275 lines
6.7 KiB
Diff
275 lines
6.7 KiB
Diff
diff --git a/arch/arm/boot/dts/rk322x-box.dts b/arch/arm/boot/dts/rk322x-box.dts
|
|
new file mode 100644
|
|
index 00000000..fbd19649
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/rk322x-box.dts
|
|
@@ -0,0 +1,268 @@
|
|
+/*
|
|
+ * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd
|
|
+ *
|
|
+ * This file is dual-licensed: you can use it either under the terms
|
|
+ * of the GPL or the X11 license, at your option. Note that this dual
|
|
+ * licensing only applies to this file, and not this project as a
|
|
+ * whole.
|
|
+ *
|
|
+ * a) This file is free software; you can redistribute it and/or
|
|
+ * modify it under the terms of the GNU General Public License as
|
|
+ * published by the Free Software Foundation; either version 2 of the
|
|
+ * License, or (at your option) any later version.
|
|
+ *
|
|
+ * This file is distributed in the hope that it will be useful,
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
+ * GNU General Public License for more details.
|
|
+ *
|
|
+ * Or, alternatively,
|
|
+ *
|
|
+ * b) Permission is hereby granted, free of charge, to any person
|
|
+ * obtaining a copy of this software and associated documentation
|
|
+ * files (the "Software"), to deal in the Software without
|
|
+ * restriction, including without limitation the rights to use,
|
|
+ * copy, modify, merge, publish, distribute, sublicense, and/or
|
|
+ * sell copies of the Software, and to permit persons to whom the
|
|
+ * Software is furnished to do so, subject to the following
|
|
+ * conditions:
|
|
+ *
|
|
+ * The above copyright notice and this permission notice shall be
|
|
+ * included in all copies or substantial portions of the Software.
|
|
+ *
|
|
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
+ * OTHER DEALINGS IN THE SOFTWARE.
|
|
+ */
|
|
+
|
|
+/dts-v1/;
|
|
+
|
|
+#include "rk3228a-box.dtsi"
|
|
+
|
|
+/ {
|
|
+
|
|
+ model = "Generic RK322x TV Box board";
|
|
+
|
|
+ gpio_leds: gpio-leds {
|
|
+
|
|
+ compatible = "gpio-leds";
|
|
+
|
|
+ working {
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&gpio_led_working>;
|
|
+ gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_LOW>;
|
|
+ label = "working";
|
|
+ default-state = "on";
|
|
+ linux,default-trigger = "timer";
|
|
+ };
|
|
+
|
|
+ };
|
|
+
|
|
+ gpio_keys: gpio-keys {
|
|
+
|
|
+ compatible = "gpio-keys";
|
|
+
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+
|
|
+
|
|
+ };
|
|
+
|
|
+ sdio_pwrseq: sdio-pwrseq {
|
|
+ compatible = "mmc-pwrseq-simple";
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&wifi_enable_h>;
|
|
+ reset-gpios = <&gpio2 26 GPIO_ACTIVE_LOW>; /* GPIO2_D2 */
|
|
+ };
|
|
+
|
|
+};
|
|
+
|
|
+/** Integration to pin controller */
|
|
+&pinctrl {
|
|
+
|
|
+ pcfg_pull_up_12ma: pcfg-pull-up-12ma {
|
|
+ drive-strength = <12>;
|
|
+ bias-pull-up;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_down_12ma: pcfg-pull-down-12ma {
|
|
+ drive-strength = <12>;
|
|
+ bias-pull-down;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_none_12ma: pcfg-pull-none-12ma {
|
|
+ drive-strength = <12>;
|
|
+ bias-disable;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_up_8ma: pcfg-pull-up-8ma {
|
|
+ drive-strength = <8>;
|
|
+ bias-pull-up;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_down_8ma: pcfg-pull-down-8ma {
|
|
+ drive-strength = <8>;
|
|
+ bias-pull-down;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_none_8ma: pcfg-pull-none-8ma {
|
|
+ drive-strength = <8>;
|
|
+ bias-disable;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_up_2ma: pcfg-pull-up-2ma {
|
|
+ drive-strength = <2>;
|
|
+ bias-pull-up;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_down_2ma: pcfg-pull-down-2ma {
|
|
