[PATCH v1 1/1] board: samsung: add Samsung Galaxy R (GT-I9103) and Captivate Glide (SGH-i927) support
Ion Agorria
ion at agorria.com
Thu Jul 31 21:47:31 CEST 2025
The Galaxy R (GT-I9103) and Captivate Glide (SGH-i927) are both Tegra 2
based Samsung smartphones released in 2011. They both feature 1 GB of RAM
and 8 GB of expandable flash memory. The key difference is that the
Captivate Glide has an OLED panel (contrary to LCD in Galaxy R) and a
QWERTY keyboard in form factor of a slider.
Signed-off-by: Ion Agorria <ion at agorria.com>
---
arch/arm/dts/Makefile | 2 +
arch/arm/dts/tegra20-samsung-bose.dts | 119 ++++++
arch/arm/dts/tegra20-samsung-n1-common.dtsi | 428 ++++++++++++++++++++
arch/arm/dts/tegra20-samsung-n1.dts | 184 +++++++++
arch/arm/mach-tegra/tegra20/Kconfig | 5 +
board/samsung/n1/Kconfig | 13 +
board/samsung/n1/MAINTAINERS | 9 +
board/samsung/n1/bose.config | 6 +
board/samsung/n1/n1.env | 16 +
configs/n1_defconfig | 92 +++++
doc/board/samsung/index.rst | 1 +
doc/board/samsung/n1.rst | 51 +++
12 files changed, 926 insertions(+)
create mode 100644 arch/arm/dts/tegra20-samsung-bose.dts
create mode 100644 arch/arm/dts/tegra20-samsung-n1-common.dtsi
create mode 100644 arch/arm/dts/tegra20-samsung-n1.dts
create mode 100644 board/samsung/n1/Kconfig
create mode 100644 board/samsung/n1/MAINTAINERS
create mode 100644 board/samsung/n1/bose.config
create mode 100644 board/samsung/n1/n1.env
create mode 100644 configs/n1_defconfig
create mode 100644 doc/board/samsung/n1.rst
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 2efd866470f..ae05300bf34 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -92,6 +92,8 @@ dtb-$(CONFIG_ARCH_TEGRA) += \
tegra20-motorola-olympus.dtb \
tegra20-paz00.dtb \
tegra20-plutux.dtb \
+ tegra20-samsung-bose.dtb \
+ tegra20-samsung-n1.dtb \
tegra20-seaboard.dtb \
tegra20-tec.dtb \
tegra20-trimslice.dtb \
diff --git a/arch/arm/dts/tegra20-samsung-bose.dts b/arch/arm/dts/tegra20-samsung-bose.dts
new file mode 100644
index 00000000000..5bb9a33adf2
--- /dev/null
+++ b/arch/arm/dts/tegra20-samsung-bose.dts
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra20-samsung-n1-common.dtsi"
+
+/ {
+ model = "Samsung Captivate Glide (SGH-i927)";
+ compatible = "samsung,bose", "nvidia,tegra20";
+
+ aliases {
+ spi0 = &panel_spi;
+ };
+
+ host1x at 50000000 {
+ dc at 54200000 {
+ rgb {
+ status = "okay";
+
+ port {
+ dpi_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ bus-width = <24>;
+ };
+ };
+ };
+ };
+ };
+
+ pinmux at 70000014 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinmux {
+ conf-dtf {
+ nvidia,pins = "dtf", "spdi", "spib", "spih";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-gpv {
+ nvidia,pins = "gpv";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-kbcd {
+ nvidia,pins = "kbcd";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ drive-dap {
+ nvidia,pins = "drive_dap2", "drive_dap3";
+ nvidia,high-speed-mode = <TEGRA_PIN_ENABLE>;
+ nvidia,schmitt = <TEGRA_PIN_ENABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ };
+ };
+ };
+
+ panel_spi: spi at 7000d800 {
+ status = "okay";
+ spi-max-frequency = <1000000>;
+
+ panel: panel at 2 {
+ /* 480x800 AMOLED panel */
+ compatible = "samsung,bose-panel", "samsung,s6e63m0";
+ reg = <2>;
+
+ spi-max-frequency = <1000000>;
+
+ spi-cpol;
