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@xxxxxxxxxxxxx>
---
.../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
