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[78.11.189.27]) by smtp.gmail.com with ESMTPSA id n27-20020a05651203fb00b0048a757d1303sm2994356lfq.217.2022.09.08.04.45.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Sep 2022 04:45:12 -0700 (PDT) Message-ID: Date: Thu, 8 Sep 2022 13:45:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: [PATCH v6 2/2] ARM: dts: at91: Adding SAMA5D3-EDS board Content-Language: en-US To: Jerry Ray , Krzysztof Kozlowski , Rob Herring , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220902192236.14862-1-jerry.ray@microchip.com> <20220902192236.14862-2-jerry.ray@microchip.com> From: Krzysztof Kozlowski In-Reply-To: <20220902192236.14862-2-jerry.ray@microchip.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220908_044514_668078_AAB50563 X-CRM114-Status: GOOD ( 24.76 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 02/09/2022 21:22, Jerry Ray wrote: > The SAMA5D3-EDS board is an Ethernet Development Platform allowing for > evaluating many Microchip ethernet switch and PHY products. Various > daughter cards can connect up via an RGMII connector or an RMII connector. > > The EDS board is not intended for stand-alone use and has no ethernet > capabilities when no daughter board is connected. As such, this device > tree is intended to be used with a DT overlay defining the add-on board. > To better ensure consistency, some items are defined here as a form of > documentation so that all add-on overlays will use the same terms. > > Google search keywords: "Microchip SAMA5D3-EDS" > > Signed-off-by: Jerry Ray > --- > v5->v6: > - Replaced underscores in names where I can, improving naming. > v4->v5: > - patch now applies to v6.0-rc2 > v3->v4: > - Fixed regulators as necessary to get the board to boot from SD Card. > v2->v3: > - Alphabetized pinctrl entries. > - cleaned up a warning in the regulators section. > - License tweaked to 'OR MIT' > - Included Makefile change > v1->v2: > - Modified the compatible field in the device tree to reflect Microchip > Ethernet Development System Board. > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/at91-sama5d3_eds.dts | 309 +++++++++++++++++++++++++ > 2 files changed, 310 insertions(+) > create mode 100644 arch/arm/boot/dts/at91-sama5d3_eds.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index 05d8aef6e5d2..e92e639a2dc3 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -61,6 +61,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ > at91-sama5d2_icp.dtb \ > at91-sama5d2_ptc_ek.dtb \ > at91-sama5d2_xplained.dtb \ > + at91-sama5d3_eds.dtb \ > at91-sama5d3_ksz9477_evb.dtb \ > at91-sama5d3_xplained.dtb \ > at91-dvk_som60.dtb \ > diff --git a/arch/arm/boot/dts/at91-sama5d3_eds.dts b/arch/arm/boot/dts/at91-sama5d3_eds.dts > new file mode 100644 > index 000000000000..b4fe1c5f2997 > --- /dev/null > +++ b/arch/arm/boot/dts/at91-sama5d3_eds.dts > @@ -0,0 +1,309 @@ > +// SPDX-License-Identifier: GPL-2.0+ OR MIT > +/* > + * at91-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet > + * Development System board. > + * > + * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries > + * > + * Author: Jerry Ray > + */ > +/dts-v1/; > +#include "sama5d36.dtsi" > + > +/ { > + model = "SAMA5D3 Ethernet Development System"; > + compatible = "microchip,sama5d3-eds", "atmel,sama5d36", > + "atmel,sama5d3", "atmel,sama5"; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + clocks { > + slow_xtal { No underscores in node names. Override by label. > + clock-frequency = <32768>; > + }; > + > + main_xtal { > + clock-frequency = <12000000>; > + }; > + }; > + > + gpio { > + compatible = "gpio-keys"; > + > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_key_gpio>; > + > + button-3 { > + label = "PB_USER"; > + gpios = <&pioE 29 GPIO_ACTIVE_LOW>; > + linux,code = <0x104>; > + wakeup-source; > + }; > + }; > + > + memory@20000000 { > + reg = <0x20000000 0x10000000>; > + }; > + > + vcc_3v3_reg: buck-regulator-1 { Keep consistent prefix or suffix, so: regulator-buck-1 > + compatible = "regulator-fixed"; > + regulator-name = "VCC_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vcc_2v5_reg: ldo-regulator-2 { regulator-ldo-1 (why numbering of LDO regulators starts from 2? keep some sense in this) > + compatible = "regulator-fixed"; > + regulator-name = "VCC_2V5"; > + regulator-min-microvolt = <2500000>; > + regulator-max-microvolt = <2500000>; > + regulator-always-on; > + vin-supply = <&vcc_3v3_reg>; > + }; > + > + vcc_1v8_reg: ldo-regulator-3 { > + compatible = "regulator-fixed"; > + regulator-name = "VCC_1V8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-always-on; > + vin-supply = <&vcc_3v3_reg>; > + }; > + > + vcc_1v2_reg: buck-regulator-4 { > + compatible = "regulator-fixed"; > + regulator-name = "VCC_1V2"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > + regulator-always-on; > + }; > + > + vcc_mmc0_reg: fixedregulator-mmc0 { Just regulator-mmc0 > + compatible = "regulator-fixed"; > + regulator-name = "mmc0-card-supply"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_vcc_mmc0_reg_gpio>; > + gpio = <&pioE 2 GPIO_ACTIVE_LOW>; > + }; Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel