| Message ID | 20220126071932.32615-6-jason-jh.lin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Mediatek Soc DRM (vdosys0) support for mt8195 | expand |
Hi, Jason: jason-jh.lin <jason-jh.lin@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@mediatek.com> > Reviewed-by: Chun-Kuang Hu <chunkuang.hu@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@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 >
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@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>; + };