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authorWilliam Qiu <william.qiu@starfivetech.com>2023-03-02 13:52:20 +0300
committerMark Brown <broonie@kernel.org>2023-03-06 02:38:57 +0300
commit13f1033e07588b7d1151d22d7ee3ca8f16181de7 (patch)
treed851cf7bc52016b23f520464461c250f68cecbbc /Documentation/devicetree/bindings/spi
parentfe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff)
downloadlinux-13f1033e07588b7d1151d22d7ee3ca8f16181de7.tar.xz
dt-bindings: qspi: cdns,qspi-nor: constrain minItems/maxItems of resets
The QSPI controller needs three reset items to work properly on JH7110 SoC, so there is need to change the maxItems's value to 3 and add minItems whose value is equal to 2. Other platforms do not have this constraint. Signed-off-by: William Qiu <william.qiu@starfivetech.com> Link: https://lore.kernel.org/r/20230302105221.197421-2-william.qiu@starfivetech.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
-rw-r--r--Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml37
1 files changed, 33 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
index 5c01db128be0..b310069762dd 100644
--- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
+++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
@@ -19,6 +19,33 @@ allOf:
then:
required:
- power-domains
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: starfive,jh7110-qspi
+ then:
+ properties:
+ resets:
+ minItems: 2
+ maxItems: 3
+
+ reset-names:
+ minItems: 2
+ maxItems: 3
+ items:
+ enum: [ qspi, qspi-ocp, rstc_ref ]
+
+ else:
+ properties:
+ resets:
+ maxItems: 2
+
+ reset-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ enum: [ qspi, qspi-ocp ]
properties:
compatible:
@@ -30,6 +57,7 @@ properties:
- intel,lgm-qspi
- xlnx,versal-ospi-1.0
- intel,socfpga-qspi
+ - starfive,jh7110-qspi
- const: cdns,qspi-nor
- const: cdns,qspi-nor
@@ -79,13 +107,14 @@ properties:
maxItems: 1
resets:
- maxItems: 2
+ minItems: 2
+ maxItems: 3
reset-names:
- minItems: 1
- maxItems: 2
+ minItems: 2
+ maxItems: 3
items:
- enum: [ qspi, qspi-ocp ]
+ enum: [ qspi, qspi-ocp, rstc_ref ]
required:
- compatible