From: Sasha Finkelstein <fnkl.kernel@gmail.com>
To: thierry.reding@gmail.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org
Cc: marcan@marcan.st, sven@svenpeter.dev, alyssa@rosenzweig.io,
asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sasha Finkelstein <fnkl.kernel@gmail.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH RESEND v3 1/4] dt-bindings: pwm: Add Apple PWM controller
Date: Mon, 21 Nov 2022 20:42:25 +0300 [thread overview]
Message-ID: <20221121174228.93670-2-fnkl.kernel@gmail.com> (raw)
In-Reply-To: <20221121174228.93670-1-fnkl.kernel@gmail.com>
Apple SoCs such as the M1 contain a PWM controller used
among other things to control the keyboard backlight.
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Sven Peter <sven@svenpeter.dev>
---
.../bindings/pwm/apple,s5l-fpwm.yaml | 51 +++++++++++++++++++
1 file changed, 51 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml
diff --git a/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml
new file mode 100644
index 000000000000..142157bff0cd
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/apple,s5l-fpwm.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/apple,s5l-fpwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple FPWM controller
+
+maintainers:
+ - asahi@lists.linux.dev
+ - Sasha Finkelstein <fnkl.kernel@gmail.com>
+
+description: PWM controller used for keyboard backlight on ARM Macs
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - apple,t8103-fpwm
+ - apple,t6000-fpwm
+ - apple,t8112-fpwm
+ - const: apple,s5l-fpwm
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ "#pwm-cells":
+ const: 2
+
+required:
+ - compatible
+ - reg
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ pwm@235044000 {
+ compatible = "apple,t8103-fpwm", "apple,s5l-fpwm";
+ reg = <0x35044000 0x4000>;
+ power-domains = <&ps_fpwm1>;
+ clocks = <&clkref>;
+ #pwm-cells = <2>;
+ };
--
2.38.1
next prev parent reply other threads:[~2022-11-21 17:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-21 17:42 [PATCH RESEND v3 0/4] PWM and keyboard backlight driver for ARM Macs Sasha Finkelstein
2022-11-21 17:42 ` Sasha Finkelstein [this message]
2022-11-28 15:08 ` [PATCH RESEND v3 1/4] dt-bindings: pwm: Add Apple PWM controller Uwe Kleine-König
2022-11-21 17:42 ` [PATCH RESEND v3 2/4] " Sasha Finkelstein
2022-11-23 2:24 ` Rob Herring
2022-11-23 2:37 ` Hector Martin
2022-11-28 15:06 ` Uwe Kleine-König
2022-11-21 17:42 ` [PATCH RESEND v3 3/4] arm64: dts: apple: t8103: Add " Sasha Finkelstein
2022-11-23 2:28 ` Rob Herring
2022-11-21 17:42 ` [PATCH RESEND v3 4/4] MAINTAINERS: Add entries for Apple PWM driver Sasha Finkelstein
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