[U-Boot] [PATCH] ARM: dts: Add support for stm32f746-evaluation board support

Patrice CHOTARD patrice.chotard at st.com
Mon Feb 19 08:05:23 UTC 2018


Hi Vikas

On 02/17/2018 01:00 AM, Vikas MANOCHA wrote:
> Hi,
> 
> <-----Original Message-----
> <From: Patrice CHOTARD
> <Sent: Friday, February 16, 2018 4:27 AM
> <To: u-boot at lists.denx.de; albert.u.boot at aribaud.net; sjg at chromium.org; Vikas MANOCHA <vikas.manocha at st.com>
> <Cc: Patrice CHOTARD <patrice.chotard at st.com>; Patrick DELAUNAY <patrick.delaunay at st.com>; Christophe KERELLO
> <<christophe.kerello at st.com>; Christophe PRIOUZEAU <christophe.priouzeau at st.com>
> <Subject: [PATCH] ARM: dts: Add support for stm32f746-evaluation board support
> <
> <From: Patrice Chotard <patrice.chotard at st.com>
> <
> <This board offers:
> <  _ STM32F746NGH6 microcontroller with 1 Mbyte Flash and 320+4 Kbytes RAM
> <  _ Six 5 V power supply options:
> <        Power jack
> <        ST-LINK/V2-1 USB connector
> <        User USB HS connector
> <        User USB FS1 connector
> <        User USB FS2 connector
> <        Daughterboard
> <  _ SAI Audio DAC, stereo audio jack which supports headset with microphone
> <  _ Stereo digital microphone, audio jack connector used to connect
> <    external speakers
> <  _ 2 Gbytes (or more) SDMMC interface microSD card
> <  _ RF-EEPROM on I2C compatible serial interface
> <  _ RS-232 communication
> <  _ IrDA transceiver
> <  _ JTAG/SWD and ETM trace debug support, ST-LINK/V2-1 embedded
> <  _ IEEE-802.3-2002 compliant Ethernet connector
> <  _ Camera module
> <  _ 8Mx32 bit SDRAM, 1Mx16 bit SRAM & 8Mx16 bit Nor Flash
> <  _ 512 Mbits QuadSPI Nor Flash
> <  _ 5.7 inch 640x480 pixel TFT color LCD with capacitive touch panel
> <  _ Joystick with 4-direction control and selector
> <  _ Reset, WakeUp/Tamper or key button
> <  _ 4 color user LEDs
> <  _ Extension connectors & memory connectors for daughterboard or
> <    wrapping board
> <  _ USB OTG HS and FS with Micro-AB connectors
> <  _ RTC with backup battery
> <  _ CAN 2.0A/B compliant connection
> <  _ Potentiometer
> <  _ Motor control connector
> <
> <More detailed information are available here :
> <http://www.st.com/en/evaluation-tools/stm32746g-eval.html
> <
> <To compile stm32f746-eval board, use same defconfig as stm32f746-disco, the only difference is to pass "DEVICE_TREE=stm32746g-
> <eval".
> 
> Can we just make it "stm32f746-eval" to be consistent with the other device tree names.
> If kernel uses this name, then it needs to be fixed there also.

Yes on kernel side, this name is used. I will ask to Alexandre Torgue 
(STM32 maintainer) to rename it.

I expect to synchronize DT between kernel and U-boot probably when 4.17 
will be out as we 'll push a lot of update on STM32 DT side.

