GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+/*
+ * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
+ *
+ * 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 "sun8i-a23.dtsi"
+#include "sun8i-reference-design-tablet.dtsi"
+
+/ {
+	model = "Polaroid MID2407PXE03 tablet";
+	compatible = "polaroid,mid2407pxe03", "allwinner,sun8i-a23";
+
+	aliases {
+		ethernet0 = &esp8089;
+	};
+
+	wifi_pwrseq: wifi_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&wifi_pwrseq_pin_mid2407>;
+		reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL6 */
+		/* The esp8089 needs 200 ms after driving wifi-en high */
+		post-power-on-delay-ms = <200>;
+	};
+};
+
+&i2c1 {
+	mma7660: accelerometer@4c {
+		reg = <0x4c>;
+		compatible = "fsl,mma7660";
+	};
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins_a>;
+	vmmc-supply = <&reg_dldo1>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	esp8089: sdio_wifi@1 {
+		compatible = "esp,esp8089";
+		reg = <1>;
+		esp,crystal-26M-en = <2>;
+	};
+};
+
+&mmc1_pins_a {
+	bias-pull-up;
+};
+
+&r_pio {
+	wifi_pwrseq_pin_mid2407: wifi_pwrseq_pin@0 {
+		pins = "PL6";
+		function = "gpio_out";
+	};
+};
+
+&touchscreen {
+	reg = <0x40>;
+	compatible = "silead,gsl1680";
+	firmware-name = "gsl1680-polaroid-mid2407pxe03.fw";
+	touchscreen-size-x = <960>;
+	touchscreen-size-y = <640>;
+	touchscreen-inverted-x;
+	touchscreen-inverted-y;
+	vddio-supply = <&reg_ldo_io1>;
+	status = "okay";
+};