+ spi-cpha;
+
+ reset-gpios = <&gpio TEGRA_GPIO(C, 1) GPIO_ACTIVE_LOW>;
+
+ vdd3-supply = <&vlcd_1v8_reg>;
+ vci-supply = <&vlcd_3v0_reg>;
+
+ panel-width-mm = <52>;
+ panel-height-mm = <87>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&dpi_output>;
+ };
+ };
+ };
+ };
+
+ sdhci at c8000400 {
+ broken-cd;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ switch-hall {
+ label = "Keyboard Slide";
+ gpios = <&gpio TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>;
+ linux,input-type = <EV_SW>;
+ linux,code = <SW_KEYPAD_SLIDE>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-kbd {
+ label = "Keyboard backlight";
+ gpios = <&gpio TEGRA_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+ };
+};
diff --git a/arch/arm/dts/tegra20-samsung-n1-common.dtsi b/arch/arm/dts/tegra20-samsung-n1-common.dtsi
new file mode 100644
index 00000000000..8223c5ece54
--- /dev/null
+++ b/arch/arm/dts/tegra20-samsung-n1-common.dtsi
@@ -0,0 +1,428 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/input/input.h>
+#include "tegra20.dtsi"
+
+/ {
+ chosen {
+ stdout-path = &uartb;
+ };
+
+ aliases {
+ i2c0 = &pwr_i2c;
+
+ mmc0 = &sdmmc4; /* eMMC */
+ mmc1 = &sdmmc3; /* uSD slot */
+
+ rtc0 = &pmic;
+ rtc1 = "/rtc at 7000e000";
+
+ usb0 = µ_usb;
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x40000000>; /* 1 GB */
+ };
+
+ pinmux at 70000014 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinmux {
+ ata {
+ nvidia,pins = "ata", "atc", "atd", "ate",
+ "gmb", "gmd", "irrx", "irtx",
+ "spid", "spie";
+ nvidia,function = "gmi";
+ };
+
+ atb {
+ nvidia,pins = "atb", "gma", "gme";
+ nvidia,function = "sdio4";
+ };
+
+ cdev1 {
+ nvidia,pins = "cdev1";
+ nvidia,function = "plla_out";
+ };
+
+ cdev2 {
+ nvidia,pins = "cdev2";
+ nvidia,function = "pllp_out4";
+ };
+
+ crtp {
+ nvidia,pins = "crtp";
+ nvidia,function = "crt";
+ };
+
+ csus {
+ nvidia,pins = "csus";
+ nvidia,function = "vi_sensor_clk";
+ };
+
+ dap1 {
+ nvidia,pins = "dap1";
+ nvidia,function = "dap1";
+ };
+
+ dap2 {
+ nvidia,pins = "dap2";
+ nvidia,function = "dap2";
+ };
+
+ dap3 {
+ nvidia,pins = "dap3";
+ nvidia,function = "dap3";
+ };
+
+ dap4 {
+ nvidia,pins = "dap4";
+ nvidia,function = "dap4";
+ };
+
+ ddc {
+ nvidia,pins = "ddc";
+ nvidia,function = "rsvd4";
+ };
+
+ pta {
+ nvidia,pins = "pta";
+ nvidia,function = "i2c2";
+ };
+
+ spif {
+ nvidia,pins = "spif", "uac";
+ nvidia,function = "rsvd4";
+ };
+
+ dta {
+ nvidia,pins = "dta", "dtb", "dtc", "dtd", "dte";
+ nvidia,function = "vi";
+ };
+
+ dtf {
+ nvidia,pins = "dtf";
+ nvidia,function = "i2c3";
+ };
+
+ gmc {
+ nvidia,pins = "gmc";
+ nvidia,function = "uartd";
+ };
+
+ gpu {
+ nvidia,pins = "gpu", "uaa", "uab";
+ nvidia,function = "uarta";
+ };
+
+ gpu7 {
+ nvidia,pins = "gpu7";
+ nvidia,function = "rtck";
+ };
+
+ gpv {
+ nvidia,pins = "gpv", "slxa", "slxk";
+ nvidia,function = "pcie";
+ };
+
+ hdint {
+ nvidia,pins = "hdint", "spdi", "spdo";
+ nvidia,function = "rsvd2";
+ };
+
+ i2cp {
+ nvidia,pins = "i2cp";
+ nvidia,function = "i2cp";
+ };
+
+ kbca {
+ nvidia,pins = "kbca", "kbcb", "kbcc", "kbcd",
+ "kbce", "kbcf";
+ nvidia,function = "kbc";
+ };
+
+ lcsn {
+ nvidia,pins = "lcsn", "lsck", "lsda", "lsdi";
+ nvidia,function = "spi3";
+ };
+
+ ld0 {
+ nvidia,pins = "ld0", "ld1", "ld2", "ld3", "ld4",
