From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f170.google.com (mail-pg1-f170.google.com [209.85.215.170]) (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 41D57482EF for ; Tue, 15 Apr 2025 02:04:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744682676; cv=none; b=C+giIpweV5jIfk/Wpc/j7CkNFCWsyg5PvoBp5U08eYa144ytNYhf2p/5EYxfnOZa23bOr5GzpzrcKHqoXw5wom2kjf6IrM+BMgzPfEx4fTxDGExQbD5ScIX1RWEIEic7btP1/vVAB1gQRIB4KtsWfguhPS1GjrRRsEQ0nonf0NQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744682676; c=relaxed/simple; bh=tEDXzDkWlHgvvbX/JljUt2UxkVPnnZQtkQIAfB5Q7M8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZRtuEtkE9/wO7cmOQ1FTH2k8qLvMNpDEtB5ztgc/P5vStee4c6JEKLDRVUt1huqNvB/2uWhrC+OAZWppTfll0TroOEfLX965Ztjvewlq9UAuueb5zm6qhf5YgPZ+e5V4O3S4R8JVZeue722jsj/B/evv2fCcR0t7SXUtDxdeUHw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pdp7.com; spf=none smtp.mailfrom=pdp7.com; dkim=pass (2048-bit key) header.d=pdp7-com.20230601.gappssmtp.com header.i=@pdp7-com.20230601.gappssmtp.com header.b=v7IVIRgi; arc=none smtp.client-ip=209.85.215.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pdp7.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=pdp7.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=pdp7-com.20230601.gappssmtp.com header.i=@pdp7-com.20230601.gappssmtp.com header.b="v7IVIRgi" Received: by mail-pg1-f170.google.com with SMTP id 41be03b00d2f7-7fd581c2bf4so4299367a12.3 for ; Mon, 14 Apr 2025 19:04:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pdp7-com.20230601.gappssmtp.com; s=20230601; t=1744682672; x=1745287472; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=vVKNwOsV5XMrSrMJnf19rxwG/iaJAJwZinmx64BUP7k=; b=v7IVIRgiEm06f5Sl1Ma+KA1tWciebQ/fDrAGee/jEludo/aWshcp+MAoUaXs0iL+qZ 30kgwwr1ZxNS/fqcNP3IpW06bYrHW/q/4yeFRsO83bbi36t0YOnkwP8DbwPG/VsWd9Zk pY197cus+iTFVu8j6vM2XV0j38nZ3thbMBn+jMLL+Ey5vR/MmbQaCTTXCiJ+NYweXWPi r0BtIVbEDQjWa0dyeyv4+Lewf4QOZMVb+l9DQFhfgm+yxwb1qNM7973/RkPL2JULbUa2 23XmYrMMMbzxa5IGhZvaxx1YmkK2bMU0ZNE071W/yY9OMkshH1ojP7IJTUlYxZIUwhdZ n9ew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744682672; x=1745287472; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=vVKNwOsV5XMrSrMJnf19rxwG/iaJAJwZinmx64BUP7k=; b=pn4g5Cj2GbswxzmsokjYCA0eFRj2xukbDRXfFakp7ArA5M6uX0nbl67S8MVKQYp1s5 ECD40Z9yYXtohhXRGgcLadDtOg38lFbRwnfzsC8d7X368jMxrgw62x1q51zgz24SKA4m BWuJfyTni4cpCuWqJStqhh+pRzvE6J6CdTOTJekQRXYG/sHWYROy5k75xTmTcxjL73kK UZjjlsxGkVUSwUZVs+nH427Qq8admuzOvvKQf2dRUpVYWGpCkiRwQEEjaJnAKjE7ltnb svifc+uktj1GfXEIlk0q5G9mUjX+hIcnSVU9ElC9C+GjJ9KxLJg4D26tXT7o5BKVpaPk ty3g== X-Forwarded-Encrypted: i=1; AJvYcCX7r+aoFk+Pns9dx6hea/c5IFH4sEUFn5dCfXA5JDWDYxjrjhsk3Cen2OFjf3qVw4aE3W/Xyyn4ls0N@vger.kernel.org X-Gm-Message-State: AOJu0YyGkwa2LHtLmUHID+fi1aEkSbFBA2Pkfrw7sIklRxJaucfAR0tv nOxFEvJArvuN1nCulM9s5tXxmr8WfgT5EVdA+XfzFDLt/gGEVvC0iXGVJ4EByJM= X-Gm-Gg: