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https://xff.cz/git/u-boot/
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f770b3ee18
HSDK board has sst26wf016 SPI flash IC which we want to support. Add SPI controller, CS-gpio and SPI flash nodes to hsdk device tree. Enable corresponding options in hsdk defconfig. For SPI write functionality to work we need [1] which adds support of sst26xxx ICs. [1] https://patchwork.ozlabs.org/project/uboot/list/?series=35796 Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
113 lines
2.7 KiB
Plaintext
113 lines
2.7 KiB
Plaintext
/*
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* Copyright (C) 2017 Synopsys, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/dts-v1/;
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#include "skeleton.dtsi"
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#include "dt-bindings/clock/snps,hsdk-cgu.h"
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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aliases {
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console = &uart0;
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spi0 = &spi0;
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};
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cpu_card {
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core_clk: core_clk {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <1000000000>;
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u-boot,dm-pre-reloc;
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};
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};
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clk-fmeas {
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clocks = <&cgu_clk CLK_ARC_PLL>, <&cgu_clk CLK_SYS_PLL>,
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<&cgu_clk CLK_TUN_PLL>, <&cgu_clk CLK_DDR_PLL>,
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<&cgu_clk CLK_ARC>, <&cgu_clk CLK_HDMI_PLL>,
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<&cgu_clk CLK_TUN_TUN>, <&cgu_clk CLK_HDMI>,
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<&cgu_clk CLK_SYS_APB>, <&cgu_clk CLK_SYS_AXI>,
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<&cgu_clk CLK_SYS_ETH>, <&cgu_clk CLK_SYS_USB>,
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<&cgu_clk CLK_SYS_SDIO>, <&cgu_clk CLK_SYS_HDMI>,
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<&cgu_clk CLK_SYS_GFX_CORE>, <&cgu_clk CLK_SYS_GFX_DMA>,
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<&cgu_clk CLK_SYS_GFX_CFG>, <&cgu_clk CLK_SYS_DMAC_CORE>,
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<&cgu_clk CLK_SYS_DMAC_CFG>, <&cgu_clk CLK_SYS_SDIO_REF>,
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<&cgu_clk CLK_SYS_SPI_REF>, <&cgu_clk CLK_SYS_I2C_REF>,
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<&cgu_clk CLK_SYS_UART_REF>, <&cgu_clk CLK_SYS_EBI_REF>,
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<&cgu_clk CLK_TUN_ROM>, <&cgu_clk CLK_TUN_PWM>;
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clock-names = "cpu-pll", "sys-pll",
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"tun-pll", "ddr-clk",
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"cpu-clk", "hdmi-pll",
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"tun-clk", "hdmi-clk",
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"apb-clk", "axi-clk",
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"eth-clk", "usb-clk",
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"sdio-clk", "hdmi-sys-clk",
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"gfx-core-clk", "gfx-dma-clk",
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"gfx-cfg-clk", "dmac-core-clk",
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"dmac-cfg-clk", "sdio-ref-clk",
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"spi-clk", "i2c-clk",
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"uart-clk", "ebi-clk",
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"rom-clk", "pwm-clk";
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};
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cgu_clk: cgu-clk@f0000000 {
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compatible = "snps,hsdk-cgu-clock";
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reg = <0xf0000000 0x10>, <0xf00014B8 0x4>;
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#clock-cells = <1>;
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};
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uart0: serial0@f0005000 {
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compatible = "snps,dw-apb-uart";
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reg = <0xf0005000 0x1000>;
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reg-shift = <2>;
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reg-io-width = <4>;
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};
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ethernet@f0008000 {
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#interrupt-cells = <1>;
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compatible = "altr,socfpga-stmmac";
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reg = <0xf0008000 0x2000>;
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phy-mode = "gmii";
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};
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ehci@0xf0040000 {
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compatible = "generic-ehci";
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reg = <0xf0040000 0x100>;
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};
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ohci@0xf0060000 {
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compatible = "generic-ohci";
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reg = <0xf0060000 0x100>;
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};
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spi0: spi@f0020000 {
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compatible = "snps,dw-apb-ssi";
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reg = <0xf0020000 0x1000>;
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <4000000>;
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clocks = <&cgu_clk CLK_SYS_SPI_REF>;
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clock-names = "spi_clk";
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cs-gpio = <&cs_gpio 0>;
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spi_flash@0 {
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compatible = "spi-flash";
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reg = <0>;
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spi-max-frequency = <4000000>;
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};
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};
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cs_gpio: gpio@f00014b0 {
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compatible = "snps,hsdk-creg-gpio";
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reg = <0xf00014b0 0x4>;
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gpio-controller;
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#gpio-cells = <1>;
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gpio-bank-name = "hsdk-spi-cs";
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gpio-count = <1>;
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};
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};
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