+ "ld5", "ld6", "ld7", "ld8", "ld9",
+ "ld10", "ld11", "ld12", "ld13", "ld14",
+ "ld15", "ld16", "ld17", "ldc", "ldi",
+ "lhp0", "lhp1", "lhp2", "lhs", "lm0",
+ "lm1", "lpp", "lpw0", "lpw1", "lpw2",
+ "lsc0", "lsc1", "lspi", "lvp0", "lvp1",
+ "lvs";
+ nvidia,function = "displaya";
+ };
+
+ owc {
+ nvidia,pins = "owc";
+ nvidia,function = "owr";
+ };
+
+ pmc {
+ nvidia,pins = "pmc";
+ nvidia,function = "pwr_on";
+ };
+
+ rm {
+ nvidia,pins = "rm";
+ nvidia,function = "i2c1";
+ };
+
+ sdb {
+ nvidia,pins = "sdb", "sdc", "sdd";
+ nvidia,function = "sdio3";
+ };
+
+ sdio1 {
+ nvidia,pins = "sdio1";
+ nvidia,function = "sdio1";
+ };
+
+ slxc {
+ nvidia,pins = "slxc", "slxd";
+ nvidia,function = "spi4";
+ };
+
+ spig {
+ nvidia,pins = "spig", "spih";
+ nvidia,function = "spi2_alt";
+ };
+
+ uad {
+ nvidia,pins = "uad";
+ nvidia,function = "irda";
+ };
+
+ uca {
+ nvidia,pins = "uca", "ucb";
+ nvidia,function = "uartc";
+ };
+
+ uda {
+ nvidia,pins = "uda";
+ nvidia,function = "spi1";
+ };
+
+ spia {
+ nvidia,pins = "spia", "spib", "spic";
+ nvidia,function = "spi2";
+ };
+
+ conf-cdev1 {
+ nvidia,pins = "cdev1", "cdev2", "dap1", "dap2",
+ "dap3", "dap4", "ddc", "dte", "gma",
+ "gmc", "gmd", "gme", "gpu7", "hdint",
+ "i2cp", "lcsn", "lhs", "lm0", "lm1",
+ "lpw1", "lsc0", "lsck", "lsda", "lsdi",
+ "lspi", "lvs", "pmc", "pta", "rm",
+ "sdb", "sdio1", "uac", "uda", "ck32",
+ "ddrc", "pmca", "pmcb", "pmcc", "pmcd",
+ "xm2c", "xm2d";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-crtp {
+ nvidia,pins = "crtp", "lvp0";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf-csus {
+ nvidia,pins = "csus", "spid";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf-ata {
+ nvidia,pins = "ata", "atb", "atc", "ate",
+ "gmb", "gpu", "irrx", "irtx",
+ "kbca", "kbcc", "kbce", "kbcf",
+ "ldc", "lpw0", "lpw2", "lsc1", "sdc",
+ "sdd", "spig", "uaa", "uab",
+ "uad", "uca", "ucb", "pmce";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-owc {
+ nvidia,pins = "owc";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_ENABLE>;
+ };
+
+ conf-atd {
+ nvidia,pins = "atd", "dta", "dtb", "dtc", "dtd",
+ "kbcb", "ld0", "ld1", "ld10", "ld11",
+ "ld12", "ld13", "ld14", "ld15", "ld16",
+ "ld17", "ld2", "ld3", "ld4", "ld5",
+ "ld6", "ld7", "ld8", "ld9", "ldi",
+ "lhp0", "lhp1", "lhp2", "lpp", "lvp1",
+ "slxa", "slxc", "slxd", "slxk", "spdo",
+ "spia", "spic", "spie", "spif";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ drive-ao1 {
+ nvidia,pins = "drive_ao1", "drive_at1", "drive_dbg",
+ "drive_vi1", "drive_vi2";
+ nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
+ nvidia,schmitt = <TEGRA_PIN_ENABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ };
+
+ drive-sdio1 {
+ nvidia,pins = "drive_sdio1";
+ nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
+ nvidia,schmitt = <TEGRA_PIN_ENABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_SLOWEST>;
+ };
+
+ drive-ddc {
+ nvidia,pins = "drive_ddc";
+ nvidia,high-speed-mode = <TEGRA_PIN_DISABLE>;
+ nvidia,schmitt = <TEGRA_PIN_ENABLE>;
+ nvidia,low-power-mode = <TEGRA_PIN_LP_DRIVE_DIV_1>;
+ nvidia,pull-down-strength = <31>;
+ nvidia,pull-up-strength = <31>;
+ nvidia,slew-rate-rising = <TEGRA_PIN_SLEW_RATE_FASTEST>;
+ nvidia,slew-rate-falling = <TEGRA_PIN_SLEW_RATE_FASTEST>;
+ };
+ };
+ };
+
+ uartb: serial at 70006040 {
