From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E19CB18E05F; Sun, 22 Dec 2024 14:24:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734877444; cv=none; b=IcwzU69HqzoWSXr3lgQTxy66UrxTDSEejhXpHvdaSJeUe3rAiquIUGyqkplsit9SVj1BhcPGrXYt2N56h+8JPuWNgWRa+v8jj5lcH4hJ0p8kNpinaaXgOfmOIxab43n/O1UU5gjOHMYztp5smGoPBfVKPZI2+BZhfOMMRgBmGXo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734877444; c=relaxed/simple; bh=+RfQuaWAbggzfl6hhCqxUia8Uq6x6a4Y6LK2Ftl1J9E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Uu47D5eKjjUpcONdPoSwmXqseUrQr7G7Wd3My4+L3fvav1rD4mHzoJ3jXZhNfNBjeVrCvZTlJ5RUp+Y/K6v3xPqFVODQmkFFp/47CbNZZUZ3gT49EG7FYoXA8xiw1LwtmsFaw0e4J7156WNYJC2UElj9w8M//0mejN7X2aGwZX0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EjnHDGRh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EjnHDGRh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3B14C4CED3; Sun, 22 Dec 2024 14:23:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734877443; bh=+RfQuaWAbggzfl6hhCqxUia8Uq6x6a4Y6LK2Ftl1J9E=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=EjnHDGRhlf7agy6qxA8x0En11gyfFSKwDtxxeKxeHlmLl7JAGi4xWuyXCh+qr49dB vkAGvW1/pyjukJ15CA+GyCaQAOQWT/Wv/hh83OXtF2div/Nk2j5UCBSNYBfsrSvxB1 MR8FJ3ZHiwoXtl3Ora+RZ25MqQjWDXIvwAV+NOHtgrqnwSfuYlOc5dKdPXjbeQbsle 3H5IBCMjKXP7snEzuQIkJUn0m27HkqIAfFKbIrF79aMf4AtBo9AQ8mY3/VBDsZEZ0S 96RiysvonNH/FPxX2awOIOeiGQN/QMlUE9otYFMbnf85WlLScltCGLscvc8TCAheMi 6+Jk8nVN0n2gQ== Message-ID: Date: Sun, 22 Dec 2024 12:47:15 +0100 Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/4] arm64: dts: exynos: gs101: add AP to APM mailbox node To: Tudor Ambarus , Peter Griffin , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Catalin Marinas , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, andre.draszik@linaro.org, kernel-team@android.com, willmcvicker@google.com, daniel.lezcano@linaro.org, vincent.guittot@linaro.org, ulf.hansson@linaro.org, arnd@arndb.de, Jassi Brar References: <20241220-gs101-acpm-dt-v3-0-642d64daa5d1@linaro.org> <20241220-gs101-acpm-dt-v3-2-642d64daa5d1@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/12/2024 15:45, Tudor Ambarus wrote: > GS101 has 14 mailbox controllers. Add the AP to APM mailbox node. > > Mailbox controllers have a shared register that can be used for passing > the mailbox messages. The AP to APM mailbox controller is used just as a > doorbell mechanism. It raises interrupt to the firmware after the mailbox > message has been written to SRAM where the TX/RX rings are defined. > > Signed-off-by: Tudor Ambarus > --- > arch/arm64/boot/dts/exynos/google/gs101.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi > index 1441e9a252c2..6947dd081a0e 100644 > --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi > +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi > @@ -1445,6 +1445,15 @@ wakeup-interrupt-controller { > }; > }; > > + ap2apm_mailbox: mailbox@17610000 { > + compatible = "google,gs101-mbox"; I don't think I have this in my tree and cover letter does not explain where I can find bindings. Nothing in next from few days ago. Always document in DTS patchset where are the bindings, unless it's obvious. Best regards, Krzysztof