From nobody Sat Sep 21 22:46:06 2024 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40784C43334 for ; Thu, 21 Jul 2022 14:50:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231587AbiGUOuh (ORCPT ); Thu, 21 Jul 2022 10:50:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230248AbiGUOub (ORCPT ); Thu, 21 Jul 2022 10:50:31 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D3FF252A9; Thu, 21 Jul 2022 07:50:30 -0700 (PDT) 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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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/b= oot/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 =3D <2>; + #size-cells =3D <2>; + ranges; + + scp_mem: memory@50000000 { + compatible =3D "shared-dma-pool"; + reg =3D <0 0x50000000 0 0x2900000>; + no-map; + }; + }; }; =20 &i2c0 { @@ -600,6 +612,14 @@ pins-low-power-pupd { }; }; =20 + scp_pins: scp-default-pins { + pins-vreq { + pinmux =3D ; + bias-disable; + input-enable; + }; + }; + spi0_pins: spi0-default-pins { pins-cs-mosi-clk { pinmux =3D , @@ -643,6 +663,14 @@ &pmic { interrupts-extended =3D <&pio 222 IRQ_TYPE_LEVEL_HIGH>; }; =20 +&scp { + status =3D "okay"; + + memory-region =3D <&scp_mem>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&scp_pins>; +}; + &spi0 { status =3D "okay"; =20 --=20 2.35.1