From patchwork Fri Jun 2 21:49:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nishanth Menon X-Patchwork-Id: 13265878 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 06A46C7EE29 for ; Fri, 2 Jun 2023 21:50:12 +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: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=G6438ouLokRqIHbhYqwi/1nBHfLSJ5tPLN0AtP9EmR8=; b=l7MEWeG65OlK1w 3cDquo7kyYZqbQO5n6LebmhE5tbmf3QbQCn+EReBdc4tdvzCu1wJ2yFalvAldkBNQvVrttk8XXXC2 1c6VPUJ4Ti9HGQQ5jm0/Kdlm32RNw2n4FnrmqZAzmm8YemMSTQl05Pn48eZ/ftlN3QbCde8DyhUXa UGxSOlckbqahLqsmaRysQEFRs8X38IglCK4+qHDOfoPLldQeoxEKVbiRsibTkkh53S6diOod/640R Wz66Y1V+0Ak2XYis1vjX8G1PPQKdOM4+N17JK1B212Agzub/Lns9Fm4zZtmmYUuNZFwcLC0d3aKAx gqgrQuQJkJ91D1oCtd3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q5Ceb-007yxY-34; Fri, 02 Jun 2023 21:49:49 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q5CeW-007yuv-1u for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 21:49:46 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 352Lndl2103185; Fri, 2 Jun 2023 16:49:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1685742579; bh=TMNSZMGkksF+J7rQabIxoZP4bfr+ASz+Tbwfb4Ef9wE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=PoGxlVSRkb31KYp2WtztBplHhm9+ATw+kN4SBI9nhNbITExO8JkM/ikvKfvckp1SW LOBwRo/TbBR/XOuWqHkvFiip5wFcm8mPFQpWdx5Bmxsd+Go5xlhYaePId2fYiHgBBn lB3u/bj/5WlOeRVAd4N1mC6tn/XSs0G7j+zUm27I= Received: from DFLE107.ent.ti.com (dfle107.ent.ti.com [10.64.6.28]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 352Lnd07059494 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 2 Jun 2023 16:49:39 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 2 Jun 2023 16:49:38 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE114.ent.ti.com (10.64.6.35) 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; Fri, 2 Jun 2023 16:49:39 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 352LndBR006136; Fri, 2 Jun 2023 16:49:39 -0500 From: Nishanth Menon To: Conor Dooley , Krzysztof Kozlowski , Rob Herring , Tero Kristo , Vignesh Raghavendra CC: , , , Nishanth Menon , Udit Kumar , Nitin Yadav , Neha Malcom Francis , Sinthu Raja , Thejasvi Konduru , Dasnavis Sabiya Subject: [PATCH 6/8] arm64: dts: ti: k3-am69-sk: Add mcu and wakeup uarts Date: Fri, 2 Jun 2023 16:49:35 -0500 Message-ID: <20230602214937.2349545-7-nm@ti.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230602214937.2349545-1-nm@ti.com> References: <20230602214937.2349545-1-nm@ti.com> 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-20230602_144944_707193_93284936 X-CRM114-Status: GOOD ( 10.65 ) 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 Add wakeup and MCU uart. This allows the device tree usage in bootloader and firmwares that can configure the same appropriately. Signed-off-by: Nishanth Menon --- Depends on https://lore.kernel.org/linux-arm-kernel/20230503083143.32369-1-t-konduru@ti.com/ arch/arm64/boot/dts/ti/k3-am69-sk.dts | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts index ae41ff6249a1..409fcbaf0126 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts @@ -21,6 +21,8 @@ chosen { }; aliases { + serial0 = &wkup_uart0; + serial1 = &mcu_uart0; serial2 = &main_uart8; mmc1 = &main_sdhci1; i2c3 = &main_i2c0; @@ -141,6 +143,22 @@ J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */ }; &wkup_pmx2 { + wkup_uart0_pins_default: wkup-uart0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */ + J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */ + J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */ + J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */ + >; + }; + + mcu_uart0_pins_default: mcu-uart0-pins-default { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */ + J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */ + >; + }; + mcu_cpsw_pins_default: mcu-cpsw-pins-default { pinctrl-single,pins = < J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */ @@ -166,6 +184,19 @@ J784S4_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (B35) MCU_MDIO0_MDIO */ }; }; +&wkup_uart0 { + /* Firmware usage */ + status = "reserved"; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_uart0_pins_default>; +}; + +&mcu_uart0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_uart0_pins_default>; +}; + &main_uart8 { status = "okay"; pinctrl-names = "default";