[PATCH v4 1/4] dt-bindings: memory: mediatek: Add mt8188 smi binding
From: Chengci.Xu <hidden>
Date: 2022-08-01 02:24:11
Also in:
linux-mediatek
Subsystem:
mediatek smi driver, memory controller drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Yong Wu, Krzysztof Kozlowski, Rob Herring, Conor Dooley, Linus Torvalds
Add mt8188 smi supporting in the bindings.
In mt8188, there are two smi-common HW, one is for vdo(video output),
the other is for vpp(video processing pipe). They connect with different
smi-larbs, then some setting(bus_sel) is different. Differentiate them
with the compatible string.
Something like this:
IOMMU(VDO) IOMMU(VPP)
| |
SMI_COMMON_VDO SMI_COMMON_VPP
---------------- ----------------
| | ... | | ...
larb0 larb2 ... larb1 larb3 ...
Signed-off-by: Chengci.Xu <redacted>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
---
.../bindings/memory-controllers/mediatek,smi-common.yaml | 4 +++-
.../bindings/memory-controllers/mediatek,smi-larb.yaml | 3 +++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
index 71bc5cefb49c..70bba66c7551 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml@@ -16,7 +16,7 @@ description: | MediaTek SMI have two generations of HW architecture, here is the list which generation the SoCs use: generation 1: mt2701 and mt7623. - generation 2: mt2712, mt6779, mt8167, mt8173, mt8183, mt8186, mt8192 and mt8195. + generation 2: mt2712, mt6779, mt8167, mt8173, mt8183, mt8186, mt8188, mt8192 and mt8195. There's slight differences between the two SMI, for generation 2, the register which control the iommu port is at each larb's register base. But
@@ -37,6 +37,8 @@ properties: - mediatek,mt8173-smi-common - mediatek,mt8183-smi-common - mediatek,mt8186-smi-common + - mediatek,mt8188-smi-common-vdo + - mediatek,mt8188-smi-common-vpp - mediatek,mt8192-smi-common - mediatek,mt8195-smi-common-vdo - mediatek,mt8195-smi-common-vpp
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
index 59dcd163668f..5f4ac3609887 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml@@ -25,6 +25,7 @@ properties: - mediatek,mt8173-smi-larb - mediatek,mt8183-smi-larb - mediatek,mt8186-smi-larb + - mediatek,mt8188-smi-larb - mediatek,mt8192-smi-larb - mediatek,mt8195-smi-larb
@@ -78,6 +79,7 @@ allOf: enum: - mediatek,mt8183-smi-larb - mediatek,mt8186-smi-larb + - mediatek,mt8188-smi-larb - mediatek,mt8195-smi-larb then:
@@ -111,6 +113,7 @@ allOf: - mediatek,mt2712-smi-larb - mediatek,mt6779-smi-larb - mediatek,mt8186-smi-larb + - mediatek,mt8188-smi-larb - mediatek,mt8192-smi-larb - mediatek,mt8195-smi-larb
--
2.25.1
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