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-rw-r--r--arch/arm/dts/Makefile1
-rw-r--r--arch/arm/dts/cat875.dtsi64
-rw-r--r--arch/arm/dts/r8a774c0-cat874.dts453
-rw-r--r--arch/arm/dts/r8a774c0-ek874-u-boot.dts33
-rw-r--r--arch/arm/dts/r8a774c0-ek874.dts14
-rw-r--r--arch/arm/dts/r8a774c0-u-boot.dtsi53
-rw-r--r--arch/arm/mach-rmobile/Kconfig.647
-rw-r--r--board/silinux/ek874/Kconfig15
-rw-r--r--board/silinux/ek874/MAINTAINERS6
-rw-r--r--board/silinux/ek874/Makefile9
-rw-r--r--board/silinux/ek874/ek874.c30
-rw-r--r--configs/silinux_ek874_defconfig83
-rw-r--r--include/configs/silinux-ek874.h20
-rw-r--r--include/dt-bindings/display/tda998x.h8
14 files changed, 796 insertions, 0 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d2f2212f867..f5fe327b6c3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -824,6 +824,7 @@ dtb-$(CONFIG_RCAR_GEN3) += \
r8a774e1-beacon-rzg2h-kit.dtb \
r8a774a1-hihope-rzg2m-u-boot.dtb \
r8a774b1-hihope-rzg2n-u-boot.dtb \
+ r8a774c0-ek874-u-boot.dtb \
r8a774e1-hihope-rzg2h-u-boot.dtb \
r8a77950-ulcb-u-boot.dtb \
r8a77950-salvator-x-u-boot.dtb \
diff --git a/arch/arm/dts/cat875.dtsi b/arch/arm/dts/cat875.dtsi
new file mode 100644
index 00000000000..4a2f6fa9553
--- /dev/null
+++ b/arch/arm/dts/cat875.dtsi
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Silicon Linux sub board for CAT874 (CAT875)
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+/ {
+ model = "Silicon Linux sub board for CAT874 (CAT875)";
+
+ aliases {
+ ethernet0 = &avb;
+ };
+};
+
+&avb {
+ pinctrl-0 = <&avb_pins>;
+ pinctrl-names = "default";
+ renesas,no-ether-link;
+ phy-handle = <&phy0>;
+ status = "okay";
+
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ interrupt-parent = <&gpio2>;
+ interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
+ reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&can0 {
+ pinctrl-0 = <&can0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&can1 {
+ pinctrl-0 = <&can1_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&pciec0 {
+ status = "okay";
+};
+
+&pfc {
+ avb_pins: avb {
+ mux {
+ groups = "avb_mii";
+ function = "avb";
+ };
+ };
+
+ can0_pins: can0 {
+ groups = "can0_data";
+ function = "can0";
+ };
+
+ can1_pins: can1 {
+ groups = "can1_data";
+ function = "can1";
+ };
+};
diff --git a/arch/arm/dts/r8a774c0-cat874.dts b/arch/arm/dts/r8a774c0-cat874.dts
new file mode 100644
index 00000000000..676fdef9e08
--- /dev/null
+++ b/arch/arm/dts/r8a774c0-cat874.dts
@@ -0,0 +1,453 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Silicon Linux RZ/G2E 96board platform (CAT874)
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a774c0.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/display/tda998x.h>
+
+/ {
+ model = "Silicon Linux RZ/G2E 96board platform (CAT874)";
+ compatible = "si-linux,cat874", "renesas,r8a774c0";
+
+ aliases {
+ serial0 = &scif2;
+ serial1 = &hscif2;
+ };
+
+ chosen {
+ bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
+ stdout-path = "serial0:115200n8";
+ };
+
+ hdmi-out {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con_out: endpoint {
+ remote-endpoint = <&tda19988_out>;
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led0 {
+ gpios = <&gpio5 19 GPIO_ACTIVE_HIGH>;
+ label = "LED0";
+ };
+
+ led1 {
+ gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
+ label = "LED1";
+ };
+
+ led2 {
+ gpios = <&gpio4 10 GPIO_ACTIVE_HIGH>;
+ label = "LED2";
+ };
+
+ led3 {
+ gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>;
+ label = "LED3";
+ };
+ };
+
+ memory@48000000 {
+ device_type = "memory";
+ /* first 128MB is reserved for secure area. */
+ reg = <0x0 0x48000000 0x0 0x78000000>;
+ };
+
