From: "Nícolas F. R. A. Prado" <nfraprado@collabora.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: kernel@collabora.com,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Mathieu Poirier" <mathieu.poirier@linaro.org>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Tinghan Shen" <tinghan.shen@mediatek.com>,
"Tzung-Bi Shih" <tzungbi@google.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
linux-remoteproc@vger.kernel.org
Subject: [PATCH v5 1/2] dt-bindings: remoteproc: mediatek: Make l1tcm reg exclusive to mt819x
Date: Wed, 11 May 2022 15:54:51 -0400 [thread overview]
Message-ID: <20220511195452.871897-2-nfraprado@collabora.com> (raw)
In-Reply-To: <20220511195452.871897-1-nfraprado@collabora.com>
Commit ca23ecfdbd44 ("remoteproc/mediatek: support L1TCM") added support
for the l1tcm memory region on the MT8192 SCP, adding a new da_to_va
callback that handles l1tcm while keeping the old one for
back-compatibility with MT8183. However, since the mt8192 compatible was
missing from the dt-binding, the accompanying dt-binding commit
503c64cc42f1 ("dt-bindings: remoteproc: mediatek: add L1TCM memory region")
mistakenly added this reg as if it were for mt8183. And later
it became common to all platforms as their compatibles were added.
Fix the dt-binding so that the l1tcm reg can be present only on the
supported platforms: mt8192 and mt8195.
Fixes: 503c64cc42f1 ("dt-bindings: remoteproc: mediatek: add L1TCM memory region")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
---
Changes in v5:
- Made l1tcm optional for mt8192/mt8195
- Greatly simplified the constraints override in the if:then:
- Updated commit message
Changes in v4:
- Reworked presence of l1tcm reg to be if:then: based and present only
on mt8192/mt8195
- Rewrote commit message
- Added Fixes tag
Changes in v3:
- Made the cfg reg required again. After looking again into the mtk-scp
driver, only l1tcm is optional.
- Added mention that a dtbs_check warning gets fixed by patch in commit
message.
.../bindings/remoteproc/mtk,scp.yaml | 44 +++++++++++++------
1 file changed, 30 insertions(+), 14 deletions(-)
diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
index abc11ac92818..832064d635b3 100644
--- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
@@ -23,11 +23,13 @@ properties:
reg:
description:
- Should contain the address ranges for memory regions SRAM, CFG, and
- L1TCM.
+ Should contain the address ranges for memory regions SRAM, CFG, and,
+ on some platforms, L1TCM.
+ minItems: 2
maxItems: 3
reg-names:
+ minItems: 2
items:
- const: sram
- const: cfg
@@ -57,16 +59,30 @@ required:
- reg
- reg-names
-if:
- properties:
- compatible:
- enum:
- - mediatek,mt8183-scp
- - mediatek,mt8192-scp
-then:
- required:
- - clocks
- - clock-names
+allOf:
+ - if:
+ properties:
+ compatible:
+ enum:
+ - mediatek,mt8183-scp
+ - mediatek,mt8192-scp
+ then:
+ required:
+ - clocks
+ - clock-names
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - mediatek,mt8183-scp
+ - mediatek,mt8186-scp
+ then:
+ properties:
+ reg:
+ maxItems: 2
+ reg-names:
+ maxItems: 2
additionalProperties:
type: object
@@ -86,10 +102,10 @@ additionalProperties:
examples:
- |
- #include <dt-bindings/clock/mt8183-clk.h>
+ #include <dt-bindings/clock/mt8192-clk.h>
scp@10500000 {
- compatible = "mediatek,mt8183-scp";
+ compatible = "mediatek,mt8192-scp";
reg = <0x10500000 0x80000>,
<0x10700000 0x8000>,
<0x10720000 0xe0000>;
--
2.36.1
next prev parent reply other threads:[~2022-05-11 19:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-11 19:54 [PATCH v5 0/2] Mediatek SCP dt-binding tweaks Nícolas F. R. A. Prado
2022-05-11 19:54 ` Nícolas F. R. A. Prado [this message]
2022-05-13 8:15 ` [PATCH v5 1/2] dt-bindings: remoteproc: mediatek: Make l1tcm reg exclusive to mt819x Krzysztof Kozlowski
2022-05-16 14:41 ` Nícolas F. R. A. Prado
2022-05-16 14:48 ` Krzysztof Kozlowski
2022-05-11 19:54 ` [PATCH v5 2/2] dt-bindings: remoteproc: mediatek: Add optional memory-region to mtk,scp Nícolas F. R. A. Prado
2022-05-17 9:04 ` [PATCH v5 0/2] Mediatek SCP dt-binding tweaks Mathieu Poirier
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