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Mon, 21 Sep 2020 23:15:03 -0700 (PDT) Date: Tue, 22 Sep 2020 11:44:54 +0530 From: Manivannan Sadhasivam To: Matheus Castello , arnd@arndb.de, olof@lixom.net Subject: Re: [PATCH v7 4/4] arm64: dts: Add Caninos Loucos Labrador v3 Message-ID: <20200922061454.GA29035@Mani-XPS-13-9360> References: <20200922024302.205062-1-matheus@castello.eng.br> <20200922024302.205062-5-matheus@castello.eng.br> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200922024302.205062-5-matheus@castello.eng.br> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200922_021507_196662_4326F427 X-CRM114-Status: GOOD ( 21.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, linux-actions@lists.infradead.org, linux-kernel@vger.kernel.org, edgar.righi@lsitec.org.br, helen.koike@collabora.com, robh+dt@kernel.org, igor.lima@lsitec.org.br, afaerber@suse.de, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Mon, Sep 21, 2020 at 11:43:02PM -0300, Matheus Castello wrote: > Add Device Trees for Caninos Loucos Labrador CoM Core v3 and base board > M v2. Based on the work of Andreas F=E4rber on Cubieboard 7 device tree. > = > Signed-off-by: Matheus Castello > --- > arch/arm64/boot/dts/actions/Makefile | 2 + > .../dts/actions/s700-labrador-base-m2.dts | 34 +++++ > .../boot/dts/actions/s700-labrador-v3.dtsi | 122 ++++++++++++++++++ > 3 files changed, 158 insertions(+) > create mode 100644 arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts > create mode 100644 arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi > = > diff --git a/arch/arm64/boot/dts/actions/Makefile b/arch/arm64/boot/dts/a= ctions/Makefile > index b57fd2372ecd..3765697fa91e 100644 > --- a/arch/arm64/boot/dts/actions/Makefile > +++ b/arch/arm64/boot/dts/actions/Makefile > @@ -2,4 +2,6 @@ > = > dtb-$(CONFIG_ARCH_ACTIONS) +=3D s700-cubieboard7.dtb > = > +dtb-$(CONFIG_ARCH_ACTIONS) +=3D s700-labrador-base-m2.dtb > + > dtb-$(CONFIG_ARCH_ACTIONS) +=3D s900-bubblegum-96.dtb > diff --git a/arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts b/arch= /arm64/boot/dts/actions/s700-labrador-base-m2.dts > new file mode 100644 > index 000000000000..63bbca46475b > --- /dev/null > +++ b/arch/arm64/boot/dts/actions/s700-labrador-base-m2.dts > @@ -0,0 +1,34 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2020 Matheus Castello > + */ > + > +/dts-v1/; > + > +#include "s700-labrador-v3.dtsi" > + > +/ { > + compatible =3D "caninos,labrador-base-m2", > + "caninos,labrador-v3", "actions,s700"; > + model =3D "Caninos Labrador Core v3 on Labrador Base-M v2"; > + > + aliases { > + serial3 =3D &uart3; > + }; > + > + chosen { > + stdout-path =3D "serial3:115200n8"; > + }; > +}; > + > +&uart3 { > + status =3D "okay"; No fixed clock? > +}; > + > +&i2c0 { > + status =3D "okay"; > +}; > + > +&i2c1 { > + status =3D "okay"; > +}; > diff --git a/arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi b/arch/arm= 64/boot/dts/actions/s700-labrador-v3.dtsi > new file mode 100644 > index 000000000000..91addba6382b > --- /dev/null > +++ b/arch/arm64/boot/dts/actions/s700-labrador-v3.dtsi > @@ -0,0 +1,122 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2020 Matheus Castello > + */ > + > +#include "s700.dtsi" > + > +/ { > + compatible =3D "caninos,labrador-v3", "actions,s700"; > + model =3D "Caninos Labrador Core v3.1"; > + > + memory@0 { > + device_type =3D "memory"; > + reg =3D <0x0 0x0 0x0 0x80000000>; > + }; > + > + memory@1,e0000000 { > + device_type =3D "memory"; > + reg =3D <0x1 0xe0000000 0x0 0x0>; > + }; > + What is the size of this memory? The datasheet says only 512MB Max. > + /* Labrador v3 firmware does not support PSCI */ Oops. This is unfortunate... I'm not sure if this is even acceptable for ARM64 machines. Let me add Olof and Arnd... Thanks, Mani > + cpus { > + #address-cells =3D <1>; > + #size-cells =3D <0>; > + > + cpu0: cpu@0 { > + device_type =3D "cpu"; > + compatible =3D "arm,cortex-a53"; > + reg =3D <0x0>; > + enable-method =3D "spin-table"; > + cpu-release-addr =3D <0 0x1f000020>; > + next-level-cache =3D <&L2>; > + }; > + > + cpu1: cpu@1 { > + device_type =3D "cpu"; > + compatible =3D "arm,cortex-a53"; > + reg =3D <0x1>; > + enable-method =3D "spin-table"; > + cpu-release-addr =3D <0 0x1f000020>; > + next-level-cache =3D <&L2>; > + }; > + > + cpu2: cpu@2 { > + device_type =3D "cpu"; > + compatible =3D "arm,cortex-a53"; > + reg =3D <0x2>; > + enable-method =3D "spin-table"; > + cpu-release-addr =3D <0 0x1f000020>; > + next-level-cache =3D <&L2>; > + }; > + > + cpu3: cpu@3 { > + device_type =3D "cpu"; > + compatible =3D "arm,cortex-a53"; > + reg =3D <0x3>; > + enable-method =3D "spin-table"; > + cpu-release-addr =3D <0 0x1f000020>; > + next-level-cache =3D <&L2>; > + }; > + }; > + > + L2: l2-cache { > + compatible =3D "cache"; > + cache-level =3D <2>; > + }; > +}; > + > +&timer { > + clocks =3D <&hosc>; > +}; > + > +&i2c0 { > + pinctrl-names =3D "default"; > + pinctrl-0 =3D <&i2c0_default>; > +}; > + > +&i2c1 { > + pinctrl-names =3D "default"; > + pinctrl-0 =3D <&i2c1_default>; > +}; > + > +&i2c2 { > + pinctrl-names =3D "default"; > + pinctrl-0 =3D <&i2c2_default>; > +}; > + > +&pinctrl { > + i2c0_default: i2c0_default { > + pinmux { > + groups =3D "i2c0_mfp"; > + function =3D "i2c0"; > + }; > + pinconf { > + pins =3D "i2c0_sclk", "i2c0_sdata"; > + bias-pull-up; > + }; > + }; > + > + i2c1_default: i2c1_default { > + pinmux { > + groups =3D "i2c1_dummy"; > + function =3D "i2c1"; > + }; > + pinconf { > + pins =3D "i2c1_sclk", "i2c1_sdata"; > + bias-pull-up; > + }; > + }; > + > + i2c2_default: i2c2_default { > + pinmux { > + groups =3D "i2c2_dummy"; > + function =3D "i2c2"; > + }; > + pinconf { > + pins =3D "i2c2_sclk", "i2c2_sdata"; > + bias-pull-up; > + }; > + }; > +}; > -- > 2.28.0 > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel