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 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 48E20C3ABC9 for ; Tue, 13 May 2025 22:14:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=swB1Y7Qu5nV3v4fJ5qKmzudD8LkKar6pzlkj0R1vLvc=; b=Ld/CtxeehghBCpT7F8EDk+QEGN /SQ8NkpiJj6ke2sL0YG3IVsDYDu2yhf8JISwP4FRZDnNYe5eOBr71zM73pXJi/Q3J1d4X9d8bDf4k XPjVLSUL9ESVbuA7LTQmmY9aID0340d5LjCv44tH9j8lhClhppmNn1nXGPTmOjDHCwJbdbmf2tX7R JE82Y1frR/3GrGEU/7tv+qerh338CnTupvc30/3LqqpkUMzuM+Sw0VAFajmIHypdZws4uUozbBWdd in2UrB6YI51lFhFpjSL5/LSciwLpYqsTVf2uy6unoKpzENkyZ5LleP1QlYrytzM5MSHlTx8WRIpbj Ijb5beYQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uExth-0000000De6S-2ShN; Tue, 13 May 2025 22:14:49 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uExfK-0000000DcQz-1tfb for linux-arm-kernel@bombadil.infradead.org; Tue, 13 May 2025 21:59:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=swB1Y7Qu5nV3v4fJ5qKmzudD8LkKar6pzlkj0R1vLvc=; b=Akke9h9pTKmnrSPQvZsAT7ksvl p2/80Jj3XJd/YJDQyneOkZdo2DPE3ZA+33nwIqct7eQXPd18Kox7a/mNhXIhM+u6jTRg+8aLtK4G5 YN9rxK7a15EQcinKb77u7gq+mEanNDFRNAn2tGKxLTtrwDOaTNByekXzuKdVGW/CyFSXFRbpfwXoG jE4qK/QuKkgoZOjnMGZBHZQFiTQVlkYZJcQXVNg8cr8J1N+XEiEsD0y9ESyUMAgtUe/haI/iOYM0E WUXNNBAm88DFZ8T5H7+5eDCtdgRNwkt+19wy/L0B5neweaps/VwoLPtN+w0YxhGl3s4VpY3rLBGMk Khs9DAfg==; Received: from fllvem-ot04.ext.ti.com ([198.47.19.246]) by desiato.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1uExfD-0000000H2lX-3NxY for linux-arm-kernel@lists.infradead.org; Tue, 13 May 2025 21:59:57 +0000 Received: from lelvem-sh02.itg.ti.com ([10.180.78.226]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTP id 54DLxaJ62965929; Tue, 13 May 2025 16:59:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1747173576; bh=swB1Y7Qu5nV3v4fJ5qKmzudD8LkKar6pzlkj0R1vLvc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=kUvyx8lh75X4oNKi0KM087tLc9Xn33YPUwac4zbXsuRzRyW+ob8G+n/MjuK/7Ea53 T+lRBwIUJFs5gt1Lj44sgx4PJq1d8sDpJgh74WIBFn4GL8SD+ellRpxMg1M4DGikvV RkuHNw5BBa9ER1pO7eD/3C3nNx7N+pzgqMaPzR9k= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by lelvem-sh02.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 54DLxZ031005887 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Tue, 13 May 2025 16:59:36 -0500 Received: from DLEE109.ent.ti.com (157.170.170.41) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 13 May 2025 16:59:35 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE109.ent.ti.com (157.170.170.41) 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, 13 May 2025 16:59:35 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 54DLxYdG111031; Tue, 13 May 2025 16:59:35 -0500 From: Judith Mendez To: Judith Mendez , Greg Kroah-Hartman , Jiri Slaby CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Santosh Shilimkar , Vignesh Raghavendra , Tero Kristo , Bin Liu , Andy Shevchenko , Andrew Davis , , , , Subject: [PATCH 5/7] DONOTMERGE: arm64: dts: ti: k3-am642-sk: Enable PRU UART Date: Tue, 13 May 2025 16:59:32 -0500 Message-ID: <20250513215934.933807-6-jm@ti.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250513215934.933807-1-jm@ti.com> References: <20250513215934.933807-1-jm@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250513_225953_836765_62134D4A X-CRM114-Status: GOOD ( 10.17 ) 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 There is one PRU UART module in each ICSSG for am64 SoC. UART RX/TX signals for PRU UART in ICSSG0 can be routed from/to the PRU Connector J10 (pins 45/44) on am64x SK, so enable icssg0_uart by default and add pinmux node. Signed-off-by: Judith Mendez --- arch/arm64/boot/dts/ti/k3-am642-sk.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 1deaa0be0085..9065fc8a7569 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -25,6 +25,7 @@ aliases { serial0 = &mcu_uart0; serial1 = &main_uart1; serial2 = &main_uart0; + serial3 = &icssg0_uart; i2c0 = &main_i2c0; i2c1 = &main_i2c1; mmc0 = &sdhci0; @@ -284,6 +285,15 @@ AM64X_IOPAD(0x0244, PIN_OUTPUT, 0) /* (E14) UART1_TXD */ >; }; + icssg0_uart_pins_default: icssg0-uart-default-pins { + pinctrl-single,pins = < + AM64X_IOPAD(0x0184, PIN_INPUT, 2) /* (W6) PRG0_PRU0_GPO9.PRG0_UART0_CTSn */ + AM64X_IOPAD(0x0188, PIN_OUTPUT, 2) /* (AA5) PRG0_PRU0_GPO10.PRG0_UART0_RTSn */ + AM64X_IOPAD(0x01d4, PIN_INPUT, 2) /* (Y5) PRG0_PRU1_GPO9.PRG0_UART0_RXD */ + AM64X_IOPAD(0x01d8, PIN_OUTPUT, 2) /* (V6) PRG0_PRU1_GPO10.PRG0_UART0_TXD */ + >; + }; + main_usb0_pins_default: main-usb0-default-pins { bootph-all; pinctrl-single,pins = < @@ -413,6 +423,12 @@ &main_uart1 { pinctrl-0 = <&main_uart1_pins_default>; }; +&icssg0_uart { + pinctrl-names = "default"; + pinctrl-0 = <&icssg0_uart_pins_default>; + status = "okay"; +}; + &main_i2c0 { bootph-all; status = "okay"; -- 2.49.0