Thanks

Patrice

> 
> <
> <Signed-off-by: Christophe Priouzeau <christophe.priouzeau at st.com>
> <Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
> 
> Acked-by: Vikas Manocha <vikas.manocha at st.com>
> 
> Cheers,
> Vikas
> 
> <---
> < arch/arm/dts/Makefile           |   3 +-
> < arch/arm/dts/stm32746g-eval.dts | 240 ++++++++++++++++++++++++++++++++++++++++
> < 2 files changed, 242 insertions(+), 1 deletion(-)  create mode 100644 arch/arm/dts/stm32746g-eval.dts
> <
> <diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index c7695aa1f1dc..a2f6a10ae39d 100644
> <--- a/arch/arm/dts/Makefile
> <+++ b/arch/arm/dts/Makefile
> <@@ -224,7 +224,8 @@ dtb-$(CONFIG_STM32F4) += stm32f429-disco.dtb \
> < 	stm32f469-disco.dtb
> <
> < dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \
> <-	stm32f769-disco.dtb
> <+	stm32f769-disco.dtb \
> <+	stm32746g-eval.dtb
> < dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb \
> < 	stm32h743i-eval.dtb
> <
> <diff --git a/arch/arm/dts/stm32746g-eval.dts b/arch/arm/dts/stm32746g-eval.dts new file mode 100644 index
> <000000000000..4f6d38acccd7
> <--- /dev/null
> <+++ b/arch/arm/dts/stm32746g-eval.dts
> <@@ -0,0 +1,240 @@
> <+/*
> <+ * Copyright 2018 - Christophe Priouzeau <christophe.priouzeau at st.com>
> <+ *
> <+ * Based on:
> <+ * stm32f746-disco.dts from U-boot 2018.01
> <+ * Copyright 2016 - Lee Jones <lee.jones at linaro.org>
> <+ *
> <+ * This file is dual-licensed: you can use it either under the terms
> <+ * of the GPL or the X11 license, at your option. Note that this dual
> <+ * licensing only applies to this file, and not this project as a
> <+ * whole.
> <+ *
> <+ *  a) This file is free software; you can redistribute it and/or
> <+ *     modify it under the terms of the GNU General Public License as
> <+ *     published by the Free Software Foundation; either version 2 of the
> <+ *     License, or (at your option) any later version.
> <+ *
> <+ *     This file is distributed in the hope that it will be useful,
> <+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> <+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> <+ *     GNU General Public License for more details.
> <+ *
> <+ * Or, alternatively,
> <+ *
> <+ *  b) Permission is hereby granted, free of charge, to any person
> <+ *     obtaining a copy of this software and associated documentation
> <+ *     files (the "Software"), to deal in the Software without
> <+ *     restriction, including without limitation the rights to use,
> <+ *     copy, modify, merge, publish, distribute, sublicense, and/or
> <+ *     sell copies of the Software, and to permit persons to whom the
> <+ *     Software is furnished to do so, subject to the following
> <+ *     conditions:
> <+ *
> <+ *     The above copyright notice and this permission notice shall be
> <+ *     included in all copies or substantial portions of the Software.
> <+ *
> <+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> <+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> <+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> <+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> <+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> <+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> <+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> <+ *     OTHER DEALINGS IN THE SOFTWARE.
