From patchwork Fri Jun 2 15:35:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nishanth Menon X-Patchwork-Id: 13265524 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 29FEDC7EE2D for ; Fri, 2 Jun 2023 15:36:34 +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=2RzKhu6/KbSV7PbX3QoPsSeZs/ggSiRyfdU408a8/44=; b=i6zuDU0CwCa3ei k8oR4WibOHZMXyvIBsXTDndmMZaiMMydL+CwpOgkXP6fm88Xb9tn9083b530y7iCuIA3Q52lAqAEf yUlI6MugV5f0N0AM9WNUk8UfS3aggntTeKyUhx2f3UfZaDAvxQhpiW00G/C+4Wmzu8LDjYHnKCdZW lFkOgbgyB2I2WfEr1jcMBNH9D8tZreKir8fvRj5UfX6yRgFbyBAcATU24sYDF1OnANIyCwLyuKwQk mTFzsbZF6yMUIuuRHZdT5sIPtEKJzaoDFnxGEFi5tz0oa8Mtn0DrzACa16R2Jkq5Mw+dcG/0KcmYD P1RJRH2x52dchK2uVA7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q56p1-007H85-2C; Fri, 02 Jun 2023 15:36:11 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q56ov-007H5X-00 for linux-arm-kernel@lists.infradead.org; Fri, 02 Jun 2023 15:36:09 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 352FZvau118405; Fri, 2 Jun 2023 10:35:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1685720157; bh=URQLikW4i6p/yS1LGKoVMXHzfa2hlYD5+Ta3mGuHcYU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=V3ajfBOMAiy2zZFovWNPuJqB+BF3ie4V2XUC3Rfc4vaMOFx8wFstqTXQH+6YWEiUo xR3bq5MZmLf0FZypTmlEn3vQ+CBc9dIDKZHyNQpZG2+c/sb5HW7S4RLrkoSVQEh8Zf xZ0Fl6ZlTsUxHMnGpj4FVBlcFNcH48uCOPnHADC4= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 352FZvv7056221 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 2 Jun 2023 10:35:57 -0500 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE111.ent.ti.com (10.64.6.32) 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 10:35:57 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) 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 via Frontend Transport; Fri, 2 Jun 2023 10:35:57 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 352FZv6V046548; Fri, 2 Jun 2023 10:35:57 -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 Subject: [PATCH 3/6] arm64: dts: ti: k3-am68-sk-base-board: Add uart pinmux Date: Fri, 2 Jun 2023 10:35:51 -0500 Message-ID: <20230602153554.1571128-4-nm@ti.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230602153554.1571128-1-nm@ti.com> References: <20230602153554.1571128-1-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_083605_205557_115A4373 X-CRM114-Status: GOOD ( 11.62 ) 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 Define the wakeup uart pin-mux for completeness and add explicit muxing for mcu_uart0. This allows the device tree usage in bootloader and firmwares that can configure the same appropriately. Signed-off-by: Nishanth Menon --- New patch in the series .../boot/dts/ti/k3-am68-sk-base-board.dts | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts index 014ff13d1032..979898bc5b02 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts @@ -22,6 +22,8 @@ chosen { }; aliases { + serial0 = &wkup_uart0; + serial1 = &mcu_uart0; serial2 = &main_uart8; mmc1 = &main_sdhci1; can0 = &mcu_mcan0; @@ -202,6 +204,15 @@ J721S2_IOPAD(0x08c, PIN_INPUT, 7) /* (T25) MCASP0_AXR7.GPIO0_35 */ }; &wkup_pmx2 { + wkup_uart0_pins_default: wkup-uart0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (E25) WKUP_GPIO0_6.WKUP_UART0_CTSn */ + J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (F28) WKUP_GPIO0_7.WKUP_UART0_RTSn */ + J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (D28) WKUP_UART0_RXD */ + J721S2_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */ + >; + }; + mcu_cpsw_pins_default: mcu-cpsw-pins-default { pinctrl-single,pins = < J721S2_WKUP_IOPAD(0x02C, PIN_INPUT, 0) /* (B22) MCU_RGMII1_RD0 */ @@ -254,6 +265,13 @@ J721S2_WKUP_IOPAD(0x07c, PIN_INPUT, 0) /* (H26) WKUP_GPIO0_9.MCU_I2C1_SDA */ >; }; + mcu_uart0_pins_default: mcu-uart0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (C24) WKUP_GPIO0_13.MCU_UART0_RXD */ + J721S2_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (C25) WKUP_GPIO0_12.MCU_UART0_TXD */ + >; + }; + mcu_rpi_header_gpio0_pins0_default: mcu-rpi-header-gpio0-pins0-default { pinctrl-single,pins = < J721S2_WKUP_IOPAD(0x118, PIN_INPUT, 7) /* (G25) WKUP_GPIO0_66 */ @@ -305,6 +323,14 @@ &wkup_gpio1 { &wkup_uart0 { 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 {