ARM: dts: add support for Odroid-N2

Import HardKernel Odroid-N2 DT from Linux 5.3-rc1, commit 5f9e832c1370
("Linus 5.3-rc1") based on an Amlogic G12B S922X SoC.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Mark Kettenis <kettenis@openbsd.org>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b437f7500cc1c0aacff40e799795ad5e41516391..70a9bc278c663d36a794df7cfc8ad179d685f62f 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -135,7 +135,8 @@ dtb-$(CONFIG_ARCH_MESON) += \
        meson-gxl-s905x-khadas-vim.dtb \
        meson-gxm-khadas-vim2.dtb \
        meson-axg-s400.dtb \
-       meson-g12a-u200.dtb
+       meson-g12a-u200.dtb \
+       meson-g12b-odroid-n2.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
        tegra20-medcom-wide.dtb \
        tegra20-paz00.dtb \

diff --git a/arch/arm/dts/meson-g12b-odroid-n2.dts b/arch/arm/dts/meson-g12b-odroid-n2.dts
new file mode 100644 (file)
index 0000000..81780ff
--- /dev/null
+++ b/arch/arm/dts/meson-g12b-odroid-n2.dts
@@ -0,0 +1,386 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+/dts-v1/;
+
+#include "meson-g12b.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/sound/meson-g12a-tohdmitx.h>
+
+/ {
+       compatible = "hardkernel,odroid-n2", "amlogic,g12b";
+       model = "Hardkernel ODROID-N2";
+
+       aliases {
+               serial0 = &uart_AO;
+               ethernet0 = &ethmac;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x0 0x0 0x0 0x40000000>;
+       };
+
+       emmc_pwrseq: emmc-pwrseq {
+               compatible = "mmc-pwrseq-emmc";
+               reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               blue {
+                       label = "n2:blue";
+                       gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+
+       tflash_vdd: regulator-tflash_vdd {
+               compatible = "regulator-fixed";
+
+               regulator-name = "TFLASH_VDD";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio_ao GPIOAO_8 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       tf_io: gpio-regulator-tf_io {
+               compatible = "regulator-gpio";
+
+               regulator-name = "TF_IO";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+               gpios-states = <0>;
+
+               states = <3300000 0
+                         1800000 1>;
+       };
+
+       flash_1v8: regulator-flash_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "FLASH_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc_3v3>;
+               regulator-always-on;
+       };
+
+       main_12v: regulator-main_12v {
+               compatible = "regulator-fixed";
+               regulator-name = "12V";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+               regulator-always-on;
+       };
+
+       vcc_5v: regulator-vcc_5v {
+               compatible = "regulator-fixed";
+               regulator-name = "5V";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-always-on;
+               vin-supply = <&main_12v>;
+       };
+
+       vcc_1v8: regulator-vcc_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc_3v3>;
+               regulator-always-on;
+       };
+
+       vcc_3v3: regulator-vcc_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+               /* FIXME: actually controlled by VDDCPU_B_EN */
+       };
+
+       hub_5v: regulator-hub_5v {
+               compatible = "regulator-fixed";
+               regulator-name = "HUB_5V";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&vcc_5v>;
+
+               /* Connected to the Hub CHIPENABLE, LOW sets low power state */
+               gpio = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       usb_pwr_en: regulator-usb_pwr_en {
+               compatible = "regulator-fixed";
+               regulator-name = "USB_PWR_EN";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&vcc_5v>;
+
+               /* Connected to the microUSB port power enable */
+               gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vddao_1v8: regulator-vddao_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+       };