ASbGncs3geUeuU6YCNYBfQ0I/mStQDkpu6kzFsG7mXZIldxdD381/k6ZURXp6vPJwoP 5Cf5ytQEQOhqmdYWWei9tyFC/eKuAqwy1/GGwkfWs3NLK52u/zra8r9oLOjLG4FfI8Qh5kFAFmh w2UfI0T6VKBb2DzHCJ+rNMWJ14fUhPRxt8dkYlDY0qvDNxYETqRndGjHS3eJ8RKMdzfWfA+OmrW Z4KtJL8t69yMkXN18cP20iiPdhrYmU/ykrazzQHiqvXNwkT2saeWOtcE6tIqSsex0l5DP5KjhUy ggs3ZDCksTgKHFELZVyxxGhygK4pQsVbTL2h2B2gfEihKNc= X-Google-Smtp-Source: AGHT+IEGINtwuIIvAG2vOyy+05/hzxGzcyCN3rLg9V0W9dc2TsjoIN0MbhxjBGLcyWirEoR5Ps2qpQ== X-Received: by 2002:a17:90a:d64d:b0:2f9:c144:9d13 with SMTP id 98e67ed59e1d1-308237b9f43mr17682243a91.24.1744682672433; Mon, 14 Apr 2025 19:04:32 -0700 (PDT) Received: from x1 (97-120-122-6.ptld.qwest.net. [97.120.122.6]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-306dd12b4d5sm13372486a91.25.2025.04.14.19.04.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 19:04:31 -0700 (PDT) Date: Mon, 14 Apr 2025 19:04:29 -0700 From: Drew Fustini To: Michal Wilczynski Cc: mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, guoren@kernel.org, wefu@redhat.com, jassisinghbrar@gmail.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, frank.binns@imgtec.com, matt.coster@imgtec.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, ulf.hansson@linaro.org, jszhang@kernel.org, p.zabel@pengutronix.de, m.szyprowski@samsung.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Subject: Re: [PATCH v5 19/21] riscv: dts: thead: Introduce power domain nodes with aon firmware Message-ID: References: <20250219140239.1378758-1-m.wilczynski@samsung.com> <20250219140239.1378758-20-m.wilczynski@samsung.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250219140239.1378758-20-m.wilczynski@samsung.com> On Wed, Feb 19, 2025 at 03:02:37PM +0100, Michal Wilczynski wrote: > The DRM Imagination GPU requires a power-domain driver. In the T-HEAD > TH1520 SoC implements power management capabilities through the E902 > core, which can be communicated with through the mailbox, using firmware > protocol. > > Add AON node, which servers as a power-domain controller. > > Signed-off-by: Michal Wilczynski > --- > arch/riscv/boot/dts/thead/th1520.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi > index 197df1f32b25..474f31576a1b 100644 > --- a/arch/riscv/boot/dts/thead/th1520.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi > @@ -6,6 +6,7 @@ > > #include > #include > +#include > > / { > compatible = "thead,th1520"; > @@ -229,6 +230,13 @@ stmmac_axi_config: stmmac-axi-config { > snps,blen = <0 0 64 32 0 0 0>; > }; > > + aon: aon { > + compatible = "thead,th1520-aon"; > + mboxes = <&mbox_910t 1>; > + mbox-names = "aon"; > + #power-domain-cells = <1>; > + }; > + > soc { > compatible = "simple-bus"; > interrupt-parent = <&plic>; > -- > 2.34.1 > Reviewed-by: Drew Fustini I tested this on top of 6.15-rc1 and found no issues. -Drew