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950-0203-dt-bindings-display-vc4-hdmi-Add-BCM2711-HDMI-contro.patch
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950-0203-dt-bindings-display-vc4-hdmi-Add-BCM2711-HDMI-contro.patch
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From 2cbd6432676b68e210f9ff4a1c1dd5d5463a6d6b Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 13 Feb 2020 16:45:24 +0100
Subject: [PATCH] dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI
controllers bindings
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.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
.../bindings/display/brcm,bcm2835-hdmi.yaml | 118 ++++++++++++++++--
1 file changed, 109 insertions(+), 9 deletions(-)
--- a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
@@ -11,24 +11,58 @@ maintainers:
properties:
compatible:
- const: brcm,bcm2835-hdmi
+ enum:
+ - brcm,bcm2835-hdmi
+ - brcm,bcm2711-hdmi0
+ - brcm,bcm2711-hdmi1
reg:
+ oneOf:
+ - items:
+ - description: HDMI register range
+ - description: HD register range
+
+ - 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:
- - description: HDMI register range
- - description: HD register range
+ - const: hdmi
+ - const: dvp
+ - const: phy
+ - const: rm
+ - const: packet
+ - const: metadata
+ - const: csc
+ - const: cec
+ - const: hd
interrupts:
minItems: 2
clocks:
- items:
- - description: The pixel clock
- - description: The HDMI state machine clock
+ oneOf:
+ - items:
+ - description: The pixel clock
+ - description: The HDMI state machine clock
+
+ - items:
+ - description: The HDMI state machine clock
clock-names:
- items:
- - const: pixel
+ oneOf:
+ - items:
+ - const: pixel
+ - const: hdmi
+
- const: hdmi
ddc:
@@ -50,15 +84,54 @@ properties:
dma-names:
const: audio-rx
+ resets:
+ maxItems: 1
+
required:
- compatible
- reg
- - interrupts
- clocks
- ddc
additionalProperties: false
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - brcm,bcm2711-hdmi0
+ - brcm,bcm2711-hdmi1
+
+then:
+ properties:
+ reg:
+ minItems: 9
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ maxItems: 1
+
+ required:
+ - reg-names
+ - resets
+
+else:
+ properties:
+ reg:
+ maxItems: 2
+
+ clocks:
+ minItems: 2
+
+ clock-names:
+ minItems: 2
+
+ required:
+ - interrupts
+
examples:
- |
#include <dt-bindings/clock/bcm2835.h>
@@ -76,4 +149,31 @@ examples:
clock-names = "pixel", "hdmi";
};
+ - |
+ 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>;
+ };
+
...