From patchwork Thu Dec 5 18:01:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tudor Ambarus X-Patchwork-Id: 13895922 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2720E77170 for ; Thu, 5 Dec 2024 18:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YUhzG3caX9aWXbpAIl+TsEC4KHzPHOePfY0vBdmRaDs=; b=w/Eq1nyjHK+Rim8fwjbvszeCYf uJ3j+7w2G5saILpeZvi2Zf2PNyZ3OEE2z7dJaMt4BQuBCNGoEj7GPqNhzLlUsJbwFSnnYZh/8W+dX mdbW0EsRwId2MIR8jbbjXfyD91TXxDvW2mOvNBdlQQtjFYWUW4XEiNHTcMcLweLzUKPY9Qlhaa7io CkuWGL98uGh2CuiizA43AkB1VuKdmOErTo1SaVguaP6Ye1bpekt+pg3OxTwkXT9TOzlRQVkWRZ6ed iDu2o9TB+Q4EdOfWAGlYzhFWTnSrQY0TAt3XUB7qg9asJpiTrE6agMPyrbYR4VG+u3riTJsBgExtO b/Ms/ktw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tJGDv-0000000H3gk-3tSr; Thu, 05 Dec 2024 18:05:11 +0000 Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tJGAw-0000000H2yc-3ivl for linux-arm-kernel@lists.infradead.org; Thu, 05 Dec 2024 18:02:07 +0000 Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-385e1fcb0e1so667291f8f.2 for ; Thu, 05 Dec 2024 10:02:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733421725; x=1734026525; darn=lists.infradead.org; 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=YUhzG3caX9aWXbpAIl+TsEC4KHzPHOePfY0vBdmRaDs=; b=BfDm3VsSk9j5uZ9l3ZBJNiUoEvG0PFZuTe+Y64sq3NJjY464XLfNHviSy4+3+90syj /P/9c/8Guo8rIS8g//vOHHrrKONIKT19OLSBvzvQ6LMApTuEcY2vhwNrIYeWXAlVS2i6 x5TOcHUnLx0g36rIKMWnLxNDVkINiJDXB7g+3Vs+DVBJRAwdbt38X15pjqhnLda/XvbM DUAYQmFk/Q+ilvSw1/Slhz+5iNBdoJasixBlZJFb+k0eCBshhgY0nFmntWXXjT1JAHIR 84NKdPvJMAs7IyAHWYqkeJ2GRvug+BCHYVh0nANcZfKXnAF9h/gEGRopBL8LqXj1PJs5 FQ5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733421725; x=1734026525; 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=YUhzG3caX9aWXbpAIl+TsEC4KHzPHOePfY0vBdmRaDs=; b=TNhLa0dF+G+47wsxYoTHcvdCcWM2OPP3O26oOY9x/m/0DM+NkBq1p+6iQXSwLFKLDP LSV/1c7/afydSAnY5zyHHPy/dc/yPXxjvkj9yNMOijuKjVrUidEqlxQy4lsosGW5/q/Q F9ZEp/6QWPjmsm3cbdo64W8GbeAprcAIar5gQb9n8I54SkPsELmSYLa5av19FqOS1Git X2ZKSNu7ZPBS14NInoJLGjYJbdvOyYNA/v0NfZ/+ad1eQsTVMvo3IbST3NDrdNu2s626 iBb6HFn2HeIZ+InwttdFBspAPI9n+cRPIdDQC+OxJxRstGariXmJmS9BLqKoAjgfzvFo 0MSA== X-Forwarded-Encrypted: i=1; AJvYcCWWZ6DvFpvEB1P1P+uOIWDGY4fD/w4Q4R9Vzmus/1+ltaIYToPeTfKlPp9dmgomxZZP7B3bYMQJdMPdsRYxNJ0z@lists.infradead.org X-Gm-Message-State: AOJu0Yy7GHvRp6VjeG8SgbmG9S/gvkJkv3W/J5tMbj5FplZN3nWZj2Nc 4qnPWnqYhqFLTtoAdG41Pk23ADPnES/dCQzNCXZPmI707ySXgsW5fE7Mgon2RF8= X-Gm-Gg: ASbGncviyv5/Ur8C0O5CXG84cds1/JE/ejUfScx2k09YJ0uOp37hfubbMka6laC8Pn4 N4oKxjJyD1IuZrmGXUsvwL7HUP5eD5Lkcl5+bEj/dH6KAlvWjOINIbyYEtHVh9fYoqa5sgnCwJK TNpKM+pdJZfl7pZ0n2+ipDDObMOqVUBcZPLiaXSf1eFmOuGlNVupv0/MapaChOZc5fdB9t4uHms zKotxcFGNd5e5IxdRzKypvvR5TVkQtPT+3Vzw3amWRBUsSRq2Ib3i2xvZtt1bNpd6qzTyuI+5rf cPmPO5M7Jq5THD/QqrbOaE6bP4LGqSmP X-Google-Smtp-Source: AGHT+IGmIVnSzknE9WcSqtMq8Jlgijm5XW+UPlAChDtBhFcBlLYDYS+u/7aO8ZXJh83ENw/Haen6jg== X-Received: by 2002:a05:6000:178b:b0:382:41ad:d8e2 with SMTP id ffacd0b85a97d-3862b3d096emr17492f8f.39.1733421724972; Thu, 05 Dec 2024 10:02:04 -0800 (PST) Received: from ta2.c.googlers.com.com (32.134.38.34.bc.googleusercontent.com. [34.38.134.32]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-386219098d3sm2618228f8f.70.2024.12.05.10.02.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Dec 2024 10:02:04 -0800 (PST) From: Tudor Ambarus To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, alim.akhtar@samsung.com Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, andre.draszik@linaro.org, kernel-team@android.com, willmcvicker@google.com, peter.griffin@linaro.org, javierm@redhat.com, tzimmermann@suse.de, daniel.lezcano@linaro.org, vincent.guittot@linaro.org, ulf.hansson@linaro.org, arnd@arndb.de, Tudor Ambarus Subject: [PATCH 2/4] arm64: dts: exynos: gs101: add AP to APM mailbox node Date: Thu, 5 Dec 2024 18:01:58 +0000 Message-ID: <20241205180200.203146-3-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog In-Reply-To: <20241205180200.203146-1-tudor.ambarus@linaro.org> References: <20241205180200.203146-1-tudor.ambarus@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241205_100206_924489_374F1F3F X-CRM114-Status: GOOD ( 10.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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..0970f6fc1ef5 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-acpm-mbox"; + reg = <0x17610000 0x1000>; + clocks = <&cmu_apm CLK_GOUT_APM_MAILBOX_APM_AP_PCLK>; + clock-names = "pclk"; + interrupts = ; + #mbox-cells = <1>; + }; + pinctrl_gsactrl: pinctrl@17940000 { compatible = "google,gs101-pinctrl"; reg = <0x17940000 0x00001000>;