+ reg_12p0v: regulator-12p0v {
+ compatible = "regulator-fixed";
+ regulator-name = "D12.0V";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ sound: sound {
+ compatible = "simple-audio-card";
+
+ simple-audio-card,name = "CAT874 HDMI sound";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,bitclock-master = <&sndcpu>;
+ simple-audio-card,frame-master = <&sndcpu>;
+
+ sndcodec: simple-audio-card,codec {
+ sound-dai = <&tda19988>;
+ };
+
+ sndcpu: simple-audio-card,cpu {
+ sound-dai = <&rcar_sound>;
+ };
+ };
+
+ vcc_sdhi0: regulator-vcc-sdhi0 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "SDHI0 Vcc";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vccq_sdhi0: regulator-vccq-sdhi0 {
+ compatible = "regulator-gpio";
+
+ regulator-name = "SDHI0 VccQ";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+ gpios-states = <1>;
+ states = <3300000 1>, <1800000 0>;
+ };
+
+ wlan_en_reg: fixedregulator {
+ compatible = "regulator-fixed";
+ regulator-name = "wlan-en-regulator";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ startup-delay-us = <70000>;
+
+ gpio = <&gpio2 25 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ x13_clk: x13 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <74250000>;
+ };
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ hs_ep: endpoint {
+ remote-endpoint = <&usb3_hs_ep>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ ss_ep: endpoint {
+ remote-endpoint = <&hd3ss3220_in_ep>;
+ };
+ };
+ };
+ };
+};
+
+&audio_clk_a {
+ clock-frequency = <22579200>;
+};
+
+&du {
+ pinctrl-0 = <&du_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ clocks = <&cpg CPG_MOD 724>,
+ <&cpg CPG_MOD 723>,
+ <&x13_clk>;
+ clock-names = "du.0", "du.1", "dclkin.0";
+
+ ports {
+ port@0 {
+ endpoint {
+ remote-endpoint = <&tda19988_in>;
+ };
+ };
+ };
+};
+
+&ehci0 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&extal_clk {
+ clock-frequency = <48000000>;
+};
+
+&hscif2 {
+ pinctrl-0 = <&hscif2_pins>;
+ pinctrl-names = "default";
+
+ uart-has-rtscts;
+ status = "okay";
+
+ bluetooth {
+ compatible = "ti,wl1837-st";
+ enable-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&i2c0 {
+ status = "okay";
+ clock-frequency = <100000>;
+
+ hd3ss3220@47 {
+ compatible = "ti,hd3ss3220";
+ reg = <0x47>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ hd3ss3220_in_ep: endpoint {
+ remote-endpoint = <&ss_ep>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ hd3ss3220_out_ep: endpoint {
+ remote-endpoint = <&usb3_role_switch>;
+ };
+ };
+ };
+ };
+
+ tda19988: tda19988@70 {
+ compatible = "nxp,tda998x";
+ reg = <0x70>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
+
+ video-ports = <0x234501>;
+
+ #sound-dai-cells = <0>;
+ audio-ports = <TDA998x_I2S 0x03>;
+ clocks = <&rcar_sound 1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ tda19988_in: endpoint {
+ remote-endpoint = <&du_out_rgb>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ tda19988_out: endpoint {
+ remote-endpoint = <&hdmi_con_out>;
+ };
+ };
+ };
+ };
+};
+
+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ rtc@32 {
+ compatible = "epson,rx8571";
+ reg = <0x32>;
+ };
+};
+
+&lvds0 {
+ status = "okay";
+
+ clocks = <&cpg CPG_MOD 727>, <&x13_clk>, <&extal_clk>;
+ clock-names = "fck", "dclkin.0", "extal";
+};
+
+&ohci0 {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&pcie_bus_clk {
+ clock-frequency = <100000000>;
+};
+
+&pciec0 {
+ /* Map all possible DDR as inbound ranges */
+ dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+};
+
+&pfc {
+ du_pins: du {
+ groups = "du_rgb888", "du_clk_out_0", "du_sync", "du_disp",
+ "du_clk_in_0";
+ function = "du";
+ };
+
+ hscif2_pins: hscif2 {
