From mboxrd@z Thu Jan 1 00:00:00 1970 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 7B129C433EF for ; Thu, 21 Jul 2022 13:42:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229768AbiGUNmr (ORCPT ); Thu, 21 Jul 2022 09:42:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229510AbiGUNme (ORCPT ); Thu, 21 Jul 2022 09:42:34 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1FBF6E2EE; Thu, 21 Jul 2022 06:42:33 -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 109F76601AA6; Thu, 21 Jul 2022 14:42:32 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1658410952; bh=c9v3l9FdU2UcsKgOUHjJo+v/EkJQURQSMnGUGxmVLvk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OkVDZWha7vPOkYv3QWOdwwcm0I3l+qpeL6HLXUlu7an+/a25Dqt08Et+Ocjvwraen gP/uSu0tKir44Fm+2Ies0QgSzDZGEUieIlctq7Zk+1JRcdoszRdXu/7czwWlkcRisJ IWIZB798RJ8vi+RMdYa4M12s2+W3OmBy3+CyOWNqiXSz0LRiuc/l0wfNT4ELTCmlG5 FyhhgtiVh3tNrDYQhQD0uiczHmU9z/OFA5+USzig9kx79xiqisJF+kIEFVHaJcdag0 RmLCR+NQxJidkdvVxLTvpvKnzakYMpURuez0cs44BQSn6ddfHlHEmqaJjXCW10HUE3 O2cfVZJNU6Jqg== 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 1/8] arm64: dts: mediatek: cherry: Enable the System Companion Processor Date: Thu, 21 Jul 2022 15:42:21 +0200 Message-Id: <20220721134228.310178-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220721134228.310178-1-angelogioacchino.delregno@collabora.com> References: <20220721134228.310178-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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"; -- 2.35.1