From: Joel Stanley <joel@jms.id.au>
Sent: Thursday, October 21, 2021 2:54 PM

On Thu, 21 Oct 2021 at 06:48, Joel Stanley [off-list ref] wrote:

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On Thu, 21 Oct 2021 at 06:37, ChiaWei Wang

[off-list ref] wrote:

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However, like Rob mentioned, when doing 'make dtbs_check', there is a

warning:

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/builds/robherring/linux-dt-review/arch/arm/boot/dts/aspeed-ast2500-evb.dt.y
aml:

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lpc@1e789000: 'ibt@140', 'kcs@114', 'kcs@24', 'kcs@28', 'kcs@2c',

'lhc@a0', 'reg-io-width' do not match any of the regexes:

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'^lpc-ctrl@[0-9a-f]+$', '^lpc-snoop@[0-9a-f]+$',

'^reset-controller@[0-9a-f]+$', 'pinctrl-[0-9]+'

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From schema:
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings
/mfd/aspeed-lpc.yaml

As part of this series has been applied, maybe we can fix this later?

FWIW, this fixes the warnings for me;

--- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml
+++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml

@@ -56,6 +56,9 @@ properties:

   ranges: true

+  reg-io-width:
+    const: 4
+
 patternProperties:
   "^lpc-ctrl@[0-9a-f]+$":
     type: object

@@ -144,6 +147,9 @@ patternProperties:
         $ref: /schemas/types.yaml#/definitions/uint32-array
         description: The LPC I/O ports to snoop

+      clocks:
+        maxItems: 1
+
     required:
       - compatible
       - interrupts

make ARCH=arm CROSS_COMPILE="arm-linux-gnueabi-" dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/mfd/aspeed-lpc.yaml

If you are able to test this and send a patch that would be appreciated.