+ drive-strength = <2>;
|
|
+ bias-pull-down;
|
|
+ };
|
|
+
|
|
+ pcfg_pull_none_2ma: pcfg-pull-none-2ma {
|
|
+ drive-strength = <2>;
|
|
+ bias-disable;
|
|
+ };
|
|
+
|
|
+ /*
|
|
+ * Some rk322x electrical schemes report this kind of pull-up/down
|
|
+ * pin configurations. We set them here, but we don't use it in this
|
|
+ * device tree. These instead are useful for overlays, because they seem
|
|
+ * to increase stability on at least one board I got here
|
|
+ */
|
|
+ sdmmc {
|
|
+ sdmmc_clk: sdmmc-clk {
|
|
+ rockchip,pins = <1 16 RK_FUNC_1 &pcfg_pull_down>;
|
|
+ };
|
|
+
|
|
+ sdmmc_cmd: sdmmc-cmd {
|
|
+ rockchip,pins = <1 15 RK_FUNC_1 &pcfg_pull_up>;
|
|
+ };
|
|
+
|
|
+ sdmmc_bus4: sdmmc-bus4 {
|
|
+ rockchip,pins = <1 18 RK_FUNC_1 &pcfg_pull_up>,
|
|
+ <1 19 RK_FUNC_1 &pcfg_pull_up>,
|
|
+ <1 20 RK_FUNC_1 &pcfg_pull_up>,
|
|
+ <1 21 RK_FUNC_1 &pcfg_pull_up>;
|
|
+ };
|
|
+ };
|
|
+
|
|
+ /*
|
|
+ * Same as above, decreasing strength of SDIO pins seems to be benefical
|
|
+ * to stability
|
|
+ */
|
|
+ sdio {
|
|
+ sdio_clk: sdio-clk {
|
|
+ rockchip,pins = <3 0 RK_FUNC_1 &pcfg_pull_down_2ma>;
|
|
+ };
|
|
+
|
|
+ sdio_cmd: sdio-cmd {
|
|
+ rockchip,pins = <3 1 RK_FUNC_1 &pcfg_pull_up_2ma>;
|
|
+ };
|
|
+
|
|
+ sdio_bus4: sdio-bus4 {
|
|
+ rockchip,pins = <3 2 RK_FUNC_1 &pcfg_pull_up_2ma>,
|
|
+ <3 3 RK_FUNC_1 &pcfg_pull_up_2ma>,
|
|
+ <3 4 RK_FUNC_1 &pcfg_pull_up_2ma>,
|
|
+ <3 5 RK_FUNC_1 &pcfg_pull_up_2ma>;
|
|
+ };
|
|
+ };
|
|
+
|
|
+ /*
|
|
+ * Same drill as above, electrical schemes also report this pull-up/down
|
|
+ * configurations.
|
|
+ */
|
|
+ emmc {
|
|
+ emmc_clk: emmc-clk {
|
|
+ rockchip,pins = <2 7 RK_FUNC_2 &pcfg_pull_up>;
|
|
+ };
|
|
+
|
|
+ emmc_cmd: emmc-cmd {
|
|
+ rockchip,pins = <1 22 RK_FUNC_2 &pcfg_pull_up>;
|
|
+ };
|
|
+
|
|
+ emmc_bus8: emmc-bus8 {
|
|
+ rockchip,pins = <1 24 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 25 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 26 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 27 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 28 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 29 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 30 RK_FUNC_2 &pcfg_pull_up>,
|
|
+ <1 31 RK_FUNC_2 &pcfg_pull_up>;
|
|
+ };
|
|
+
|
|
+ emmc_pwr: emmc-pwr {
|
|
+ rockchip,pins = <2 RK_PA5 RK_FUNC_2 &pcfg_pull_down>;
|
|
+ };
|
|
+
|
|
+ emmc_rst: emmc-rst {
|
|
+ rockchip,pins = <1 RK_PC7 RK_FUNC_2 &pcfg_pull_up>;
|
|
+ };
|
|
+
|
|
+ };
|
|
+
|
|
+ gpio {
|
|
+ gpio_led_working: gpio-led-working {
|
|
+ rockchip,pins = <3 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>;
|
|
+ };
|
|
+ };
|
|
+
|
|
+};
|
|
+
|
|
+/** MMC and NAND controller and interfaces */
|
|
+
|
|
+&emmc {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&sdio {
|
|
+ mmc-pwrseq = <&sdio_pwrseq>;
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&sdmmc {
|
|
+ cd-debounce-delay-ms = <500>;
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&nandc {
|
|
+ status = "okay";
|
|
+};
|
|
+
|
|
+&usb_otg {
|
|
+ dr_mode = "host";
|
|
+};
|
|
+
|
|
+// GPU voltages are raised a bit to raise logic voltage
|
|
+// that has to handle DDR3@660 Mhz from ddrbin.
|
|
+&gpu_opp_table {
|
|
+
|
|
+ opp-200000000 {
|
|
+ opp-hz = /bits/ 64 <200000000>;
|
|
+ opp-microvolt = <1075000>;
|
|
+ opp-microvolt-L0 = <1075000>;
|
|
+ opp-microvolt-L1 = <1050000>;
|
|
+ };
|
|
+
|
|
+ opp-300000000 {
|
|
+ opp-hz = /bits/ 64 <300000000>;
|
|
+ opp-microvolt = <1075000>;
|
|
+ opp-microvolt-L0 = <1075000>;
|
|
+ opp-microvolt-L1 = <1050000>;
|
|
+ };
|
|
+
|
|
+ opp-500000000 {
|
|
+ opp-hz = /bits/ 64 <500000000>;
|
|
+ opp-microvolt = <1150000>;
|
|
+ opp-microvolt-L0 = <1150000>;
|
|
+ opp-microvolt-L1 = <1100000>;
|
|
+ };
|
|
+
|
|
+};
|