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: 688852 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 4BE8BC7EE2D for ; Fri, 2 Jun 2023 15:36:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236359AbjFBPgP (ORCPT ); Fri, 2 Jun 2023 11:36:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235675AbjFBPgM (ORCPT ); Fri, 2 Jun 2023 11:36:12 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA4C71A1; Fri, 2 Jun 2023 08:36:09 -0700 (PDT) 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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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 {