+ groups = "hscif2_data_a", "hscif2_ctrl_a";
+ function = "hscif2";
+ };
+
+ i2c1_pins: i2c1 {
+ groups = "i2c1_b";
+ function = "i2c1";
+ };
+
+ scif2_pins: scif2 {
+ groups = "scif2_data_a";
+ function = "scif2";
+ };
+
+ sdhi0_pins: sd0 {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ power-source = <3300>;
+ };
+
+ sdhi0_pins_uhs: sd0_uhs {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ power-source = <1800>;
+ };
+
+ sdhi3_pins: sd3 {
+ groups = "sdhi3_data4", "sdhi3_ctrl";
+ function = "sdhi3";
+ power-source = <1800>;
+ };
+
+ sound_clk_pins: sound_clk {
+ groups = "audio_clkout1_a";
+ function = "audio_clk";
+ };
+
+ sound_pins: sound {
+ groups = "ssi01239_ctrl", "ssi0_data";
+ function = "ssi";
+ };
+
+ usb30_pins: usb30 {
+ groups = "usb30", "usb30_id";
+ function = "usb30";
+ };
+};
+
+&rcar_sound {
+ pinctrl-0 = <&sound_pins &sound_clk_pins>;
+ pinctrl-names = "default";
+
+ /* Single DAI */
+ #sound-dai-cells = <0>;
+
+ /* audio_clkout0/1/2/3 */
+ #clock-cells = <1>;
+ clock-frequency = <11289600>;
+
+ status = "okay";
+
+ rcar_sound,dai {
+ dai0 {
+ playback = <&ssi0 &src0 &dvc0>;
+ };
+ };
+};
+
+&rwdt {
+ timeout-sec = <60>;
+ status = "okay";
+};
+
+&scif2 {
+ pinctrl-0 = <&scif2_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
+
+&sdhi0 {
+ pinctrl-0 = <&sdhi0_pins>;
+ pinctrl-1 = <&sdhi0_pins_uhs>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <&vcc_sdhi0>;
+ vqmmc-supply = <&vccq_sdhi0>;
+ cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+ bus-width = <4>;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ status = "okay";
+};
+
+&sdhi3 {
+ status = "okay";
+ pinctrl-0 = <&sdhi3_pins>;
+ pinctrl-names = "default";
+
+ vmmc-supply = <&wlan_en_reg>;
+ bus-width = <4>;
+ non-removable;
+ cap-power-off-card;
+ keep-power-in-suspend;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ wlcore: wlcore@2 {
+ compatible = "ti,wl1837";
+ reg = <2>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+};
+
+&usb2_phy0 {
+ renesas,no-otg-pins;
+ status = "okay";
+};
+
+&usb3_peri0 {
+ companion = <&xhci0>;
+ status = "okay";
+ usb-role-switch;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ usb3_hs_ep: endpoint {
+ remote-endpoint = <&hs_ep>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ usb3_role_switch: endpoint {
+ remote-endpoint = <&hd3ss3220_out_ep>;
+ };
+ };
+ };
+};
+
+&xhci0 {
+ pinctrl-0 = <&usb30_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+};
diff --git a/arch/arm/dts/r8a774c0-ek874-u-boot.dts b/arch/arm/dts/r8a774c0-ek874-u-boot.dts
new file mode 100644
index 00000000000..8fa6d8074b3
--- /dev/null
+++ b/arch/arm/dts/r8a774c0-ek874-u-boot.dts
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source extras for U-Boot for the Hihope board
+ *
+ * Copyright (C) 2021 Renesas Electronisc Corporation
+ */
+
+#include "r8a774c0-ek874.dts"
+#include "r8a774c0-u-boot.dtsi"
+
+/ {
+ aliases {
+ spi0 = &rpc;
+ };
+};
+
+&rpc {
+ num-cs = <1>;
+ status = "okay";
+ spi-max-frequency = <50000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ flash0: spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "w25m512jv", "spi-flash", "jedec,spi-nor";
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ reg = <0>;
+ };
+};
diff --git a/arch/arm/dts/r8a774c0-ek874.dts b/arch/arm/dts/r8a774c0-ek874.dts
new file mode 100644
index 00000000000..d3ab28ba31e
--- /dev/null
+++ b/arch/arm/dts/r8a774c0-ek874.dts
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the Silicon Linux RZ/G2E evaluation kit (EK874)
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include "r8a774c0-cat874.dts"
+#include "cat875.dtsi"
+
+/ {
