From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 850F73212 for ; Wed, 21 Dec 2022 21:07:00 +0000 (UTC) Received: by mail-wm1-f47.google.com with SMTP id o5-20020a05600c510500b003d21f02fbaaso2480058wms.4 for ; Wed, 21 Dec 2022 13:07:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=TV7HOi/nDk6tN6Btf7NEWSQXW12jGkXqBc1ZJZCpH7rHo1bIES6jPHXyDmr0LSxqbo b5uA3Oar5vljGcFFGzJfAEtkP83r+gCzHBOsSCdOBCVWDhP++QpHCL6iZoaFO81DDjOp +ln2VaE4F/NLkO8nhyNKGYtqHD7HyPc5ztIKFo8uEpxmAOy8vaB5ZgTRNQ33jW9Klc5d 4C3KidpPrCRZFnnd84lnlzKTBA7BtjKQco9hL0K1ntYXZFvcmLYkpUELHmd5cmHheaWA ppkuj5BGp+nUHilJygcVRcX3rztLrHkZB0rn2+VypnYZDGo0RF94KAxBcymdTpfPNrGM m1Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6k6iH6ye4eNPwympT1HKSV19Z/5AZl0oVvTiapSuckY=; b=LMePsSem8luW6IsVn085oj/a9AgOkufl+qIkDEYBE1XXdv2mBcChdG+E0Z77ZCR/OH Gbirstzgf0mrYIqgmnW/416Qj37xBgBP33+33Qpy2KBbED1+wQ1bTmtZaE36loHWLVDJ qrFBDbgCQZbMye3js4gln1EqLIlL76QRf3a5Ezim8KFLwTLZrn4lVJvQFHbpcyA7YxRQ PvjEUnz9uE5//Go1GcLi/aNkTR5C3yLtEQ4LniYrH8356V6sFk46vP6+wzzwTegzdv6O q/s+C6Yx3Ev7fn0M7GNgByZootMXf1YhmuzkuzEB/3uoZajta/qQvt1Hcnmx3j3oK7yJ C7wQ== X-Gm-Message-State: AFqh2ko/SGXZMPZnv100ZKqr+ThnnYnBBUeY63CI48lCzkqP0QMsXck4 9ife+j6pduWe+NpCDOLlj3k= X-Google-Smtp-Source: AMrXdXtPsFcQ9nULzy25sD18SHnQ2BII+Hj9pyW0qhYMJrpKlYHMDezmfPea/fZ/j/2g/LCcQ8OxMA== X-Received: by 2002:a05:600c:3b82:b0:3cf:900c:de6b with SMTP id n2-20020a05600c3b8200b003cf900cde6bmr2673465wms.15.1671656818782; Wed, 21 Dec 2022 13:06:58 -0800 (PST) Received: from localhost ([176.234.10.188]) by smtp.gmail.com with UTF8SMTPSA id iv7-20020a05600c548700b003d35c09d4b9sm4134856wmb.40.2022.12.21.13.06.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Dec 2022 13:06:58 -0800 (PST) From: Sasha Finkelstein To: u.kleine-koenig@pengutronix.de, 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 , Krzysztof Kozlowski Subject: [PATCH v5 1/4] dt-bindings: pwm: Add Apple PWM controller Date: Thu, 22 Dec 2022 00:06:45 +0300 Message-Id: <20221221210648.2735-2-fnkl.kernel@gmail.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) In-Reply-To: <20221221210648.2735-1-fnkl.kernel@gmail.com> References: <20221221210648.2735-1-fnkl.kernel@gmail.com> Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Apple SoCs such as the M1 contain a PWM controller used among other things to control the keyboard backlight. Signed-off-by: Sasha Finkelstein Reviewed-by: Krzysztof Kozlowski Acked-by: Sven Peter --- .../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 + +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>; + }; -- 2.37.1 (Apple Git-137.1)