Resguardo inicial

linux-7.2.3/arch/arm/boot/dts/nspire/Makefile

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_NSPIRE) += \
+	nspire-cx.dtb \
+	nspire-tp.dtb \
+	nspire-clp.dtb

linux-7.2.3/arch/arm/boot/dts/nspire/nspire-classic.dtsi

@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ */
+
+/include/ "nspire.dtsi"
+
+&lcd {
+	port {
+		clcd_pads: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
+&fast_timer {
+	/* compatible = "lsi,zevio-timer"; */
+	reg = <0x90010000 0x1000>, <0x900a0010 0x8>;
+};
+
+&uart {
+	compatible = "ns16550";
+	reg-shift = <2>;
+	reg-io-width = <4>;
+	clocks = <&apb_pclk>;
+	no-loopback-test;
+};
+
+&timer0 {
+	/* compatible = "lsi,zevio-timer"; */
+	reg = <0x900c0000 0x1000>, <0x900a0018 0x8>;
+};
+
+&timer1 {
+	compatible = "lsi,zevio-timer";
+	reg = <0x900d0000 0x1000>, <0x900a0020 0x8>;
+};
+
+&keypad {
+	active-low;
+
+};
+
+&base_clk {
+	compatible = "lsi,nspire-classic-clock";
+};
+
+&ahb_clk {
+	compatible = "lsi,nspire-classic-ahb-divider";
+};
+
+
+&vbus_reg {
+	gpio = <&gpio 5 0>;
+};
+
+/ {
+	memory@10000000 {
+		device_type = "memory";
+		reg = <0x10000000 0x2000000>; /* 32 MB */
+	};
+
+	ahb {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		intc: interrupt-controller@dc000000 {
+			compatible = "lsi,zevio-intc";
+			interrupt-controller;
+			reg = <0xdc000000 0x1000>;
+			#interrupt-cells = <1>;
+		};
+	};
+
+	panel {
+		compatible = "ti,nspire-classic-lcd-panel";
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&clcd_pads>;
+			};
+		};
+	};
+	chosen {
+		bootargs = "debug earlyprintk console=tty0 console=ttyS0,115200n8 root=/dev/ram0";
+	};
+};

linux-7.2.3/arch/arm/boot/dts/nspire/nspire-clp.dts

@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+/include/ "nspire-classic.dtsi"
+
+&keypad {
+	linux,keymap = <
+		MATRIX_KEY(0,  0, 0x1c)
+		MATRIX_KEY(0,  1, 0x1c)
+		MATRIX_KEY(0,  2, 0x39)
+		MATRIX_KEY(0,  4, 0x2c)
+		MATRIX_KEY(0,  5, 0x34)
+		MATRIX_KEY(0,  6, 0x15)
+		MATRIX_KEY(0,  7, 0x0b)
+		MATRIX_KEY(0,  8, 0x2d)
+		MATRIX_KEY(1,  0, 0x33)
+		MATRIX_KEY(1,  1, 0x4e)
+		MATRIX_KEY(1,  2, 0x11)
+		MATRIX_KEY(1,  3, 0x04)
+		MATRIX_KEY(1,  4, 0x2f)
+		MATRIX_KEY(1,  5, 0x03)
+		MATRIX_KEY(1,  6, 0x16)
+		MATRIX_KEY(1,  7, 0x02)
+		MATRIX_KEY(1,  8, 0x14)
+		MATRIX_KEY(2,  0, 0x62)
+		MATRIX_KEY(2,  1, 0x0c)
+		MATRIX_KEY(2,  2, 0x1f)
+		MATRIX_KEY(2,  3, 0x07)
+		MATRIX_KEY(2,  4, 0x13)
+		MATRIX_KEY(2,  5, 0x06)
+		MATRIX_KEY(2,  6, 0x10)
+		MATRIX_KEY(2,  7, 0x05)
+		MATRIX_KEY(2,  8, 0x19)
+		MATRIX_KEY(3,  0, 0x27)
+		MATRIX_KEY(3,  1, 0x37)
+		MATRIX_KEY(3,  2, 0x18)
+		MATRIX_KEY(3,  3, 0x0a)
+		MATRIX_KEY(3,  4, 0x31)
+		MATRIX_KEY(3,  5, 0x09)
+		MATRIX_KEY(3,  6, 0x32)
+		MATRIX_KEY(3,  7, 0x08)
+		MATRIX_KEY(3,  8, 0x26)
+		MATRIX_KEY(4,  0, 0x28)
+		MATRIX_KEY(4,  1, 0x35)
+		MATRIX_KEY(4,  2, 0x25)
+		MATRIX_KEY(4,  4, 0x24)
+		MATRIX_KEY(4,  6, 0x17)
+		MATRIX_KEY(4,  8, 0x23)
+		MATRIX_KEY(5,  0, 0x28)
+		MATRIX_KEY(5,  2, 0x22)
+		MATRIX_KEY(5,  3, 0x1b)
+		MATRIX_KEY(5,  4, 0x21)
+		MATRIX_KEY(5,  5, 0x1a)
+		MATRIX_KEY(5,  6, 0x12)
+		MATRIX_KEY(5,  7, 0x6f)
+		MATRIX_KEY(5,  8, 0x20)
+		MATRIX_KEY(5,  9, 0x2a)
+		MATRIX_KEY(6,  1, 0x1c)
+		MATRIX_KEY(6,  2, 0x2e)
+		MATRIX_KEY(6,  3, 0x68)
+		MATRIX_KEY(6,  4, 0x30)
+		MATRIX_KEY(6,  5, 0x6d)
+		MATRIX_KEY(6,  6, 0x1e)
+		MATRIX_KEY(6,  7, 0x01)
+		MATRIX_KEY(6,  8, 0x2b)
+		MATRIX_KEY(6,  9, 0x0f)
+		MATRIX_KEY(7,  0, 0x67)
+		MATRIX_KEY(7,  2, 0x6a)
+		MATRIX_KEY(7,  4, 0x6c)
+		MATRIX_KEY(7,  6, 0x69)
+		MATRIX_KEY(7,  7, 0x0e)
+		MATRIX_KEY(7,  8, 0x1d)
+		MATRIX_KEY(7, 10, 0x0d)
+	>;
+};
+
+/ {
+	model = "TI-NSPIRE Clickpad";
+	compatible = "ti,nspire-clp";
+};

