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Mon, 18 Dec 2017 16:18:14 +0100 Received: from lmecxl0923.lme.st.com (10.48.0.237) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.352.0; Mon, 18 Dec 2017 16:18:13 +0100 From: Ludovic Barre To: Russell King , Rob Herring , Linus Walleij , Arnd Bergmann Subject: [PATCH V2 9/9] ARM: dts: stm32: add initial support of stm32mp157c eval board Date: Mon, 18 Dec 2017 16:17:52 +0100 Message-ID: <1513610272-7824-10-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1513610272-7824-1-git-send-email-ludovic.Barre@st.com> References: <1513610272-7824-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-12-18_11:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171218_071850_131822_4D7D4D88 X-CRM114-Status: GOOD ( 13.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Torgue , linux-kernel@vger.kernel.org, Ludovic Barre , Maxime Coquelin , Gerald Baeza , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ludovic Barre Add support of stm32mp157c evaluation board (part number: STM32MP157C-EV1) split in 2 elements: -Daughter board (part number: STM32MP157C-ED1) which includes CPU, memory and power supply -Mother board (part number: STM32MP157C-EM1) which includes external peripherals (like display, camera,...) and extension connectors. The daughter board can run alone, this is why the device tree files are split in two layers, for the complete evaluation board (ev1) and for the daughter board alone (ed1). Signed-off-by: Ludovic Barre Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/Makefile | 6 ++++-- arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 13 +++++++++++++ arch/arm/boot/dts/stm32mp157c-ed1.dts | 29 +++++++++++++++++++++++++++++ arch/arm/boot/dts/stm32mp157c-ev1.dts | 19 +++++++++++++++++++ 4 files changed, 65 insertions(+), 2 deletions(-) create mode 100644 arch/arm/boot/dts/stm32mp157c-ed1.dts create mode 100644 arch/arm/boot/dts/stm32mp157c-ev1.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index d0381e9..d72c71c 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -839,7 +839,7 @@ dtb-$(CONFIG_ARCH_STI) += \ stih410-b2120.dtb \ stih410-b2260.dtb \ stih418-b2199.dtb -dtb-$(CONFIG_ARCH_STM32)+= \ +dtb-$(CONFIG_ARCH_STM32) += \ stm32f429-disco.dtb \ stm32f469-disco.dtb \ stm32f746-disco.dtb \ @@ -847,7 +847,9 @@ dtb-$(CONFIG_ARCH_STM32)+= \ stm32429i-eval.dtb \ stm32746g-eval.dtb \ stm32h743i-eval.dtb \ - stm32h743i-disco.dtb + stm32h743i-disco.dtb \ + stm32mp157c-ed1.dtb \ + stm32mp157c-ev1.dtb dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ sun4i-a10-ba10-tvbox.dtb \ diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index 440276a..7ac65f4 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -145,6 +145,19 @@ ngpios = <8>; gpio-ranges = <&pinctrl 0 160 8>; }; + + uart4_pins_a: uart4@0 { + pins1 { + pinmux = ; /* UART4_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = ; /* UART4_RX */ + bias-disable; + }; + }; }; pinctrl_z: pin-controller-z { diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts new file mode 100644 index 0000000..86acdb4 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* + * Copyright (C) STMicroelectronics 2017 - All Rights Reserved + * Author: Ludovic Barre for STMicroelectronics. + */ +/dts-v1/; + +#include "stm32mp157c.dtsi" +#include "stm32mp157-pinctrl.dtsi" + +/ { + model = "STMicroelectronics STM32MP157C eval daughter"; + compatible = "st,stm32mp157c-ed1", "st,stm32mp157"; + + chosen { + bootargs = "earlyprintk console=ttySTM3,115200 root=/dev/ram"; + stdout-path = "serial3:115200n8"; + }; + + memory { + reg = <0xC0000000 0x40000000>; + }; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins_a>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts new file mode 100644 index 0000000..a310703 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* + * Copyright (C) STMicroelectronics 2017 - All Rights Reserved + * Author: Ludovic Barre for STMicroelectronics. + */ +/dts-v1/; + +#include "stm32mp157c-ed1.dts" + +/ { + model = "STMicroelectronics STM32MP157C eval daughter on eval mother"; + compatible = "st,stm32mp157c-ev1", "st,stm32mp157c-ed1", "st,stm32mp157"; + + chosen { + bootargs = "earlyprintk console=ttySTM3,115200 root=/dev/ram"; + stdout-path = "serial3:115200n8"; + }; +}; +