+ model = "Silicon Linux RZ/G2E evaluation kit EK874 (CAT874 + CAT875)";
+ compatible = "si-linux,cat875", "si-linux,cat874", "renesas,r8a774c0";
+};
diff --git a/arch/arm/dts/r8a774c0-u-boot.dtsi b/arch/arm/dts/r8a774c0-u-boot.dtsi
new file mode 100644
index 00000000000..af1c86171b6
--- /dev/null
+++ b/arch/arm/dts/r8a774c0-u-boot.dtsi
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source extras for U-Boot on R8A774C0 SoC
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ *
+ */
+
+#include "r8a779x-u-boot.dtsi"
+
+/ {
+ soc {
+ rpc: rpc@ee200000 {
+ compatible = "renesas,rcar-gen3-rpc", "renesas,rpc-r8a774c0";
+ reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0x04000000>;
+ clocks = <&cpg CPG_MOD 917>;
+ bank-width = <2>;
+ status = "disabled";
+ };
+ };
+};
+
+/delete-node/ &can0;
+/delete-node/ &can1;
+/delete-node/ &canfd;
+/delete-node/ &pwm0;
+/delete-node/ &pwm1;
+/delete-node/ &pwm2;
+/delete-node/ &pwm3;
+/delete-node/ &pwm4;
+/delete-node/ &pwm5;
+/delete-node/ &pwm6;
+/delete-node/ &vin4;
+/delete-node/ &vin5;
+/delete-node/ &rcar_sound;
+/delete-node/ &audma0;
+/delete-node/ &sdhi1;
+/delete-node/ &sdhi3;
+/delete-node/ &vspb0;
+/delete-node/ &vspd0;
+/delete-node/ &vspd1;
+/delete-node/ &vspi0;
+/delete-node/ &fcpvb0;
+/delete-node/ &fcpvd0;
+/delete-node/ &fcpvd1;
+/delete-node/ &fcpvi0;
+/delete-node/ &csi40;
+/delete-node/ &du;
+/delete-node/ &lvds0;
+/delete-node/ &lvds1;
+/delete-node/ &hdmi_con_out;
+/delete-node/ &sound;
+/delete-node/ &tda19988;
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index 28c2628a3cb..8127d33f2d6 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -113,6 +113,12 @@ config TARGET_HIHOPE_RZG2
help
Support for RZG2 HiHope platform
+config TARGET_SILINUX_EK874
+ bool "Silicon Linux EK874 board"
+ imply R8A774C0
+ help
+ Support for Silicon Linux EK874 platform
+
config TARGET_SALVATOR_X
bool "Salvator-X board"
imply R8A7795
@@ -148,6 +154,7 @@ source "board/renesas/salvator-x/Kconfig"
source "board/renesas/ulcb/Kconfig"
source "board/beacon/beacon-rzg2m/Kconfig"
source "board/hoperun/hihope-rzg2/Kconfig"
+source "board/silinux/ek874/Kconfig"
config MULTI_DTB_FIT_UNCOMPRESS_SZ
default 0x80000 if TARGET_HIHOPE_RZG2
diff --git a/board/silinux/ek874/Kconfig b/board/silinux/ek874/Kconfig
new file mode 100644
index 00000000000..60b390a121e
--- /dev/null
+++ b/board/silinux/ek874/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SILINUX_EK874
+
+config SYS_SOC
+ default "rmobile"
+
+config SYS_BOARD
+ default "ek874"
+
+config SYS_VENDOR
+ default "silinux"
+
+config SYS_CONFIG_NAME
+ default "silinux-ek874"
+
+endif
diff --git a/board/silinux/ek874/MAINTAINERS b/board/silinux/ek874/MAINTAINERS
new file mode 100644
index 00000000000..57a71b83b20
--- /dev/null
+++ b/board/silinux/ek874/MAINTAINERS
@@ -0,0 +1,6 @@
+SILINUX_EK874 BOARD
+M: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
+S: Maintained
+F: board/silinux/ek874/
+F: include/configs/silinux-ek874.h
+F: configs/silinux_ek874_defconfig
diff --git a/board/silinux/ek874/Makefile b/board/silinux/ek874/Makefile
new file mode 100644
index 00000000000..32a3a009900
--- /dev/null
+++ b/board/silinux/ek874/Makefile
@@ -0,0 +1,9 @@
+#
+# board/silinux/ek874/Makefile
+#
+# Copyright (C) 2021 Renesas Electronics Corporation
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := ek874.o ../../renesas/rcar-common/common.o
diff --git a/board/silinux/ek874/ek874.c b/board/silinux/ek874/ek874.c
new file mode 100644
index 00000000000..5a219cd98d7
--- /dev/null
+++ b/board/silinux/ek874/ek874.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * board/silinux/ek874/ek874.c
+ * This file is ek874 board support.
