[PATCH v15 05/12] dt-bindings: display: mediatek: merge: add additional prop for mt8195
Chun-Kuang Hu
chunkuang.hu at kernel.org
Mon Feb 7 15:09:48 PST 2022
Hi, Jason:
jason-jh.lin <jason-jh.lin at mediatek.com> 於 2022年1月26日 週三 下午3:19寫道:
>
> add MERGE additional properties description for mt8195:
> 1. async clock
> 2. fifo setting enable
> 3. reset controller
Applied to mediatek-drm-next [1], thanks.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next
Regards,
Chun-Kuang
>
> Signed-off-by: jason-jh.lin <jason-jh.lin at mediatek.com>
> Reviewed-by: Chun-Kuang Hu <chunkuang.hu at kernel.org>
> ---
> .../display/mediatek/mediatek,merge.yaml | 38 +++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> index 7aa6974d509d..fae106cf1753 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,merge.yaml
> @@ -36,8 +36,28 @@ properties:
> Documentation/devicetree/bindings/power/power-domain.yaml for details.
>
> clocks:
> + maxItems: 2
> items:
> - description: MERGE Clock
> + - description: MERGE Async Clock
> + Controlling the synchronous process between MERGE and other display
> + function blocks cross clock domain.
> +
> + clock-names:
> + maxItems: 2
> + items:
> + - const: merge
> + - const: merge_async
> +
> + mediatek,merge-fifo-en:
> + description:
> + The setting of merge fifo is mainly provided for the display latency
> + buffer to ensure that the back-end panel display data will not be
> + underrun, a little more data is needed in the fifo.
> + According to the merge fifo settings, when the water level is detected
> + to be insufficient, it will trigger RDMA sending ultra and preulra
> + command to SMI to speed up the data rate.
> + type: boolean
>
> mediatek,gce-client-reg:
> description: The register of client driver can be configured by gce with
> @@ -47,6 +67,11 @@ properties:
> $ref: /schemas/types.yaml#/definitions/phandle-array
> maxItems: 1
>
> + resets:
> + description: reset controller
> + See Documentation/devicetree/bindings/reset/reset.txt for details.
> + maxItems: 1
> +
> required:
> - compatible
> - reg
> @@ -64,3 +89,16 @@ examples:
> power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
> clocks = <&mmsys CLK_MM_DISP_MERGE>;
> };
> +
> + merge5: disp_vpp_merge5 at 1c110000 {
> + compatible = "mediatek,mt8195-disp-merge";
> + reg = <0 0x1c110000 0 0x1000>;
> + interrupts = <GIC_SPI 507 IRQ_TYPE_LEVEL_HIGH 0>;
> + clocks = <&vdosys1 CLK_VDO1_VPP_MERGE4>,
> + <&vdosys1 CLK_VDO1_MERGE4_DL_ASYNC>;
> + clock-names = "merge","merge_async";
> + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
> + mediatek,gce-client-reg = <&gce1 SUBSYS_1c11XXXX 0x0000 0x1000>;
> + mediatek,merge-fifo-en = <1>;
> + resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE4_DL_ASYNC>;
> + };
> --
> 2.18.0
>
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