From patchwork Tue Oct 18 21:15:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 13011058 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 E3D6CC4332F for ; Tue, 18 Oct 2022 21:17:42 +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=H4LQS18+5I3H1Wu4NKy/EO5TxCusjO8rO89bw6HPsOQ=; b=1LSnxLXP4cmTRP z1pKCoxHXqbunr/NN8RpdTijoADP5vWmFmHh4zVp/A+QQToSfKXrEepiDgPJfjLt3lBQxioU98Mo/ cgwv57+fp2WJSmc/TyqRLYXvKlWpK29qDcfy5R4y+vwsWULE69ZPmyB1RkJXPscVixvwvJBVnGR/j +ykh5TxUmO6AS65LT+IBS8IKGc2jZVvT61FYHhLzrSpj16VC/V1JmPLO4AvOwL5rOSuKwcvZBI9ju jtYPMHHjZs+xZDKH1gN+bNzj1nFxWCbaq8E1d+LlQI7Tj+m5reLZ0c0iGQ5Z6KPUDnf9G0hYuvhok xbZ+bvR+LfHQfHxXeKCQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oktwv-00AVIE-Q8; Tue, 18 Oct 2022 21:16:33 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oktw9-00AUxj-UK for linux-arm-kernel@lists.infradead.org; Tue, 18 Oct 2022 21:15:49 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 29ILFZIn108197; Tue, 18 Oct 2022 16:15:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1666127735; bh=939GvM1Q8ml1Y6Lep+yqEBlfwO/6A1y41YOp9qKUxvI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ps416gHBsaunURBpndZl03XNld+NRrLrl/4o0hT19w+4figvxRPyzmHu04XCcdEfJ z+MupnPWHfvACIiIyjg05PEiKfcJDQiHgL5XGCT5FCDQl9DjRXW6N6GmT2txRtFxCR cfTkAXaU0FLxs2qsAn6+I/tiBMozK4O4rZFvdpcc= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 29ILFZxY014127 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 18 Oct 2022 16:15:35 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6; Tue, 18 Oct 2022 16:15:34 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) 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 15.1.2507.6 via Frontend Transport; Tue, 18 Oct 2022 16:15:34 -0500 Received: from ula0226330.dal.design.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 29ILFXoB014456; Tue, 18 Oct 2022 16:15:34 -0500 From: Andrew Davis To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Bryan Brattlof , , , CC: Andrew Davis Subject: [PATCH 01/10] arm64: dts: ti: k3-am62: Enable UART nodes at the board level Date: Tue, 18 Oct 2022 16:15:24 -0500 Message-ID: <20221018211533.21335-2-afd@ti.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221018211533.21335-1-afd@ti.com> References: <20221018211533.21335-1-afd@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-20221018_141546_150568_8CBF652A X-CRM114-Status: GOOD ( 12.12 ) 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 UART nodes defined in the top-level AM62x SoC dtsi files are incomplete and will not be functional unless they are extended with pinmux information. As the pinmux is only known at the board integration level, these nodes should only be enabled when provided with this information. Disable the UART nodes in the dtsi files and only enable the ones that are actually pinned out on a given board. Signed-off-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 7 ++++++ arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am625-sk.dts | 25 +--------------------- 4 files changed, 10 insertions(+), 24 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index 03660476364f..f6f8ccdb5f55 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -199,6 +199,7 @@ main_uart0: serial@2800000 { power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 146 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart1: serial@2810000 { @@ -208,6 +209,7 @@ main_uart1: serial@2810000 { power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 152 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart2: serial@2820000 { @@ -217,6 +219,7 @@ main_uart2: serial@2820000 { power-domains = <&k3_pds 153 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 153 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart3: serial@2830000 { @@ -226,6 +229,7 @@ main_uart3: serial@2830000 { power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 154 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart4: serial@2840000 { @@ -235,6 +239,7 @@ main_uart4: serial@2840000 { power-domains = <&k3_pds 155 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 155 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart5: serial@2850000 { @@ -244,6 +249,7 @@ main_uart5: serial@2850000 { power-domains = <&k3_pds 156 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 156 0>; clock-names = "fclk"; + status = "disabled"; }; main_uart6: serial@2860000 { @@ -253,6 +259,7 @@ main_uart6: serial@2860000 { power-domains = <&k3_pds 158 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 158 0>; clock-names = "fclk"; + status = "disabled"; }; main_i2c0: i2c@20000000 { diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi index f56c803560f2..8dff39723628 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi @@ -21,6 +21,7 @@ mcu_uart0: serial@4a00000 { power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 149 0>; clock-names = "fclk"; + status = "disabled"; }; mcu_i2c0: i2c@4900000 { diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index 4090134676cf..94cfc549f644 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -26,6 +26,7 @@ wkup_uart0: serial@2b300000 { power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 114 0>; clock-names = "fclk"; + status = "disabled"; }; wkup_i2c0: i2c@2b200000 { diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts index 93a5f0817efc..0c7b25213e97 100644 --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts @@ -282,11 +282,8 @@ &wkup_uart0 { status = "reserved"; }; -&mcu_uart0 { - status = "disabled"; -}; - &main_uart0 { + status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&main_uart0_pins_default>; }; @@ -296,26 +293,6 @@ &main_uart1 { status = "reserved"; }; -&main_uart2 { - status = "disabled"; -}; - -&main_uart3 { - status = "disabled"; -}; - -&main_uart4 { - status = "disabled"; -}; - -&main_uart5 { - status = "disabled"; -}; - -&main_uart6 { - status = "disabled"; -}; - &mcu_i2c0 { status = "disabled"; };