From: Valentin Caron Date: Mon, 22 Jul 2024 16:00:19 +0000 (+0200) Subject: dt-bindings: rtc: stm32: describe pinmux nodes X-Git-Tag: v6.12-rc1~49^2~16 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5b19519d4e6ff70c8bd7fc50055c910e141fd5f8;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: rtc: stm32: describe pinmux nodes STM32 RTC is capable to handle 3 specific pins of the soc (out1, out2, out2_rmp) and to outputs 2 signals (LSCO, alarm-a). This feature is configured thanks to pinmux nodes and pinctrl framework. This feature is available with compatible st,stm32mp1-rtc and st,stm32mp25-rtc only. Signed-off-by: Valentin Caron Reviewed-by: Krzysztof Kozlowski Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20240722160022.454226-2-valentin.caron@foss.st.com Signed-off-by: Alexandre Belloni --- diff --git a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml index 7a0fab721cf1d..aae06e570c221 100644 --- a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml +++ b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml @@ -53,6 +53,28 @@ properties: override default rtc_ck parent clock phandle of the new parent clock of rtc_ck maxItems: 1 +patternProperties: + "^rtc-[a-z]+-[0-9]+$": + type: object + $ref: /schemas/pinctrl/pinmux-node.yaml + description: | + Configuration of STM32 RTC pins description. STM32 RTC is able to output + some signals on specific pins: + - LSCO (Low Speed Clock Output) that allow to output LSE clock on a pin. + - Alarm out that allow to send a pulse on a pin when alarm A of the RTC + expires. + additionalProperties: false + properties: + function: + enum: + - lsco + - alarm-a + pins: + enum: + - out1 + - out2 + - out2_rmp + allOf: - if: properties: @@ -68,6 +90,9 @@ allOf: clock-names: false + patternProperties: + "^rtc-[a-z]+-[0-9]+$": false + required: - st,syscfg @@ -83,6 +108,9 @@ allOf: minItems: 2 maxItems: 2 + patternProperties: + "^rtc-[a-z]+-[0-9]+$": false + required: - clock-names - st,syscfg