linux-7.2.3/arch/arm/boot/dts/nspire/nspire-cx.dts

@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+/include/ "nspire.dtsi"
+
+&lcd {
+	port {
+		clcd_pads: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
+&fast_timer {
+	/* compatible = "arm,sp804", "arm,primecell"; */
+};
+
+&uart {
+	compatible = "arm,pl011", "arm,primecell";
+
+	clocks = <&uart_clk>, <&apb_pclk>;
+	clock-names = "uartclk", "apb_pclk";
+};
+
+&timer0 {
+	compatible = "arm,sp804", "arm,primecell";
+};
+
+&timer1 {
+	compatible = "arm,sp804", "arm,primecell";
+};
+
+&base_clk {
+	compatible = "lsi,nspire-cx-clock";
+};
+
+&ahb_clk {
+	compatible = "lsi,nspire-cx-ahb-divider";
+};
+
+&keypad {
+	linux,keymap = <
+		MATRIX_KEY(0,  0, 0x1c)
+		MATRIX_KEY(0,  1, 0x1c)
+		MATRIX_KEY(0,  4, 0x39)
+		MATRIX_KEY(0,  5, 0x2c)
+		MATRIX_KEY(0,  6, 0x15)
+		MATRIX_KEY(0,  7, 0x0b)
+		MATRIX_KEY(0,  8, 0x0f)
+		MATRIX_KEY(1,  0, 0x2d)
+		MATRIX_KEY(1,  1, 0x11)
+		MATRIX_KEY(1,  2, 0x2f)
+		MATRIX_KEY(1,  3, 0x04)
+		MATRIX_KEY(1,  4, 0x16)
+		MATRIX_KEY(1,  5, 0x14)
+		MATRIX_KEY(1,  6, 0x1f)
+		MATRIX_KEY(1,  7, 0x02)
+		MATRIX_KEY(1, 10, 0x6a)
+		MATRIX_KEY(2,  0, 0x13)
+		MATRIX_KEY(2,  1, 0x10)
+		MATRIX_KEY(2,  2, 0x19)
+		MATRIX_KEY(2,  3, 0x07)
+		MATRIX_KEY(2,  4, 0x18)
+		MATRIX_KEY(2,  5, 0x31)
+		MATRIX_KEY(2,  6, 0x32)
+		MATRIX_KEY(2,  7, 0x05)
+		MATRIX_KEY(2,  8, 0x28)
+		MATRIX_KEY(2,  9, 0x6c)
+		MATRIX_KEY(3,  0, 0x26)
+		MATRIX_KEY(3,  1, 0x25)
+		MATRIX_KEY(3,  2, 0x24)
+		MATRIX_KEY(3,  3, 0x0a)
+		MATRIX_KEY(3,  4, 0x17)
+		MATRIX_KEY(3,  5, 0x23)
+		MATRIX_KEY(3,  6, 0x22)
+		MATRIX_KEY(3,  7, 0x08)
+		MATRIX_KEY(3,  8, 0x35)
+		MATRIX_KEY(3,  9, 0x69)
+		MATRIX_KEY(4,  0, 0x21)
+		MATRIX_KEY(4,  1, 0x12)
+		MATRIX_KEY(4,  2, 0x20)
+		MATRIX_KEY(4,  4, 0x2e)
+		MATRIX_KEY(4,  5, 0x30)
+		MATRIX_KEY(4,  6, 0x1e)
+		MATRIX_KEY(4,  7, 0x0d)
+		MATRIX_KEY(4,  8, 0x37)
+		MATRIX_KEY(4,  9, 0x67)
+		MATRIX_KEY(5,  1, 0x38)
+		MATRIX_KEY(5,  2, 0x0c)
+		MATRIX_KEY(5,  3, 0x1b)
+		MATRIX_KEY(5,  4, 0x34)
+		MATRIX_KEY(5,  5, 0x1a)
+		MATRIX_KEY(5,  6, 0x06)
+		MATRIX_KEY(5,  8, 0x27)
+		MATRIX_KEY(5,  9, 0x0e)
+		MATRIX_KEY(5, 10, 0x6f)
+		MATRIX_KEY(6,  0, 0x2b)
+		MATRIX_KEY(6,  2, 0x4e)
+		MATRIX_KEY(6,  3, 0x68)
+		MATRIX_KEY(6,  4, 0x03)
+		MATRIX_KEY(6,  5, 0x6d)
+		MATRIX_KEY(6,  6, 0x09)
+		MATRIX_KEY(6,  7, 0x01)
+		MATRIX_KEY(6,  9, 0x0f)
+		MATRIX_KEY(7,  8, 0x2a)
+		MATRIX_KEY(7,  9, 0x1d)
+		MATRIX_KEY(7, 10, 0x33)
+	>;
+};
+
+&vbus_reg {
+	gpio = <&gpio 2 0>;
+};
+
+/ {
+	model = "TI-NSPIRE CX";
+	compatible = "ti,nspire-cx";
+
+	memory@10000000 {
+		device_type = "memory";
+		reg = <0x10000000 0x4000000>; /* 64 MB */
+	};
+
+	uart_clk: uart_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <12000000>;
+	};
+
+	ahb {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		intc: interrupt-controller@dc000000 {
+			compatible = "arm,pl190-vic";
+			interrupt-controller;
+			reg = <0xdc000000 0x1000>;
+			#interrupt-cells = <1>;
+		};
+
+		apb@90000000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			i2c@90050000 {
+				compatible = "snps,designware-i2c";
+				reg = <0x90050000 0x1000>;
+				interrupts = <20>;
+			};
+		};
+	};
+
+	panel {
+		compatible = "ti,nspire-cx-lcd-panel";
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&clcd_pads>;
+			};
+		};
+	};
+	chosen {
+		bootargs = "debug earlyprintk console=tty0 console=ttyAMA0,115200n8 root=/dev/ram0";
+	};
+};

