From nobody Sun Sep 22 03:42:40 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 18C0BC433FE for ; Thu, 5 May 2022 19:46:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385346AbiEETue (ORCPT ); Thu, 5 May 2022 15:50:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1385361AbiEETu1 (ORCPT ); Thu, 5 May 2022 15:50:27 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CD495E168; Thu, 5 May 2022 12:46:41 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nfraprado) with ESMTPSA id 782D21F45CCE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1651780000; bh=4PBOh4M6bJ2M0kJAtlVqT+bTLE2+DOSd+p4NN3H8MQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QKA+47hAV5ct/svISUIaYtGG5R/sdS7fMhJs89/a16lQCxjf4o4CjsvkqnJsXgiDz N1sey4E/PkrX2KyFuS6rkShD0Kvg+iNGap4LHhiWSAMQlUNrsLFnrKMkDjlYDZv5g0 rYcJGUjOd3YvvKd/WDl9WTTki2G2q3DdWgOJasAtiRQGabVMDSAxvx4GQMnUTRkPHK riayXt8vZGtRcfIy4/akKmcd4FSVaYjDsY6RSr8+mdRkcJ3cukG+2saQFOKurxl2Uu 9paXDzzT1t88+gVXu4HMr9Dzskn0I//D6F0mEmAP93j476tPJ0zOMLiu6Oa27+EcP9 matsHtM8koagg== From: =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= To: Matthias Brugger Cc: AngeloGioacchino Del Regno , kernel@collabora.com, Chen-Yu Tsai , =?UTF-8?q?N=C3=ADcolas=20F=2E=20R=2E=20A=2E=20Prado?= , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 09/16] arm64: dts: mediatek: asurada: Add Cr50 TPM Date: Thu, 5 May 2022 15:45:43 -0400 Message-Id: <20220505194550.3094656-10-nfraprado@collabora.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220505194550.3094656-1-nfraprado@collabora.com> References: <20220505194550.3094656-1-nfraprado@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Asurada platform has a Google Security Chip connected to the SPI5 bus. It runs the cr50 firmware and provides TPM functionality. Add support for it. Signed-off-by: N=C3=ADcolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno --- (no changes since v1) .../arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/= boot/dts/mediatek/mt8192-asurada.dtsi index a1cbf7a375b6..5221f1d1b7dc 100644 --- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi @@ -5,6 +5,7 @@ */ /dts-v1/; #include "mt8192.dtsi" +#include =20 / { aliases { @@ -353,6 +354,13 @@ &pio { "AUD_DAT_MISO0", "AUD_DAT_MISO1"; =20 + cr50_int: cr50-irq-default-pins { + pins-gsc-ap-int-odl { + pinmux =3D ; + input-enable; + }; + }; + cros_ec_int: cros-ec-irq-default-pins { pins-ec-ap-int-odl { pinmux =3D ; @@ -517,6 +525,15 @@ &spi5 { mediatek,pad-select =3D <0>; pinctrl-names =3D "default"; pinctrl-0 =3D <&spi5_pins>; + + cr50@0 { + compatible =3D "google,cr50"; + reg =3D <0>; + interrupts-extended =3D <&pio 171 IRQ_TYPE_EDGE_RISING>; + spi-max-frequency =3D <1000000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&cr50_int>; + }; }; =20 &uart0 { --=20 2.36.0