+ *
+ * Copyright (C) 2021 Renesas Electronics Corporation
+ */
+
+#include <common.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+
+#define RST_BASE 0xE6160000
+#define RST_CA53RESCNT (RST_BASE + 0x44)
+#define RST_CA53_CODE 0x5A5A000F
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
+
+ return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+ writel(RST_CA53_CODE, RST_CA53RESCNT);
+}
diff --git a/configs/silinux_ek874_defconfig b/configs/silinux_ek874_defconfig
new file mode 100644
index 00000000000..442e24a3d74
--- /dev/null
+++ b/configs/silinux_ek874_defconfig
@@ -0,0 +1,83 @@
+CONFIG_ARM=y
+CONFIG_ARCH_CPU_INIT=y
+CONFIG_ARCH_RMOBILE=y
+CONFIG_SYS_TEXT_BASE=0x50000000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0x3F0000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_RCAR_GEN3=y
+CONFIG_TARGET_SILINUX_EK874=y
+# CONFIG_BOARD_EARLY_INIT_F is not set
+# CONFIG_SPL is not set
+CONFIG_SOC_DEVICE=y
+CONFIG_SOC_DEVICE_RENESAS=y
+CONFIG_DEFAULT_DEVICE_TREE="r8a774c0-ek874-u-boot"
+CONFIG_SMBIOS_PRODUCT_NAME=""
+CONFIG_FIT=y
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.20"
+CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_DEFAULT_FDT_FILE="r8a774c0-ek874.dtb"
+CONFIG_VERSION_VARIABLE=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_BLK=y
+CONFIG_CLK=y
+CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_RCAR_I2C=y
+CONFIG_SYS_I2C_RCAR_IIC=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_USE_4K_SECTORS=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_RENESAS_RPC_SPI=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_RENESAS_SDHI=y
+CONFIG_BITBANGMII=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_RENESAS_RAVB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SCIF_CONSOLE=y
+CONFIG_TEE=y
+CONFIG_OPTEE=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_STORAGE=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_SMBIOS_MANUFACTURER=""
diff --git a/include/configs/silinux-ek874.h b/include/configs/silinux-ek874.h
new file mode 100644
index 00000000000..25c0cd2335c
--- /dev/null
+++ b/include/configs/silinux-ek874.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * include/configs/silinux-ek874.h
+ * This file is Silicon Linux EK874 board configuration.
+ *
+ * Copyright (C) 2021 Renesas Electronics Corporation
+ */
+
+#ifndef __SILINUX_EK874_H
+#define __SILINUX_EK874_H
+
+#include "rcar-gen3-common.h"
+
+/* Ethernet RAVB */
+#define CONFIG_BITBANGMII_MULTI
+
+/* Generic Timer Definitions (use in assembler source) */
+#define COUNTER_FREQUENCY 0xFE502A /* 16.66MHz from CPclk */
+
+#endif /* __SILINUX_EK874_H */
diff --git a/include/dt-bindings/display/tda998x.h b/include/dt-bindings/display/tda998x.h
new file mode 100644
index 00000000000..746831ff396
--- /dev/null
+++ b/include/dt-bindings/display/tda998x.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _DT_BINDINGS_TDA998X_H
+#define _DT_BINDINGS_TDA998X_H
+
+#define TDA998x_SPDIF 1
+#define TDA998x_I2S 2
+
+#endif /*_DT_BINDINGS_TDA998X_H */