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charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Krzysztof, Thank you for your advice. On 2026/7/21 18:18, Krzysztof Kozlowski wrote: > On Fri, Jul 17, 2026 at 07:49:33AM +0000, Xianwei Zhao wrote: >> Document the Amlogic A9 SPISG controller and its additional >> Device Tree properties. >> >> Add the "amlogic,a9-spisg" compatible string and define the >> A9-specific "amlogic,mo-idle-output" and "amlogic,word-gap" >> properties, which configure the MOSI idle output level and >> the inter-word gap, respectively. >> >> Signed-off-by: Xianwei Zhao >> --- >> .../devicetree/bindings/spi/amlogic,a4-spisg.yaml | 36 +++++++++++++++++++--- >> 1 file changed, 32 insertions(+), 4 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml b/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml >> index 9bfb8089f7ea..7efdc748d566 100644 >> --- a/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml >> +++ b/Documentation/devicetree/bindings/spi/amlogic,a4-spisg.yaml >> @@ -11,12 +11,11 @@ maintainers: >> - Xianwei Zhao >> - Sunny Luo >> >> -allOf: >> - - $ref: spi-controller.yaml# >> - >> properties: >> compatible: >> - const: amlogic,a4-spisg >> + enum: >> + - amlogic,a4-spisg >> + - amlogic,a9-spisg >> >> reg: >> maxItems: 1 >> @@ -42,6 +41,35 @@ required: >> - clocks >> - clock-names >> >> +allOf: >> + - $ref: spi-controller.yaml# >> + - if: >> + properties: >> + compatible: >> + contains: >> + enum: >> + - amlogic,a9-spisg >> + then: >> + properties: > Properties MUST be defined in top-level. You only restrict them here. > See writing-schema and example-schema. > Will do. > Best regards, > Krzysztof _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic