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This is necessary if the MCU domain is to program the TPS6594 MCU ESM state machine, which is required to wire up the watchdog in a manner that will reset the board. Signed-off-by: Andrew Halaney --- arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts index 6695ebbcb4d0..6ed628c2884e 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts @@ -663,6 +663,7 @@ tps659413: pmic@48 { regulators { bucka12: buck12 { + bootph-all; regulator-name = "vdd_ddr_1v1"; regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1100000>; @@ -671,6 +672,7 @@ bucka12: buck12 { }; bucka3: buck3 { + bootph-all; regulator-name = "vdd_ram_0v85"; regulator-min-microvolt = <850000>; regulator-max-microvolt = <850000>; @@ -679,6 +681,7 @@ bucka3: buck3 { }; bucka4: buck4 { + bootph-all; regulator-name = "vdd_io_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -687,6 +690,7 @@ bucka4: buck4 { }; bucka5: buck5 { + bootph-all; regulator-name = "vdd_mcu_0v85"; regulator-min-microvolt = <850000>; regulator-max-microvolt = <850000>; @@ -695,6 +699,7 @@ bucka5: buck5 { }; ldoa1: ldo1 { + bootph-all; regulator-name = "vdd_mcuio_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -703,6 +708,7 @@ ldoa1: ldo1 { }; ldoa2: ldo2 { + bootph-all; regulator-name = "vdd_mcuio_3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; @@ -711,6 +717,7 @@ ldoa2: ldo2 { }; ldoa3: ldo3 { + bootph-all; regulator-name = "vds_dll_0v8"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <800000>; @@ -719,6 +726,7 @@ ldoa3: ldo3 { }; ldoa4: ldo4 { + bootph-all; regulator-name = "vda_mcu_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; From patchwork Wed Sep 11 17:19:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Halaney X-Patchwork-Id: 13800931 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 847BEEE0208 for ; 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Wed, 11 Sep 2024 10:19:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEwsQHEC7AmJgNaLgdRNL5pjLQixLL4YicXWOSGR3WlgK3rdczRispOhGIGDgkTse+2AyL9Xw== X-Received: by 2002:a05:620a:3711:b0:7a8:364:80b0 with SMTP id af79cd13be357-7a9e5f76f81mr8392885a.47.1726075159852; Wed, 11 Sep 2024 10:19:19 -0700 (PDT) Received: from x1gen2nano.local ([2600:1700:1ff0:d0e0::33]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a9a7946b8dsm444433285a.17.2024.09.11.10.19.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 10:19:19 -0700 (PDT) From: Andrew Halaney Date: Wed, 11 Sep 2024 12:19:03 -0500 Subject: [PATCH v2 2/2] arm64: dts: ti: k3-am69-sk: Mark tps659413 regulators as bootph-all MIME-Version: 1.0 Message-Id: <20240911-j784s4-tps6594-bootph-v2-2-a83526264ab1@redhat.com> References: <20240911-j784s4-tps6594-bootph-v2-0-a83526264ab1@redhat.com> In-Reply-To: <20240911-j784s4-tps6594-bootph-v2-0-a83526264ab1@redhat.com> To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Keerthy , Neha Malcom Francis , Eric Chanudet , Enric Balletbo , Udit Kumar , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Halaney X-Mailer: b4 0.14.1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240911_101923_076373_D6725F41 X-CRM114-Status: GOOD ( 11.91 ) 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 In order for the MCU domain to access this PMIC, a regulator needs to be marked appropriately otherwise it is not seen by SPL and therefore not configured. This is necessary if the MCU domain is to program the TPS6594 MCU ESM state machine, which is required to wire up the watchdog in a manner that will reset the board. Signed-off-by: Andrew Halaney --- arch/arm64/boot/dts/ti/k3-am69-sk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts index 1e36965a1403..f4d158a0b97d 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts @@ -750,6 +750,7 @@ tps659413: pmic@48 { regulators { bucka12: buck12 { + bootph-all; regulator-name = "vdd_ddr_1v1"; regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1100000>; @@ -758,6 +759,7 @@ bucka12: buck12 { }; bucka3: buck3 { + bootph-all; regulator-name = "vdd_ram_0v85"; regulator-min-microvolt = <850000>; regulator-max-microvolt = <850000>; @@ -766,6 +768,7 @@ bucka3: buck3 { }; bucka4: buck4 { + bootph-all; regulator-name = "vdd_io_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -774,6 +777,7 @@ bucka4: buck4 { }; bucka5: buck5 { + bootph-all; regulator-name = "vdd_mcu_0v85"; regulator-min-microvolt = <850000>; regulator-max-microvolt = <850000>; @@ -782,6 +786,7 @@ bucka5: buck5 { }; ldoa1: ldo1 { + bootph-all; regulator-name = "vdd_mcuio_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -790,6 +795,7 @@ ldoa1: ldo1 { }; ldoa2: ldo2 { + bootph-all; regulator-name = "vdd_mcuio_3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; @@ -798,6 +804,7 @@ ldoa2: ldo2 { }; ldoa3: ldo3 { + bootph-all; regulator-name = "vds_dll_0v8"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <800000>; @@ -806,6 +813,7 @@ ldoa3: ldo3 { }; ldoa4: ldo4 { + bootph-all; regulator-name = "vda_mcu_1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>;