/*
   * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
   *
   * 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 "stm32h743.dtsi"
  #include "stm32h743-pinctrl.dtsi"

  #include <dt-bindings/memory/stm32-sdram.h>

  
  / {
  	model = "STMicroelectronics STM32H743i-EVAL board";
  	compatible = "st,stm32h743i-eval", "st,stm32h743";
  
  	chosen {
  		bootargs = "root=/dev/ram";
  		stdout-path = "serial0:115200n8";
  	};
  
  	memory {
  		reg = <0xd0000000 0x2000000>;
  	};
  
  	aliases {
  		serial0 = &usart1;

  		gpio0 = &gpioa;
  		gpio1 = &gpiob;
  		gpio2 = &gpioc;
  		gpio3 = &gpiod;
  		gpio4 = &gpioe;
  		gpio5 = &gpiof;
  		gpio6 = &gpiog;
  		gpio7 = &gpioh;
  		gpio8 = &gpioi;
  		gpio9 = &gpioj;
  		gpio10 = &gpiok;

  	};
  };

  &usart1 {
  	pinctrl-0 = <&usart1_pins>;
  	pinctrl-names = "default";
  	status = "okay";
  };

  &fmc {
  	pinctrl-0 = <&fmc_pins>;
  	pinctrl-names = "default";
  	status = "okay";
  
  	/*
  	 * Memory configuration from sdram datasheet IS42S32800G-6BLI
  	 * firsct bank is bank@0
  	 * second bank is bank@1
  	 */
  	bank2: bank@1 {
  		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>;
  	};
  };

  
  &sdmmc1 {
  	status = "okay";
  	pinctrl-0 = <&sdmmc1_pins>,
  		    <&pinctrl_sdmmc1_level_shifter>;
  	pinctrl-names = "default";
  	bus-width = <4>;
  	st,dirpol;
  };