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Message-Id: <20230222155906.19403-1-hayashi.kunihiko@socionext.com>
Date: Thu, 23 Feb 2023 00:59:06 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Hans de Goede <hdegoede@...hat.com>,
Jens Axboe <axboe@...nel.dk>
Cc: linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v4] dt-bindings: ata: Add UniPhier controller binding
Add UniPhier SATA controller compatible string to the platform binding.
This controller needs three reset controls for Pro4 SoC, or two reset
controls for PXs2 and PXs3 SoCs.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
.../bindings/ata/ahci-platform.yaml | 49 +++++++++++++++++--
1 file changed, 45 insertions(+), 4 deletions(-)
Changes since v3:
- Fix the position of resets and allOf properties
- Add reset descriptions
- Separate if conditions for two resets, three resets, and others
Changes since v2:
- Add compatible strings to select property
- Add minItems and change maxItems for resets
- Move condition schema under allOf property
- Change resets to "required" for uniphier-*-ahci
Changes since v1:
- Restrict resets property changes with compatible strings
- Fix maxItems from two to three
diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
index 7dc2a2e8f598..358617115bb8 100644
--- a/Documentation/devicetree/bindings/ata/ahci-platform.yaml
+++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
@@ -30,12 +30,12 @@ select:
- marvell,armada-3700-ahci
- marvell,armada-8k-ahci
- marvell,berlin2q-ahci
+ - socionext,uniphier-pro4-ahci
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
required:
- compatible
-allOf:
- - $ref: "ahci-common.yaml#"
-
properties:
compatible:
oneOf:
@@ -45,6 +45,9 @@ properties:
- marvell,armada-8k-ahci
- marvell,berlin2-ahci
- marvell,berlin2q-ahci
+ - socionext,uniphier-pro4-ahci
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
- const: generic-ahci
- enum:
- cavium,octeon-7130-ahci
@@ -74,7 +77,8 @@ properties:
maxItems: 1
resets:
- maxItems: 1
+ minItems: 1
+ maxItems: 3
patternProperties:
"^sata-port@[0-9a-f]+$":
@@ -91,6 +95,43 @@ required:
- reg
- interrupts
+allOf:
+ - $ref: ahci-common.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: socionext,uniphier-pro4-ahci
+ then:
+ properties:
+ resets:
+ items:
+ - description: reset line for the parent
+ - description: reset line for the glue logic
+ - description: reset line for the controller
+ required:
+ - resets
+ else:
+ if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - socionext,uniphier-pxs2-ahci
+ - socionext,uniphier-pxs3-ahci
+ then:
+ properties:
+ resets:
+ items:
+ - description: reset for the glue logic
+ - description: reset for the controller
+ required:
+ - resets
+ else:
+ properties:
+ resets:
+ maxItems: 1
+
unevaluatedProperties: false
examples:
--
2.25.1
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