From patchwork Thu Jul 21 14:50:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12925311 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 6E71BC43334 for ; Thu, 21 Jul 2022 14:51:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KB/wfffKmyC3wzMgymDSyx8mePbSCp68m8jkc3mFlcg=; b=KFx+5d7SK7bAkU AMJKb38+gNSp6j8oAQQmdKIKc3qU6HuDn7CPcBjpRDiZuIdPpgYOBpniqQ1vFLCKAqhc5h1tkL9n6 JziMAWMGnKz1t9rLbJ20ACNtES5F60nQ7b1OfWrCwkommNQTwRAv9cupZ8zw2jvz2CK4wRmFJUGhx vvg+NglnF7OX66DslwTYF+RPDAVb8ah027xjxkJVqw9/VWYT+n0Du62pfuTOU6EJqV926g5rzKJB5 x584zPj8RSY/Or72Pl2yF66+klASW/ZYpwgkc88BEo6E0Lwn81CH0+15oH07lDWaDRv7fwbtqJuRh nN9+mLuSqvN4M5AEoN5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEXVa-008LKP-3W; Thu, 21 Jul 2022 14:50:34 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEXVW-008KvG-Fm; Thu, 21 Jul 2022 14:50:31 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id B803E6601AAE; Thu, 21 Jul 2022 15:50:28 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658415029; bh=c9v3l9FdU2UcsKgOUHjJo+v/EkJQURQSMnGUGxmVLvk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AnPIhqFHkbBbo3n1vL+fu46KmMrjOPabN0u76tdWr2UHBKNcXpRuxfjg5RAYka+1L bsqKjEIJXwIh4l1H57RjOfi2IUF5c0z3jPdJMg1GWjpTkFQVySXWk8ps4H4j3nB/cq SVAM5bE1d2bUUyX4QXu80WjL8BXNd1PGHC6f3UvCbj87sBieaKZ5ZbC4nCrVBf6jbq Xs5vPgIYQLT5nvdV7DY3YAcJlwNTcpnYA2u2FaA0dPC2756IOcfZUdcsl087PFyecH sMQ+J2vzPRpCmprDIpDLiSjTwMTynO7pIJDunQWUbmwVVF7s8+vWH5GbfJvvublW+G W3ipKOQXuj9Hw== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH v2 1/8] arm64: dts: mediatek: cherry: Enable the System Companion Processor Date: Thu, 21 Jul 2022 16:50:10 +0200 Message-Id: <20220721145017.918102-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220721145017.918102-1-angelogioacchino.delregno@collabora.com> References: <20220721145017.918102-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_075030_669990_9AF1D13C X-CRM114-Status: UNSURE ( 9.10 ) X-CRM114-Notice: Please train this message. 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 MT8195 features a SCP like some other older SoCs, and Cherry uses it for various tasks. Add the required pin configuration and DMA pool and enable the node. Signed-off-by: AngeloGioacchino Del Regno --- .../boot/dts/mediatek/mt8195-cherry.dtsi | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index fcc600674339..feebbe367e93 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -104,6 +104,18 @@ usb_vbus: regulator-5v0-usb-vbus { enable-active-high; regulator-always-on; }; + + reserved_memory: reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + scp_mem: memory@50000000 { + compatible = "shared-dma-pool"; + reg = <0 0x50000000 0 0x2900000>; + no-map; + }; + }; }; &i2c0 { @@ -600,6 +612,14 @@ pins-low-power-pupd { }; }; + scp_pins: scp-default-pins { + pins-vreq { + pinmux = ; + bias-disable; + input-enable; + }; + }; + spi0_pins: spi0-default-pins { pins-cs-mosi-clk { pinmux = , @@ -643,6 +663,14 @@ &pmic { interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>; }; +&scp { + status = "okay"; + + memory-region = <&scp_mem>; + pinctrl-names = "default"; + pinctrl-0 = <&scp_pins>; +}; + &spi0 { status = "okay";