linux-7.2.3/arch/arm/boot/dts/nspire/nspire-tp.dts

@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+/include/ "nspire-classic.dtsi"
+
+&keypad {
+	linux,keymap = <
+		MATRIX_KEY(0,  0, 0x1c)
+		MATRIX_KEY(0,  1, 0x1c)
+		MATRIX_KEY(0,  4, 0x39)
+		MATRIX_KEY(0,  5, 0x2c)
+		MATRIX_KEY(0,  6, 0x15)
+		MATRIX_KEY(0,  7, 0x0b)
+		MATRIX_KEY(0,  8, 0x0f)
+		MATRIX_KEY(1,  0, 0x2d)
+		MATRIX_KEY(1,  1, 0x11)
+		MATRIX_KEY(1,  2, 0x2f)
+		MATRIX_KEY(1,  3, 0x04)
+		MATRIX_KEY(1,  4, 0x16)
+		MATRIX_KEY(1,  5, 0x14)
+		MATRIX_KEY(1,  6, 0x1f)
+		MATRIX_KEY(1,  7, 0x02)
+		MATRIX_KEY(1, 10, 0x6a)
+		MATRIX_KEY(2,  0, 0x13)
+		MATRIX_KEY(2,  1, 0x10)
+		MATRIX_KEY(2,  2, 0x19)
+		MATRIX_KEY(2,  3, 0x07)
+		MATRIX_KEY(2,  4, 0x18)
+		MATRIX_KEY(2,  5, 0x31)
+		MATRIX_KEY(2,  6, 0x32)
+		MATRIX_KEY(2,  7, 0x05)
+		MATRIX_KEY(2,  8, 0x28)
+		MATRIX_KEY(2,  9, 0x6c)
+		MATRIX_KEY(3,  0, 0x26)
+		MATRIX_KEY(3,  1, 0x25)
+		MATRIX_KEY(3,  2, 0x24)
+		MATRIX_KEY(3,  3, 0x0a)
+		MATRIX_KEY(3,  4, 0x17)
+		MATRIX_KEY(3,  5, 0x23)
+		MATRIX_KEY(3,  6, 0x22)
+		MATRIX_KEY(3,  7, 0x08)
+		MATRIX_KEY(3,  8, 0x35)
+		MATRIX_KEY(3,  9, 0x69)
+		MATRIX_KEY(4,  0, 0x21)
+		MATRIX_KEY(4,  1, 0x12)
+		MATRIX_KEY(4,  2, 0x20)
+		MATRIX_KEY(4,  4, 0x2e)
+		MATRIX_KEY(4,  5, 0x30)
+		MATRIX_KEY(4,  6, 0x1e)
+		MATRIX_KEY(4,  7, 0x0d)
+		MATRIX_KEY(4,  8, 0x37)
+		MATRIX_KEY(4,  9, 0x67)
+		MATRIX_KEY(5,  1, 0x38)
+		MATRIX_KEY(5,  2, 0x0c)
+		MATRIX_KEY(5,  3, 0x1b)
+		MATRIX_KEY(5,  4, 0x34)
+		MATRIX_KEY(5,  5, 0x1a)
+		MATRIX_KEY(5,  6, 0x06)
+		MATRIX_KEY(5,  8, 0x27)
+		MATRIX_KEY(5,  9, 0x0e)
+		MATRIX_KEY(5, 10, 0x6f)
+		MATRIX_KEY(6,  0, 0x2b)
+		MATRIX_KEY(6,  2, 0x4e)
+		MATRIX_KEY(6,  3, 0x68)
+		MATRIX_KEY(6,  4, 0x03)
+		MATRIX_KEY(6,  5, 0x6d)
+		MATRIX_KEY(6,  6, 0x09)
+		MATRIX_KEY(6,  7, 0x01)
+		MATRIX_KEY(6,  9, 0x0f)
+		MATRIX_KEY(7,  8, 0x2a)
+		MATRIX_KEY(7,  9, 0x1d)
+		MATRIX_KEY(7, 10, 0x33)
+	>;
+};
+
+/ {
+	model = "TI-NSPIRE Touchpad";
+	compatible = "ti,nspire-tp";
+};

