6.9-stable review patch. If anyone has any objections, please let me know.
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From: Nuno Sa nuno.sa@analog.com
commit 19fb11d7220b8abc016aa254dc7e6d9f2d49b178 upstream.
Add a required clock property as we can't access the device registers if the AXI bus clock is not properly enabled.
Note this clock is a very fundamental one that is typically enabled pretty early during boot. Independently of that, we should really rely on it to be enabled.
Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Fixes: 96553a44e96d ("dt-bindings: iio: adc: add bindings doc for AXI ADC driver") Signed-off-by: Nuno Sa nuno.sa@analog.com Link: https://lore.kernel.org/r/20240426-ad9467-new-features-v2-3-6361fc3ba1cc@ana... Cc: Stable@ver.kernel.org Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml | 5 +++++ 1 file changed, 5 insertions(+)
--- a/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml @@ -28,6 +28,9 @@ properties: reg: maxItems: 1
+ clocks: + maxItems: 1 + dmas: maxItems: 1
@@ -48,6 +51,7 @@ required: - compatible - dmas - reg + - clocks
additionalProperties: false
@@ -58,6 +62,7 @@ examples: reg = <0x44a00000 0x10000>; dmas = <&rx_dma 0>; dma-names = "rx"; + clocks = <&axi_clk>; #io-backend-cells = <0>; }; ...