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https://github.com/AsahiLinux/u-boot
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e87c869db3
Add support for Schneider Electric RZ/N1D and RZ/N1S boards, which are based on the Reneasas RZ/N1 SoC devices. The intention is to support both boards using a single defconfig, and to handle the differences at runtime. Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org> Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
92 lines
1.8 KiB
Text
92 lines
1.8 KiB
Text
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree Source for Schneider RZ/N1 Board
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*
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* Based on r9a06g032-rzn1d400-db.dts
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*/
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/dts-v1/;
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#include <dt-bindings/pinctrl/rzn1-pinctrl.h>
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#include "r9a06g032.dtsi"
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/ {
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model = "Schneider RZ/N1 Board";
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compatible = "schneider,rzn1", "renesas,r9a06g032";
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chosen {
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stdout-path = "serial0:115200n8";
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};
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aliases {
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serial0 = &uart0;
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};
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memory {
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device_type = "memory";
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reg = <0x80000000 0x10000000>;
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};
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soc {
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plat_regs: syscon@4000c000 {
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compatible = "syscon";
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reg = <0x4000c000 0x1000>;
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};
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system-controller@4000c000 {
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regmap = <&plat_regs>;
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};
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ddrctrl: memory-controller@4000d000 {
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compatible = "cadence,ddr-ctrl";
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reg = <0x4000d000 0x1000>, <0x4000e000 0x100>;
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reg-names = "ddrc", "phy";
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interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&sysctrl R9A06G032_CLK_DDRC>, <&sysctrl R9A06G032_HCLK_DDRC>;
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clock-names = "clk_ddrc", "hclk_ddrc";
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syscon = <&plat_regs>;
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status = "disabled";
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};
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};
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reboot {
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compatible = "syscon-reboot";
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regmap = <&plat_regs>;
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offset = <0x198>; /* sysctrl.RSTEN */
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mask = <0x40>; /* bit 6 = SWRST_REQ */
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value = <0x40>;
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};
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};
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&ddrctrl {
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status = "okay";
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conf-1 {
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size = <0x40000000>; /* 1 GB */
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#include "renesas/is43tr16256a_125k_CTL.h"
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#include "r9a06g032-ddr.dtsi"
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};
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conf-2 {
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size = <0x10000000>; /* 256 MB */
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#include "renesas/jedec_ddr3_2g_x16_1333h_500_cl8.h"
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#include "r9a06g032-ddr.dtsi"
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};
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};
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&pinctrl {
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status = "okay";
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pins_uart0: pins_uart0 {
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pinmux = <
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RZN1_PINMUX(103, RZN1_FUNC_UART0_I) /* UART0_TXD */
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RZN1_PINMUX(104, RZN1_FUNC_UART0_I) /* UART0_RXD */
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>;
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bias-disable;
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};
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};
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&uart0 {
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pinctrl-0 = <&pins_uart0>;
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pinctrl-names = "default";
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status = "okay";
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};
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