Re: [PATCH 2/9] dt-bindings: pinctrl: stm32: Introduce HDP
From: Clement LE GOFFIC <hidden>
Date: 2025-02-25 17:12:34
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linux-devicetree, linux-gpio, lkml
On 2/25/25 14:04, Krzysztof Kozlowski wrote:
On 25/02/2025 09:48, Clément Le Goffic wrote:quoted
+ +maintainers: + - Clément LE GOFFIC [off-list ref] + +description: |Do not need '|' unless you need to preserve formatting.
Ok
quoted
+ STMicroelectronics's STM32 MPUs integrate a Hardware Debug Port (HDP). + It allows to output internal signals on SoC's GPIO. + +properties: + compatible: + const: st,stm32mp-hdpThere is a mess in STM SoCs. Sometimes you call SoC stm32, sometimes stm32mp and sometimes stm32mpXX. Define for all your STM contributions what is the actual SoC. This feedback was already given to ST.quoted
+ + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +patternProperties: + '-pins$': + type: object + $ref: pinmux-node.yaml# + + properties: + function: + enum: [ "0", "1", "2", "3", "4", "5", "6", "7", + "8", "9", "10", "11", "12", "13", "14", + "15" ]Function which has a number is not really useful. What does it even express?
As said in my previous answer, function names are very different from one platform to another. Numbers were used as string to be generic. I'll consider it in a V2.
quoted
+ + pins: + enum: [ hdp0, hdp1, hdp2, hdp3, hdp4, hdp5, hdp6, hdp7 ] + + required: + - function + - pins + + additionalProperties: false + +allOf: + - $ref: pinctrl.yaml# + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/stm32mp1-clks.h> + #include <dt-bindings/pinctrl/stm32mp15-hdp.h> + //Example 1Drop
Ok
Best regards, Krzysztof