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Date: Sat, 22 Oct 2022 11:05:28 +0200
From: Frank Wunderlich <linux@...web.de>
To: linux-mediatek@...ts.infradead.org
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
Chaotian Jing <chaotian.jing@...iatek.com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Wenbin Mei <wenbin.mei@...iatek.com>,
linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Nícolas F. R. A. Prado
<nfraprado@...labora.com>
Subject: [PATCH v2 3/5] dt-bindings: mmc: mtk-sd: Set clocks based on compatible
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
The binding was describing a single clock list for all platforms, but
that's not really suitable: mt2712 requires an extra 'bus_clk' on some
of its controllers, while mt8192 requires four different extra clocks.
The rest of the platforms can share the same 3 clocks, with the third
being optional as it's not present on all platforms.
Move the clock definitions inside if blocks that match on the
compatibles. In practice this gets rid of dtbs_check warnings on mt8192,
since the 'bus_clk' clock from mt2712 is no longer expected on this
platform.
Fixes: 59a23395d8aa ("dt-bindings: mmc: Add support for MT8192 SoC")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
.../devicetree/bindings/mmc/mtk-sd.yaml | 111 +++++++++++++-----
1 file changed, 81 insertions(+), 30 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index 3cbf0208f1b4..c7bcf0c3dd5d 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -10,9 +10,6 @@ maintainers:
- Chaotian Jing <chaotian.jing@...iatek.com>
- Wenbin Mei <wenbin.mei@...iatek.com>
-allOf:
- - $ref: mmc-controller.yaml#
-
properties:
compatible:
oneOf:
@@ -49,27 +46,11 @@ properties:
description:
Should contain phandle for the clock feeding the MMC controller.
minItems: 2
- items:
- - description: source clock (required).
- - description: HCLK which used for host (required).
- - description: independent source clock gate (required for MT2712).
- - description: bus clock used for internal register access (required for MT2712 MSDC0/3).
- - description: msdc subsys clock gate (required for MT8192).
- - description: peripheral bus clock gate (required for MT8192).
- - description: AXI bus clock gate (required for MT8192).
- - description: AHB bus clock gate (required for MT8192).
+ maxItems: 7
clock-names:
minItems: 2
- items:
- - const: source
- - const: hclk
- - const: source_cg
- - const: bus_clk
- - const: sys_cg
- - const: pclk_cg
- - const: axi_cg
- - const: ahb_cg
+ maxItems: 7
interrupts:
description:
@@ -191,15 +172,85 @@ required:
- vmmc-supply
- vqmmc-supply
-if:
- properties:
- compatible:
- contains:
- const: mediatek,mt8183-mmc
-then:
- properties:
- reg:
- minItems: 2
+allOf:
+ - $ref: mmc-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8183-mmc
+ then:
+ properties:
+ reg:
+ minItems: 2
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt8192-mmc
+ then:
+ properties:
+ clocks:
+ items:
+ - description: source clock
+ - description: HCLK which used for host
+ - description: independent source clock gate
+ - description: msdc subsys clock gate
+ - description: peripheral bus clock gate
+ - description: AXI bus clock gate
+ - description: AHB bus clock gate
+ clock-names:
+ items:
+ - const: source
+ - const: hclk
+ - const: source_cg
+ - const: sys_cg
+ - const: pclk_cg
+ - const: axi_cg
+ - const: ahb_cg
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt2712-mmc
+ then:
+ properties:
+ clocks:
+ minItems: 3
+ items:
+ - description: source clock
+ - description: HCLK which used for host
+ - description: independent source clock gate
+ - description: bus clock used for internal register access (required for MSDC0/3).
+ clock-names:
+ minItems: 3
+ items:
+ - const: source
+ - const: hclk
+ - const: source_cg
+ - const: bus_clk
+ - if:
+ not:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt2712-mmc
+ - mediatek,mt8192-mmc
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ items:
+ - description: source clock
+ - description: HCLK which used for host
+ - description: independent source clock gate
+ clock-names:
+ minItems: 2
+ items:
+ - const: source
+ - const: hclk
+ - const: source_cg
unevaluatedProperties: false
--
2.34.1
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