From patchwork Fri Nov 17 23:23:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lech Perczak X-Patchwork-Id: 744954 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mnb0yIFB" Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37AB793 for ; Fri, 17 Nov 2023 15:24:08 -0800 (PST) Received: by mail-lf1-x12d.google.com with SMTP id 2adb3069b0e04-50a938dda08so3675266e87.3 for ; Fri, 17 Nov 2023 15:24:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700263446; x=1700868246; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=XQ+B/L8i5I4moYPo2ebVEMU/rIESTe0wmqEektzIRIA=; b=mnb0yIFBFbaywjEj7uh6xh1jfdAc3ubduNWXydIj5rkrj0d9FeNfZJxfN82HRRYJ9a AInphNguJ1hRnd9qUtaVEBCP2ZffWfINqcmDddbJY+hU0LG86y+g9KkCm1GpWMJoWh+t Ojt74urGHCN43QSUeOxqkEbOUuyLo2Fa4fBhBNgeHC7u8URQRY5tqOWd3d816RfqI24x At5q+D33jqUsD7ak6VcbrMLTl9Olpn6lFgWDpMMFK9+VZ+WwR0fX+DWqNOsrZFyrIFzx 710MyHJB6cRvbu7jQmqDE/BB+G/7mlGjLyXrKEhww5bC5BrpdnBkqkSOFbbqDNz82B/U 5Vcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700263446; x=1700868246; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=XQ+B/L8i5I4moYPo2ebVEMU/rIESTe0wmqEektzIRIA=; b=Tojz184tNYqrbv7gY3sdkSWGiNc9gm5Qf7Im6rXXVVU5SnGR1UENCd+4JjpFpxkrv3 nwFKZv7YhZBGnhSwwRrWDhEHHITqn/eqYeOr+7gmJxd1jCOCP8GhVpPTcpRxgOnUb3AO W1iIgphUlFObTUkZY6XOMRcKIw09zFBQ6FNl2dJ9x7pSOYshcF75RmtJQ6VEwUSVQKEK 2ZAccGs5hZJeJyyevENmpnMH+Mz25DiEDChXnTwF0s+lro/1KpLznJXvWtZRYRX3v6ur OtlynnLaupeCnIF9+DoUYpHEfVvUiw1QHkpgOqJ+621QLedvr5QwubzehbPAXjmpl9sV dSIQ== X-Gm-Message-State: AOJu0Yz/JI/CE7epWz7lSws7wKYN6RLnZgegc3a7lbYuIe2ujOCdJtve Lq39ureENWuBtEyrV8KDs7cdoz/0jb5swg== X-Google-Smtp-Source: AGHT+IHbL8Fipc6DqYjMonL8xSBpXYLVPeX4bMf4q0OhHuelxRNX5XGpO3vo0CzO5eB4Qth5TzTZoQ== X-Received: by 2002:a05:6512:1111:b0:50a:a6b4:de4f with SMTP id l17-20020a056512111100b0050aa6b4de4fmr102354lfg.36.1700263446191; Fri, 17 Nov 2023 15:24:06 -0800 (PST) Received: from rafiki.local ([89.35.145.100]) by smtp.gmail.com with ESMTPSA id l6-20020a056512110600b00507d1cc0458sm382789lfg.51.2023.11.17.15.24.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Nov 2023 15:24:05 -0800 (PST) From: Lech Perczak To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Lech Perczak , Fabio Estevam , Shawn Guo , Sascha Hauer Subject: [PATCH] ARM: dts: nxp: imx7d-pico: add cpu-supply nodes Date: Sat, 18 Nov 2023 00:23:52 +0100 Message-Id: <20231117232352.101713-1-lech.perczak@gmail.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The PICO-IMX7D SoM has the usual power supply configuration using output sw1a of PF3000 PMIC, which was defined in downstream derivative of linux-imx (see link) in the sources for "Android Things" devkit. It is required to support CPU frequency scaling. Map the respective "cpu-supply" nodes of each core to sw1a of the PMIC. Enabling them causes cpufreq-dt, and imx-thermal drivers to probe successfully, and CPU frequency scaling to function. Link: https://android.googlesource.com/platform/hardware/bsp/kernel/nxp/imx-v4.1/+/o-iot-preview-5/arch/arm/boot/dts/imx7d-pico.dtsi#849 Cc: Fabio Estevam Cc: Shawn Guo Cc: Sascha Hauer Signed-off-by: Lech Perczak --- arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) base-commit: b85ea95d086471afb4ad062012a4d73cd328fa86 diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi b/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi index c5eefe89cd99..8d5037ac03c7 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi @@ -108,6 +108,14 @@ &clks { assigned-clock-rates = <0>, <32768>; }; +&cpu0 { + cpu-supply = <&sw1a_reg>; +}; + +&cpu1 { + cpu-supply = <&sw1a_reg>; +}; + &ecspi3 { cs-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; pinctrl-names = "default";