+
+       vddao_3v3: regulator-vddao_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&main_12v>;
+               regulator-always-on;
+       };
+
+       hdmi-connector {
+               compatible = "hdmi-connector";
+               type = "a";
+
+               port {
+                       hdmi_connector_in: endpoint {
+                               remote-endpoint = <&hdmi_tx_tmds_out>;
+                       };
+               };
+       };
+
+       sound {
+               compatible = "amlogic,axg-sound-card";
+               model = "G12A-ODROIDN2";
+               audio-aux-devs = <&tdmout_b>;
+               audio-routing = "TDMOUT_B IN 0", "FRDDR_A OUT 1",
+                               "TDMOUT_B IN 1", "FRDDR_B OUT 1",
+                               "TDMOUT_B IN 2", "FRDDR_C OUT 1",
+                               "TDM_B Playback", "TDMOUT_B OUT";
+
+               assigned-clocks = <&clkc CLKID_MPLL2>,
+                                 <&clkc CLKID_MPLL0>,
+                                 <&clkc CLKID_MPLL1>;
+               assigned-clock-parents = <0>, <0>, <0>;
+               assigned-clock-rates = <294912000>,
+                                      <270950400>,
+                                      <393216000>;
+               status = "okay";
+
+               dai-link-0 {
+                       sound-dai = <&frddr_a>;
+               };
+
+               dai-link-1 {
+                       sound-dai = <&frddr_b>;
+               };
+
+               dai-link-2 {
+                       sound-dai = <&frddr_c>;
+               };
+
+               /* 8ch hdmi interface */
+               dai-link-3 {
+                       sound-dai = <&tdmif_b>;
+                       dai-format = "i2s";
+                       dai-tdm-slot-tx-mask-0 = <1 1>;
+                       dai-tdm-slot-tx-mask-1 = <1 1>;
+                       dai-tdm-slot-tx-mask-2 = <1 1>;
+                       dai-tdm-slot-tx-mask-3 = <1 1>;
+                       mclk-fs = <256>;
+
+                       codec {
+                               sound-dai = <&tohdmitx TOHDMITX_I2S_IN_B>;
+                       };
+               };
+
+               /* hdmi glue */
+               dai-link-4 {
+                       sound-dai = <&tohdmitx TOHDMITX_I2S_OUT>;
+
+                       codec {
+                               sound-dai = <&hdmi_tx>;
+                       };
+               };
+       };
+};
+
+&arb {
+       status = "okay";
+};
+
+&cec_AO {
+       pinctrl-0 = <&cec_ao_a_h_pins>;
+       pinctrl-names = "default";
+       status = "disabled";
+       hdmi-phandle = <&hdmi_tx>;
+};
+
+&cecb_AO {
+       pinctrl-0 = <&cec_ao_b_h_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+       hdmi-phandle = <&hdmi_tx>;
+};
+
+&clkc_audio {
+       status = "okay";
+};
+
+&ext_mdio {
+       external_phy: ethernet-phy@0 {
+               /* Realtek RTL8211F (0x001cc916) */     
+               reg = <0>;
+               max-speed = <1000>;
+
+               reset-assert-us = <10000>;
+               reset-deassert-us = <30000>;
+               reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
+
+               interrupt-parent = <&gpio_intc>;
+               /* MAC_INTR on GPIOZ_14 */
+               interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
+       };
+};
+
+&ethmac {
+       pinctrl-0 = <&eth_pins>, <&eth_rgmii_pins>;
+       pinctrl-names = "default";
+       status = "okay";
+       phy-mode = "rgmii";
+       phy-handle = <&external_phy>;
+       amlogic,tx-delay-ns = <2>;
+};
+
+&frddr_a {
+       status = "okay";
+};
+
+&frddr_b {
+       status = "okay";
+};
+
+&frddr_c {
+       status = "okay";
+};
+
+&gpio {
+       /*
+        * WARNING: The USB Hub on the Odroid-N2 needs a reset signal
+        * to be turned high in order to be detected by the USB Controller
+        * This signal should be handled by a USB specific power sequence
+        * in order to reset the Hub when USB bus is powered down.