+ clocks = <&tegra_car 7>;
+ status = "okay";
+ };
+
+ pwr_i2c: i2c at 7000d000 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ pmic: max8907 at 3c {
+ compatible = "maxim,max8907";
+ reg = <0x3c>;
+
+ interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+
+ #gpio-cells = <2>;
+ gpio-controller;
+
+ maxim,system-power-controller;
+
+ regulators {
+ vlcd_1v8_reg: ldo3 {
+ regulator-name = "vlcd_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ usb_phy_reg: ldo4 {
+ regulator-name = "vap_usb_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vlcd_3v0_reg: ldo12 {
+ regulator-name = "vlcd_3v0";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+
+ vmmc_usd_reg: ldo16 {
+ regulator-name = "vmmc_usd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+ };
+ };
+
+ micro_usb: usb at c5000000 {
+ status = "okay";
+ dr_mode = "otg";
+ };
+
+ usb-phy at c5000000 {
+ status = "okay";
+ vbus-supply = <&usb_phy_reg>;
+ };
+
+ sdmmc3: sdhci at c8000400 {
+ status = "okay";
+ bus-width = <4>;
+
+ vmmc-supply = <&vmmc_usd_reg>;
+ vqmmc-supply = <&vdd_3v3_sys>;
+ };
+
+ sdmmc4: sdhci at c8000600 {
+ status = "okay";
+ bus-width = <8>;
+ non-removable;
+
+ vmmc-supply = <&vdd_3v3_sys>;
+ vqmmc-supply = <&vdd_3v3_sys>;
+ };
+
+ /* 32KHz oscillator which is used by PMC */
+ clk32k_in: clock-32k-in {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ clock-output-names = "ref-oscillator";
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ key-power {
+ label = "Power";
+ gpios = <&gpio TEGRA_GPIO(U, 5) GPIO_ACTIVE_HIGH>;
+ linux,code = <KEY_ENTER>;
+ };
+
+ key-volume-up {
+ label = "Volume Up";
+ gpios = <&gpio TEGRA_GPIO(Q, 1) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_UP>;
+ };
+
+ key-volume-down {
+ label = "Volume Down";
+ gpios = <&gpio TEGRA_GPIO(Q, 2) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_DOWN>;
+ };
+ };
+
+ vdd_3v3_sys: regulator-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_3v3_vs";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+};
diff --git a/arch/arm/dts/tegra20-samsung-n1.dts b/arch/arm/dts/tegra20-samsung-n1.dts
new file mode 100644
index 00000000000..930a3195aa0
--- /dev/null
+++ b/arch/arm/dts/tegra20-samsung-n1.dts
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "tegra20-samsung-n1-common.dtsi"
+
+/ {
+ model = "Samsung Galaxy R (GT-I9103)";
+ compatible = "samsung,n1", "nvidia,tegra20";
+
+ aliases {
+ i2c10 = &cmc_i2c;
+ spi0 = &panel_spi;
+ };
+
+ host1x at 50000000 {
+ dc at 54200000 {
+ rgb {
+ status = "okay";
+
+ port {
+ dpi_output: endpoint {
+ remote-endpoint = <&bridge_input>;
+ bus-width = <24>;
+ };
+ };
+ };
+ };
+ };
+
+ pinmux at 70000014 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinmux {
+ conf-dtf {
+ nvidia,pins = "dtf", "spdi", "spih";
+ nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-gpv {
+ nvidia,pins = "gpv", "spib";
+ nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+
+ conf-kbcd {
+ nvidia,pins = "kbcd";
+ nvidia,pull = <TEGRA_PIN_PULL_UP>;
+ nvidia,tristate = <TEGRA_PIN_DISABLE>;
+ };
+ };
+ };
+
+ i2c at 7000d000 {
+ max8907 at 3c {
+ regulators {
+ vcmc623_io_1v8: ldo15 {
+ regulator-name = "vcmc623_io_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ };
+ };
+ };
+
+ cmc_i2c: i2c-10 {
+ compatible = "i2c-gpio";
+
