From patchwork Tue Sep 19 05:03:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ravi Gunasekaran X-Patchwork-Id: 13390830 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 ED0A8CD3437 for ; Tue, 19 Sep 2023 05:04:17 +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: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:In-Reply-To:References: List-Owner; bh=OX+S9j9YRS5x/+xEh8RMLQxjV7l4nrAmA84xgxd8oYA=; b=W4Jk2e4bllTp4u 8FLCwTswZEvogwTjCRW1IaPdKCxukMozSDSyCGxB6pYnxSTh66kqAStwrPTKPOTVqu4BbcVE2/wJG TD8FoT/qXZzhuRQmo/Ebu0JXEq+VSFa04TF0mMdaIAR7hvcOxXUi3PydUl0i66A2aoLvag0O1Dvx3 crHu9stQpiqyaETum1jrdzsWuHti2loKVP/a6Q0X/hsKuLid5SQgnyfsSNM+bt8tHFTwiinIPshsL buMf7nuns96QMfEc2XntG22bCFb1eCo3l1RFsfXdZZo692OQZqjPVp/LOoea1HCcFLRoilX9yyoGV 4YQjErA/bShHgL60IsLg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qiStu-00H0gX-1z; Tue, 19 Sep 2023 05:03:54 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qiSts-00H0fc-0b for linux-arm-kernel@lists.infradead.org; Tue, 19 Sep 2023 05:03:53 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 38J53ilr033417; Tue, 19 Sep 2023 00:03:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1695099824; bh=Qxte3NSWyXwQKUnE4uwx5fv70zsk2G/8xvszmCXZ6lI=; h=From:To:CC:Subject:Date; b=tlW2CQGrFP91DlqnsV35cMcdBcgWE7cW+QW5bbfXywlNCzk7G7ysl8G1IEi1+qvpi /J3640BbAP/DMdxUbHRuTBD1kwImg4md5dlDJ+LF6wbpEXfgg4xoA28ytVP9qe18aB 7A+8dJfWhhjaw4WDVPNWvp9rZyoCwt4n9kNN6dMA= Received: from DFLE106.ent.ti.com (dfle106.ent.ti.com [10.64.6.27]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 38J53i2i067738 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 19 Sep 2023 00:03:44 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 19 Sep 2023 00:03:44 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 19 Sep 2023 00:03:44 -0500 Received: from uda0500640.dal.design.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 38J53ecD081238; Tue, 19 Sep 2023 00:03:41 -0500 From: Ravi Gunasekaran To: , CC: , , , , , , , Subject: [PATCH] arm64: dts: ti: k3-am654-base-board: Add I2C I/O expander Date: Tue, 19 Sep 2023 10:33:40 +0530 Message-ID: <20230919050340.16156-1-r-gunasekaran@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230918_220352_271691_39405D52 X-CRM114-Status: GOOD ( 10.08 ) 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 AM654 baseboard has two TCA9554 I/O expander on the WKUP_I2C0 bus. The expander at address 0x38 is used to detect daughter cards. Add a node for this I/O expander. Signed-off-by: Ravi Gunasekaran --- arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 7 +++++++ 1 file changed, 7 insertions(+) base-commit: dfa449a58323de195773cf928d99db4130702bf7 diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index f5c26e9fba98..035b20386ef3 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -381,6 +381,13 @@ interrupt-controller; #interrupt-cells = <2>; }; + + pca9554_1: gpio@38 { + compatible = "nxp,pca9554"; + reg = <0x38>; + gpio-controller; + #gpio-cells = <2>; + }; }; &mcu_i2c0 {