From patchwork Tue Oct 18 21:15:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 616157 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 665B2C43217 for ; Tue, 18 Oct 2022 21:15:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230307AbiJRVPx (ORCPT ); Tue, 18 Oct 2022 17:15:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230292AbiJRVPu (ORCPT ); Tue, 18 Oct 2022 17:15:50 -0400 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBC6497EEC; Tue, 18 Oct 2022 14:15:49 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 29ILFZsA108201; 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=gTQ4B39bfCOAR51Vjp8Il96QxRTSl3I2LdM3FOs7Vmc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=g58nKVg/EylAFMX/iaWIK+QnE1VXF+tFWuxKg4mgt6bTleX8t02t8rMGqwchl6TFH UIeUWCj1ZQYTVBv5NpeRTBiho0bW+npoK5lLT4GImnVm1lzDpOOlHY4fSjNm5sDsT1 aeW2UgbJyZcBVYY8iwFmRwOO2BdJRG6ndrhX9sx4= Received: from DFLE106.ent.ti.com (dfle106.ent.ti.com [10.64.6.27]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 29ILFZT3051875 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 18 Oct 2022 16:15:35 -0500 Received: from DFLE113.ent.ti.com (10.64.6.34) 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 15.1.2507.6; Tue, 18 Oct 2022 16:15:35 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE113.ent.ti.com (10.64.6.34) 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 16:15:35 -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 29ILFXoC014456; Tue, 18 Oct 2022 16:15:35 -0500 From: Andrew Davis To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Bryan Brattlof , , , CC: Andrew Davis Subject: [PATCH 02/10] arm64: dts: ti: k3-am62: Enable I2C nodes at the board level Date: Tue, 18 Oct 2022 16:15:25 -0500 Message-ID: <20221018211533.21335-3-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 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org I2C 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 I2C 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 | 4 ++++ 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 | 18 ++---------------- 4 files changed, 8 insertions(+), 16 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi index f6f8ccdb5f55..295c9bb22e7d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -271,6 +271,7 @@ main_i2c0: i2c@20000000 { power-domains = <&k3_pds 102 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 102 2>; clock-names = "fck"; + status = "disabled"; }; main_i2c1: i2c@20010000 { @@ -282,6 +283,7 @@ main_i2c1: i2c@20010000 { power-domains = <&k3_pds 103 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 103 2>; clock-names = "fck"; + status = "disabled"; }; main_i2c2: i2c@20020000 { @@ -293,6 +295,7 @@ main_i2c2: i2c@20020000 { power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 104 2>; clock-names = "fck"; + status = "disabled"; }; main_i2c3: i2c@20030000 { @@ -304,6 +307,7 @@ main_i2c3: i2c@20030000 { power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 105 2>; clock-names = "fck"; + status = "disabled"; }; main_spi0: spi@20100000 { diff --git a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi index 8dff39723628..7f715ebe8e24 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-mcu.dtsi @@ -33,6 +33,7 @@ mcu_i2c0: i2c@4900000 { power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 106 2>; clock-names = "fck"; + status = "disabled"; }; mcu_spi0: spi@4b00000 { diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi index 94cfc549f644..ff936d547c99 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi @@ -38,5 +38,6 @@ wkup_i2c0: i2c@2b200000 { power-domains = <&k3_pds 107 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 107 4>; clock-names = "fck"; + status = "disabled"; }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts index 0c7b25213e97..c280d6c00412 100644 --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts @@ -293,21 +293,15 @@ &main_uart1 { status = "reserved"; }; -&mcu_i2c0 { - status = "disabled"; -}; - -&wkup_i2c0 { - status = "disabled"; -}; - &main_i2c0 { + status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&main_i2c0_pins_default>; clock-frequency = <400000>; }; &main_i2c1 { + status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&main_i2c1_pins_default>; clock-frequency = <400000>; @@ -340,14 +334,6 @@ exp1: gpio@22 { }; }; -&main_i2c2 { - status = "disabled"; -}; - -&main_i2c3 { - status = "disabled"; -}; - &sdhci0 { pinctrl-names = "default"; pinctrl-0 = <&main_mmc0_pins_default>;