+ sda-gpios = <&gpio TEGRA_GPIO(Z, 3) GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
+
+ i2c-gpio,scl-output-only;
+ i2c-gpio,delay-us = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cmc623: bridge at 38 {
+ compatible = "samsung,cmc623";
+ reg = <0x38>;
+
+ enable-gpios = <&gpio TEGRA_GPIO(Q, 4) GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio TEGRA_GPIO(J, 6) GPIO_ACTIVE_HIGH>;
+
+ bypass-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_LOW>;
+ sleep-gpios = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
+
+ vdd3v0-supply = <&vcmc623_3v0>;
+ vdd1v2-supply = <&vcmc623_1v2>;
+ vddio1v8-supply = <&vcmc623_io_1v8>;
+
+ cmc623_backlight: backlight {
+ compatible = "samsung,cmc623-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(R, 3) GPIO_ACTIVE_HIGH>;
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+
+ bridge_input: endpoint {
+ remote-endpoint = <&dpi_output>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+
+ bridge_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ };
+ };
+ };
+ };
+ };
+
+ panel_spi: spi at 7000d800 {
+ status = "okay";
+ spi-max-frequency = <1000000>;
+
+ panel: panel at 2 {
+ /* 480x800 TFT LCD panel */
+ compatible = "sony,l4f00430t01";
+ reg = <2>;
+
+ spi-max-frequency = <1000000>;
+
+ spi-cpol;
+ spi-cpha;
+
+ reset-gpios = <&gpio TEGRA_GPIO(C, 1) GPIO_ACTIVE_LOW>;
+
+ vdd1v8-supply = <&vlcd_1v8_reg>;
+ vdd3v0-supply = <&vlcd_3v0_reg>;
+
+ panel-width-mm = <55>;
+ panel-height-mm = <91>;
+
+ backlight = <&cmc623_backlight>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&bridge_output>;
+ };
+ };
+ };
+ };
+
+ sdhci at c8000400 {
+ /* battery blocks the sdcard slot and the device lacks CD pin */
+ non-removable;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ key-home {
+ label = "Home";
+ gpios = <&gpio TEGRA_GPIO(O, 5) GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_ENTER>;
+ };
+ };
+
+ vcmc623_3v0: regulator-cmc623-3v0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcmc623_3v0";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ vcmc623_1v2: regulator-cmc623-1v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcmc623_1v2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ gpio = <&gpio TEGRA_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+};
diff --git a/arch/arm/mach-tegra/tegra20/Kconfig b/arch/arm/mach-tegra/tegra20/Kconfig
index bedbedade7b..b07b5a15585 100644
--- a/arch/arm/mach-tegra/tegra20/Kconfig
+++ b/arch/arm/mach-tegra/tegra20/Kconfig
@@ -54,6 +54,10 @@ config TARGET_SEABOARD
select TEGRA_LP0
select TEGRA_PMU
+config TARGET_SAMSUNG_N1
+ bool "Samsung Tegra20 N1 board"
+ select BOARD_LATE_INIT
+
config TARGET_STAR
bool "LG Tegra20 Star board"
select BOARD_LATE_INIT
@@ -92,6 +96,7 @@ source "board/compal/paz00/Kconfig"
source "board/acer/picasso/Kconfig"
source "board/avionic-design/plutux/Kconfig"
source "board/nvidia/seaboard/Kconfig"
+source "board/samsung/n1/Kconfig"
source "board/lg/star/Kconfig"
source "board/avionic-design/tec/Kconfig"
source "board/asus/transformer-t20/Kconfig"
diff --git a/board/samsung/n1/Kconfig b/board/samsung/n1/Kconfig
new file mode 100644
index 00000000000..a5e5edda9e2
--- /dev/null
+++ b/board/samsung/n1/Kconfig
@@ -0,0 +1,13 @@
+if TARGET_SAMSUNG_N1
+
+config SYS_BOARD
+ default "n1"
+