> <+ */
> <+
> <+/dts-v1/;
> <+#include "stm32f746.dtsi"
> <+#include <dt-bindings/memory/stm32-sdram.h>
> <+
> <+/ {
> <+	model = "STMicroelectronics STM32F746G-EVAL board";
> <+	compatible = "st,stm32f746g-eval", "st,stm32f746";
> <+
> <+	chosen {
> <+		bootargs = "root=/dev/mmcblk0p1 rw rootwait";
> <+		stdout-path = "serial0:115200n8";
> <+	};
> <+
> <+	memory {
> <+		reg = <0xC0000000 0x2000000>;
> <+	};
> <+
> <+	aliases {
> <+		serial0 = &usart1;
> <+		spi0 = &qspi;
> <+		mmc0 = &sdio;
> <+		/* Aliases for gpios so as to use sequence */
> <+		gpio0 = &gpioa;
> <+		gpio1 = &gpiob;
> <+		gpio2 = &gpioc;
> <+		gpio3 = &gpiod;
> <+		gpio4 = &gpioe;
> <+		gpio5 = &gpiof;
> <+		gpio6 = &gpiog;
> <+		gpio7 = &gpioh;
> <+		gpio8 = &gpioi;
> <+		gpio9 = &gpioj;
> <+		gpio10 = &gpiok;
> <+	};
> <+
> <+	led1 {
> <+		compatible = "st,led1";
> <+		led-gpio = <&gpiof 10 0>;
> <+	};
> <+
> <+	button1 {
> <+		compatible = "st,button1";
> <+		button-gpio = <&gpioc 13 0>;
> <+	};
> <+};
> <+
> <+&clk_hse {
> <+	clock-frequency = <25000000>;
> <+};
> <+
> <+&pinctrl {
> <+	usart1_pins_a: usart1 at 0	{
> <+		pins1 {
> <+		       pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
> <+				bias-disable;
> <+				drive-push-pull;
> <+				slew-rate = <2>;
> <+		};
> <+		pins2 {
> <+			pinmux = <STM32F746_PA10_FUNC_USART1_RX>;
> <+			bias-disable;
> <+		};
> <+	};
> <+
> <+	ethernet_mii: mii at 0 {
> <+	      pins {
> <+		      pinmux = <STM32F746_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
> <+			     <STM32F746_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
> <+			     <STM32F746_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
> <+			     <STM32F746_PA2_FUNC_ETH_MDIO>,
> <+			     <STM32F746_PC1_FUNC_ETH_MDC>,
> <+			     <STM32F746_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
> <+			     <STM32F746_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
> <+			     <STM32F746_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
> <+			     <STM32F746_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>;
> <+		      slew-rate = <2>;
> <+	      };
> <+	};
> <+
> <+	fmc_pins: fmc at 0 {
> <+		pins {
> <+			pinmux = <STM32F746_PI10_FUNC_FMC_D31>, /* FMC_D31 */
> <+				 <STM32F746_PI9_FUNC_FMC_D30>,  /* FMC_D30*/
> <+				 <STM32F746_PI7_FUNC_FMC_D29>,  /* FMC_D29 */
> <+				 <STM32F746_PI6_FUNC_FMC_D28>,  /* FMC_D28 */
> <+				 <STM32F746_PI3_FUNC_FMC_D27>,  /* FMC_D27 */
> <+				 <STM32F746_PI2_FUNC_FMC_D26>,  /* FMC_D26 */
> <+				 <STM32F746_PI1_FUNC_FMC_D25>,  /* FMC_D25 */
> <+				 <STM32F746_PI0_FUNC_FMC_D24>,  /* FMC_D24 */
> <+				 <STM32F746_PH15_FUNC_FMC_D23>, /* FMC_D23 */
> <+				 <STM32F746_PH14_FUNC_FMC_D22>, /* FMC_D22 */
> <+				 <STM32F746_PH13_FUNC_FMC_D21>, /* FMC_D21 */
> <+				 <STM32F746_PH12_FUNC_FMC_D20>, /* FMC_D20 */
> <+				 <STM32F746_PH11_FUNC_FMC_D19>, /* FMC_D19 */
> <+				 <STM32F746_PH10_FUNC_FMC_D18>, /* FMC_D18 */
> <+				 <STM32F746_PH9_FUNC_FMC_D17>,  /* FMC_D17 */
> <+				 <STM32F746_PH8_FUNC_FMC_D16>,  /* FMC_D16 */
> <+
> <+				 <STM32F746_PD10_FUNC_FMC_D15>, /* FMC_D15 */
> <+				 <STM32F746_PD9_FUNC_FMC_D14>, /* FMC_D14*/
> <+				 <STM32F746_PD8_FUNC_FMC_D13>, /* FMC_D13 */