+        */
+       usb-hub {
+               gpio-hog;
+               gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
+               output-high;
+               line-name = "usb-hub-reset";
+       };
+};
+
+&hdmi_tx {
+       status = "okay";
+       pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
+       pinctrl-names = "default";
+       hdmi-supply = <&vcc_5v>;
+};
+
+&hdmi_tx_tmds_port {
+       hdmi_tx_tmds_out: endpoint {
+               remote-endpoint = <&hdmi_connector_in>;
+       };
+};
+
+&ir {
+       status = "okay";
+       pinctrl-0 = <&remote_input_ao_pins>;
+       pinctrl-names = "default";
+};
+
+/* SD card */
+&sd_emmc_b {
+       status = "okay";
+       pinctrl-0 = <&sdcard_c_pins>;
+       pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+       pinctrl-names = "default", "clk-gate";
+
+       bus-width = <4>;
+       cap-sd-highspeed;
+       max-frequency = <50000000>;
+       disable-wp;
+
+       cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+       vmmc-supply = <&tflash_vdd>;
+       vqmmc-supply = <&tf_io>;
+
+};
+
+/* eMMC */
+&sd_emmc_c {
+       status = "okay";
+       pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
+
+       bus-width = <8>;
+       cap-mmc-highspeed;
+       mmc-ddr-1_8v;
+       mmc-hs200-1_8v;
+       max-frequency = <200000000>;
+       disable-wp;
+
+       mmc-pwrseq = <&emmc_pwrseq>;
+       vmmc-supply = <&vcc_3v3>;
+       vqmmc-supply = <&flash_1v8>;
+};
+
+&tdmif_b {
+       status = "okay";
+};
+
+&tdmout_b {
+       status = "okay";
+};
+
+&tohdmitx {
+       status = "okay";
+};
+
+&uart_AO {
+       status = "okay";
+       pinctrl-0 = <&uart_ao_a_pins>;
+       pinctrl-names = "default";
+};
+
+&usb {
+       status = "okay";
+       vbus-supply = <&usb_pwr_en>;
+};
+
+&usb2_phy0 {
+       phy-supply = <&vcc_5v>;
+};
+
+&usb2_phy1 {
+       /* Enable the hub which is connected to this port */
+       phy-supply = <&hub_5v>;
+};

diff --git a/arch/arm/dts/meson-g12b.dtsi b/arch/arm/dts/meson-g12b.dtsi
new file mode 100644 (file)
index 0000000..9e88e51
--- /dev/null
+++ b/arch/arm/dts/meson-g12b.dtsi
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include "meson-g12a.dtsi"
+
+/ {
+       compatible = "amlogic,g12b";
+
+       cpus {
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&cpu0>;
+                               };
+
+                               core1 {
+                                       cpu = <&cpu1>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&cpu100>;
+                               };
+
+                               core1 {
+                                       cpu = <&cpu101>;
+                               };
+
+                               core2 {
+                                       cpu = <&cpu102>;
+                               };
+
+                               core3 {
+                                       cpu = <&cpu103>;
+                               };
+                       };
+               };
+
+               /delete-node/ cpu@2;
+               /delete-node/ cpu@3;
+
+               cpu100: cpu@100 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a73";
+                       reg = <0x0 0x100>;
+                       enable-method = "psci";
+                       next-level-cache = <&l2>;
+               };
+
+               cpu101: cpu@101 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a73";
+                       reg = <0x0 0x101>;
+                       enable-method = "psci";
+                       next-level-cache = <&l2>;
+               };
+
+               cpu102: cpu@102 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a73";
+                       reg = <0x0 0x102>;
+                       enable-method = "psci";
+                       next-level-cache = <&l2>;
+               };
+
+               cpu103: cpu@103 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a73";
+                       reg = <0x0 0x103>;
+                       enable-method = "psci";
+                       next-level-cache = <&l2>;
+               };
+       };
+};
+
+&clkc {
+       compatible = "amlogic,g12b-clkc";
+};

diff --git a/include/dt-bindings/sound/meson-g12a-tohdmitx.h b/include/dt-bindings/sound/meson-g12a-tohdmitx.h
new file mode 100644 (file)
index 0000000..c5e1f48
--- /dev/null
+++ b/include/dt-bindings/sound/meson-g12a-tohdmitx.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_MESON_G12A_TOHDMITX_H
+#define __DT_MESON_G12A_TOHDMITX_H
+
+#define TOHDMITX_I2S_IN_A      0
+#define TOHDMITX_I2S_IN_B      1
+#define TOHDMITX_I2S_IN_C      2
+#define TOHDMITX_I2S_OUT       3
+#define TOHDMITX_SPDIF_IN_A    4
+#define TOHDMITX_SPDIF_IN_B    5
+#define TOHDMITX_SPDIF_OUT     6
+
+#endif /* __DT_MESON_G12A_TOHDMITX_H */