+config SYS_VENDOR
+ default "samsung"
+
+config TEGRA_BOARD_STRING
+ string "Default Tegra board name"
+ default "Samsung N1"
+
+endif
diff --git a/board/samsung/n1/MAINTAINERS b/board/samsung/n1/MAINTAINERS
new file mode 100644
index 00000000000..798cb56cd37
--- /dev/null
+++ b/board/samsung/n1/MAINTAINERS
@@ -0,0 +1,9 @@
+N1 BOARD
+M: Ion Agorria <ion at agorria.com>
+M: Svyatoslav Ryhel <clamor95 at gmail.com>
+S: Maintained
+F: arch/arm/dts/tegra20-samsung-bose.dts
+F: arch/arm/dts/tegra20-samsung-n1.dts
+F: board/samsung/n1/
+F: configs/n1_defconfig
+F: doc/board/samsung/n1.rst
diff --git a/board/samsung/n1/bose.config b/board/samsung/n1/bose.config
new file mode 100644
index 00000000000..6d6d9d3f2ce
--- /dev/null
+++ b/board/samsung/n1/bose.config
@@ -0,0 +1,6 @@
+CONFIG_DEFAULT_DEVICE_TREE="tegra20-samsung-bose"
+CONFIG_SYS_PROMPT="Tegra20 (Bose) # "
+# CONFIG_VIDEO_BRIDGE_SAMSUNG_CMC623 is not set
+# CONFIG_BACKLIGHT_SAMSUNG_CMC623 is not set
+# CONFIG_VIDEO_LCD_SONY_L4F00430T01 is not set
+CONFIG_VIDEO_LCD_SAMSUNG_S6E63M0=y
diff --git a/board/samsung/n1/n1.env b/board/samsung/n1/n1.env
new file mode 100644
index 00000000000..e2b883dbc10
--- /dev/null
+++ b/board/samsung/n1/n1.env
@@ -0,0 +1,16 @@
+#include <env/nvidia/prod_upd.env>
+
+button_cmd_0_name=Volume Down
+button_cmd_0=bootmenu
+
+boot_block_size_r=0x80000
+boot_block_size=0x400
+boot_dev=1
+
+bootmenu_0=mount internal storage=usb start && ums 0 mmc 0; bootmenu
+bootmenu_1=mount external storage=usb start && ums 0 mmc 1; bootmenu
+bootmenu_2=fastboot=echo Starting Fastboot protocol ...; fastboot usb 0; bootmenu
+bootmenu_3=reboot RCM=enterrcm
+bootmenu_4=reboot=reset
+bootmenu_5=power off=poweroff
+bootmenu_delay=-1
diff --git a/configs/n1_defconfig b/configs/n1_defconfig
new file mode 100644
index 00000000000..da76c59412d
--- /dev/null
+++ b/configs/n1_defconfig
@@ -0,0 +1,92 @@
+CONFIG_ARM=y
+CONFIG_ARCH_TEGRA=y
+CONFIG_SUPPORT_PASSING_ATAGS=y
+CONFIG_CMDLINE_TAG=y
+CONFIG_INITRD_TAG=y
+CONFIG_TEXT_BASE=0x00110000
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="n1"
+CONFIG_ENV_SIZE=0x3000
+CONFIG_ENV_OFFSET=0xFFFFD000
+CONFIG_DEFAULT_DEVICE_TREE="tegra20-samsung-n1"
+CONFIG_SPL_STACK=0xffffc
+CONFIG_SPL_TEXT_BASE=0x00108000
+CONFIG_SYS_LOAD_ADDR=0x2000000
+CONFIG_TEGRA20=y
+CONFIG_TARGET_SAMSUNG_N1=y
+CONFIG_TEGRA_ENABLE_UARTB=y
+CONFIG_CMD_EBTUPDATE=y
+CONFIG_BUTTON_CMD=y
+CONFIG_BOOTDELAY=0
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_KEYED_CTRLC=y
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_BOOTCOMMAND="bootflow scan; echo 'Boot configuration not found... Power off in 3 sec'; sleep 3; poweroff"
+CONFIG_SYS_PBSIZE=2085
+CONFIG_SPL_FOOTPRINT_LIMIT=y
+CONFIG_SPL_MAX_FOOTPRINT=0x8000
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_HAVE_INIT_STACK=y
+CONFIG_SPL_SYS_MALLOC=y
+CONFIG_SPL_HAS_CUSTOM_MALLOC_START=y
+CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR=0x90000
+CONFIG_SPL_SYS_MALLOC_SIZE=0x10000
+CONFIG_SYS_PROMPT="Tegra20 (N1) # "
+# CONFIG_CMD_BOOTEFI_BOOTMGR is not set
+CONFIG_CMD_BOOTMENU=y
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_GPT_RENAME=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_UMS_ABORT_KEYED=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PAUSE=y
+CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_PART=2
