From: Thierry Reding <[email protected]> Add the memory-region and memory-region-names properties to the bindings for the display controllers and the host1x engine found on various Tegra generations. These memory regions are used to access firmware-provided framebuffer memory as well as the video protection region.
Signed-off-by: Thierry Reding <[email protected]> --- Changes in v3: - document properties for VIC --- .../devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml | 8 ++++++++ .../devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml | 10 ++++++++++ .../devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml | 10 +++++++++- .../bindings/display/tegra/nvidia,tegra20-host1x.yaml | 7 +++++++ 4 files changed, 34 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml index 7200095ef19e..1e27a731ad9a 100644 --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-vic.yaml @@ -67,6 +67,14 @@ properties: - const: dma-mem # read - const: write + memory-region: + items: + - description: reference to the video protection memory region + + memory-region-names: + items: + - const: protected + dma-coherent: true additionalProperties: false diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml index ce4589466a18..881bfbf4764d 100644 --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra186-dc.yaml @@ -57,6 +57,16 @@ properties: - const: dma-mem # read-0 - const: read-1 + memory-region: + minItems: 1 + maxItems: 2 + + memory-region-names: + items: + enum: [ framebuffer, protected ] + minItems: 1 + maxItems: 2 + nvidia,outputs: description: A list of phandles of outputs that this display controller can drive. diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml index 69be95afd562..a012644eeb7d 100644 --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml @@ -65,7 +65,15 @@ properties: items: - description: phandle to the core power domain - memory-region: true + memory-region: + minItems: 1 + maxItems: 2 + + memory-region-names: + items: + enum: [ framebuffer, protected ] + minItems: 1 + maxitems: 2 nvidia,head: $ref: /schemas/types.yaml#/definitions/uint32 diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml index 3563378a01af..f45be30835a8 100644 --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml @@ -96,6 +96,13 @@ properties: items: - description: phandle to the HEG or core power domain + memory-region: + maxItems: 1 + + memory-region-names: + items: + - const: protected + required: - compatible - interrupts -- 2.54.0