> <+				 <STM32F746_PE15_FUNC_FMC_D12>,/* FMC_D12 */
> <+				 <STM32F746_PE14_FUNC_FMC_D11>,/* FMC_D11 */
> <+				 <STM32F746_PE13_FUNC_FMC_D10>,/* FMC_D10 */
> <+				 <STM32F746_PE12_FUNC_FMC_D9>, /* FMC_D9 */
> <+				 <STM32F746_PE11_FUNC_FMC_D8>, /* FMC_D8 */
> <+				 <STM32F746_PE10_FUNC_FMC_D7>, /* FMC_D7 */
> <+				 <STM32F746_PE9_FUNC_FMC_D6>,  /* FMC_D6 */
> <+				 <STM32F746_PE8_FUNC_FMC_D5>,  /* FMC_D5*/
> <+				 <STM32F746_PE7_FUNC_FMC_D4>,  /* FMC_D4 */
> <+				 <STM32F746_PD1_FUNC_FMC_D3>,  /* FMC_D3 */
> <+				 <STM32F746_PD0_FUNC_FMC_D2>,  /* FMC_D2 */
> <+				 <STM32F746_PD15_FUNC_FMC_D1>, /* FMC_D1 */
> <+				 <STM32F746_PD14_FUNC_FMC_D0>, /* FMC_D0 */
> <+
> <+				 <STM32F746_PI5_FUNC_FMC_NBL3>, /* FMC_NBL3 */
> <+				 <STM32F746_PI4_FUNC_FMC_NBL2>, /* FMC_NBL2 */
> <+				 <STM32F746_PE1_FUNC_FMC_NBL1>, /* FMC_NBL1 */
> <+				 <STM32F746_PE0_FUNC_FMC_NBL0>, /* FMC_NBL0 */
> <+
> <+				 <STM32F746_PG5_FUNC_FMC_A15_FMC_BA1>, /* FMC_A15 FMC_BA1 */
> <+				 <STM32F746_PG4_FUNC_FMC_A14_FMC_BA0>, /* FMC_A14 FMC_BA0*/
> <+
> <+				 <STM32F746_PG1_FUNC_FMC_A11>, /* FMC_A11 */
> <+				 <STM32F746_PG0_FUNC_FMC_A10>, /* FMC_A10 */
> <+				 <STM32F746_PF15_FUNC_FMC_A9>, /* FMC_A9 */
> <+				 <STM32F746_PF14_FUNC_FMC_A8>, /* FMC_A8 */
> <+				 <STM32F746_PF13_FUNC_FMC_A7>, /* FMC_A7 */
> <+				 <STM32F746_PF12_FUNC_FMC_A6>, /* FMC_A6 */
> <+				 <STM32F746_PF5_FUNC_FMC_A5>,  /* FUNC_FMC_A5 */
> <+				 <STM32F746_PF4_FUNC_FMC_A4>,  /* FMC_A4 */
> <+				 <STM32F746_PF3_FUNC_FMC_A3>,  /* FMC_A3 */
> <+				 <STM32F746_PF2_FUNC_FMC_A2>,  /* FMC_A2 */
> <+				 <STM32F746_PF1_FUNC_FMC_A1>,  /* FMC_A1 */
> <+				 <STM32F746_PF0_FUNC_FMC_A0>,  /* FMC_A0 */
> <+
> <+				 <STM32F746_PH3_FUNC_FMC_SDNE0>,/* FMC_SDNE0 */
> <+				 <STM32F746_PH5_FUNC_FMC_SDNWE>, /* FMC_SDNWE */
> <+				 <STM32F746_PF11_FUNC_FMC_SDNRAS>, /* FMC_SDNRAS */
> <+				 <STM32F746_PG15_FUNC_FMC_SDNCAS>, /* FMC_SDNCAS */
> <+				 <STM32F746_PH2_FUNC_FMC_SDCKE0>, /* FMC_SDCKE0 */
> <+				 <STM32F746_PG8_FUNC_FMC_SDCLK>; /* FMC_SDCLK */
> <+			  slew-rate = <2>;
> <+		};
> <+	};
> <+};
> <+
> <+&usart1 {
> <+	pinctrl-0 = <&usart1_pins_a>;
> <+	pinctrl-names = "default";
> <+	status = "okay";
> <+};
> <+
> <+&mac {
> <+	status = "okay";
> <+	pinctrl-0 = <&ethernet_mii>;
> <+	phy-mode = "rmii";
> <+	phy-handle = <&phy0>;
> <+
> <+	mdio0 {
> <+		#address-cells = <1>;
> <+		#size-cells = <0>;
> <+		compatible = "snps,dwmac-mdio";
> <+		phy0: ethernet-phy at 0 {
> <+			reg = <0>;
> <+		};
> <+	};
> <+};
> <+
> <+&fmc {
> <+	pinctrl-0 = <&fmc_pins>;
> <+	pinctrl-names = "default";
> <+	status = "okay";
> <+
> <+	/*
> <+	 * Memory configuration from sdram datasheet IS42S32800G-6BLI
> <+	 */
> <+	bank1: bank at 0 {
> <+		st,sdram-control = /bits/ 8 <NO_COL_9 NO_ROW_12 MWIDTH_32 BANKS_4
> <+				  CAS_2 SDCLK_3 RD_BURST_EN RD_PIPE_DL_0>;
> <+		st,sdram-timing = /bits/ 8 <TMRD_1 TXSR_1 TRAS_1 TRC_6 TRP_2
> <+				  TWR_1 TRCD_1>;
> <+		st,sdram-refcount = <1539>;
> <+	};
> <+};
> <+
> <+&sdio {
> <+	status = "okay";
> <+	pinctrl-names = "default", "opendrain";
> <+	pinctrl-0 = <&sdio_pins>;
> <+	pinctrl-1 = <&sdio_pins_od>;
> <+	bus-width = <4>;
> <+	max-frequency = <25000000>;
> <+};
> <--
> <1.9.1
> 


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