+CONFIG_BUTTON=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x11000000
+CONFIG_FASTBOOT_BUF_SIZE=0x5000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
+CONFIG_DM_I2C_GPIO=y
+CONFIG_SYS_I2C_TEGRA=y
+CONFIG_BUTTON_KEYBOARD=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_MAX8907=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_MAX8907=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_SYS_NS16550=y
+CONFIG_TEGRA20_SLINK=y
+CONFIG_SYSRESET_MAX8907=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_TEGRA=y
+CONFIG_USB_ULPI_VIEWPORT=y
+CONFIG_USB_ULPI=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Samsung"
+CONFIG_USB_GADGET_VENDOR_NUM=0x04e8
+CONFIG_USB_GADGET_PRODUCT_NUM=0x685F
+CONFIG_CI_UDC=y
+CONFIG_VIDEO=y
+# CONFIG_VIDEO_LOGO is not set
+# CONFIG_VIDEO_BPP8 is not set
+CONFIG_VIDEO_BRIDGE=y
+CONFIG_VIDEO_TEGRA=y
+CONFIG_VIDEO_BRIDGE_SAMSUNG_CMC623=y
+CONFIG_BACKLIGHT_SAMSUNG_CMC623=y
+CONFIG_VIDEO_LCD_SONY_L4F00430T01=y
diff --git a/doc/board/samsung/index.rst b/doc/board/samsung/index.rst
index a1c9636b050..1b92c9518a5 100644
--- a/doc/board/samsung/index.rst
+++ b/doc/board/samsung/index.rst
@@ -8,3 +8,4 @@ Samsung
axy17lte
e850-96
+ n1
diff --git a/doc/board/samsung/n1.rst b/doc/board/samsung/n1.rst
new file mode 100644
index 00000000000..4dbb3141774
--- /dev/null
+++ b/doc/board/samsung/n1.rst
@@ -0,0 +1,51 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+U-Boot for the Samsung N1 device family
+=======================================
+
+``DISCLAMER!`` Moving your Samsung Galaxy R (GT-I9103) or Samsung Captivate Glide
+(SGH-i927) to use U-Boot assumes replacement of the sboot. Vendor android firmwares
+will no longer be able to run on the device. This replacement IS reversible.
+
+Quick Start
+-----------
+
+- Build U-Boot
+- Boot
+
+Build U-Boot
+------------
+
+Device support is implemented by applying config fragment to a generic board
+defconfig. Generic board defconfig is suitable for Samsung Galaxy R (GT-I9103)
+while Samsung Captivate Glide (SGH-i927) support is provided by applying
+``bose.config`` fragment.
+
+.. code-block:: bash
+
+ $ export CROSS_COMPILE=arm-none-eabi-
+ $ make n1_defconfig bose.config # For Captivate Glide
+ $ make
+
+After the build succeeds, you will obtain the final ``u-boot-dtb-tegra.bin``
+image, ready for further processing.
+
+Boot
+----
+
+Currently, U-Boot can be preloaded into RAM via the NvFlash. To enter
+RCM protocol use ``home`` and ``volume up`` for Galaxy R and ``volume down``
+and ``volume up`` Captivate Glide key combination plus plugging usb in.
+The host PC should recognize an APX device.
+
+Built U-Boot ``u-boot-dtb-tegra.bin`` can be loaded from fusee-tools
+directory with
+
+.. code-block:: bash
+
+ $ ./utils/nvflash_t20 --setbct --bct ./bct/i927.bct --configfile ./utils/flash.cfg --bl u-boot-dtb-tegra.bin --sbk (in form of 0xABCDABCD 4 times) --sync # For Captivate Glide
+
+To boot Linux, U-Boot will look for an ``extlinux.conf`` on MicroSD and then on
+eMMC. Additionally, if the Volume Down button is pressed while loading, the
+device will enter bootmenu. Bootmenu contains entries to mount MicroSD and eMMC
+as mass storage, fastboot, reboot, reboot RCM and poweroff.
--
2.50.0
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