711 SoC need some adjustments to the bindings, especially since the registers have been shuffled around in more register ranges. Reviewed-by: Rob Herring Signed-off-by: Maxime Ripard --- Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 109 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml new file mode 100644 index 000000000000..6091fe3d315b --- /dev/null +++ b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM2711 HDMI Controller Device Tree Bindings + +maintainers: + - Eric Anholt + +properties: + compatible: + enum: + - brcm,bcm2711-hdmi0 + - brcm,bcm2711-hdmi1 + + reg: + items: + - description: HDMI controller register range + - description: DVP register range + - description: HDMI PHY register range + - description: Rate Manager register range + - description: Packet RAM register range + - description: Metadata RAM register range + - description: CSC register range + - description: CEC register range + - description: HD register range + + reg-names: + items: + - const: hdmi + - const: dvp + - const: phy + - const: rm + - const: packet + - const: metadata + - const: csc + - const: cec + - const: hd + + clocks: + description: The HDMI state machine clock + + clock-names: + const: hdmi + + ddc: + allOf: + - $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 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - clocks + - resets + - ddc + +additionalProperties: false + +examples: + - | + hdmi0: hdmi@7ef00700 { + compatible = "brcm,bcm2711-hdmi0"; + reg = <0x7ef00700 0x300>, + <0x7ef00300 0x200>, + <0x7ef00f00 0x80>, + <0x7ef00f80 0x80>, + <0x7ef01b00 0x200>, + <0x7ef01f00 0x400>, + <0x7ef00200 0x80>, + <0x7ef04300 0x100>, + <0x7ef20000 0x100>; + reg-names = "hdmi", + "dvp", + "phy", + "rm", + "packet", + "metadata", + "csc", + "cec", + "hd"; + clocks = <&firmware_clocks 13>; + clock-names = "hdmi"; + resets = <&dvp 0>; + ddc = <&ddc0>; + }; + +...