linux-7.2.3/arch/arm/boot/dts/nspire/nspire.dtsi

@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ */
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	interrupt-parent = <&intc>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "arm,arm926ej-s";
+			device_type = "cpu";
+			reg = <0>;
+		};
+	};
+
+	bootrom: bootrom@0 {
+		reg = <0x00000000 0x80000>;
+	};
+
+	sram: sram@a4000000 {
+		compatible = "mmio-sram";
+		reg = <0xa4000000 0x20000>; /* 128k */
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0xa4000000 0x20000>;
+
+		sram@0 {
+			reg = <0x0 0x20000>;
+		};
+	};
+
+	timer_clk: timer_clk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+	};
+
+	base_clk: base_clk {
+		#clock-cells = <0>;
+		reg = <0x900b0024 0x4>;
+	};
+
+	ahb_clk: ahb_clk {
+		#clock-cells = <0>;
+		reg = <0x900b0024 0x4>;
+		clocks = <&base_clk>;
+	};
+
+	apb_pclk: apb_pclk {
+		#clock-cells = <0>;
+		compatible = "fixed-factor-clock";
+		clock-div = <2>;
+		clock-mult = <1>;
+		clocks = <&ahb_clk>;
+	};
+
+	usb_phy: usb_phy {
+		compatible = "usb-nop-xceiv";
+		#phy-cells = <0>;
+	};
+
+	vbus_reg: vbus_reg {
+		compatible = "regulator-fixed";
+
+		regulator-name = "USB VBUS output";
+
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		spi: spi@a9000000 {
+			reg = <0xa9000000 0x1000>;
+		};
+
+		usb0: usb@b0000000 {
+			compatible = "lsi,zevio-usb";
+			reg = <0xb0000000 0x1000>;
+			interrupts = <8>;
+
+			usb-phy = <&usb_phy>;
+			vbus-supply = <&vbus_reg>;
+		};
+
+		usb1: usb@b4000000 {
+			reg = <0xb4000000 0x1000>;
+			interrupts = <9>;
+			status = "disabled";
+		};
+
+		lcd: lcd@c0000000 {
+			compatible = "arm,pl111", "arm,primecell";
+			reg = <0xc0000000 0x1000>;
+			interrupts = <21>;
+
+			/*
+			 * We assume the same clock is fed to APB and CLCDCLK.
+			 * There is some code to scale the clock down by a factor
+			 * 48 for the display so likely the frequency to the
+			 * display is 1MHz and the CLCDCLK is 48 MHz.
+			 */
+			clocks = <&apb_pclk>, <&apb_pclk>;
+			clock-names = "clcdclk", "apb_pclk";
+		};
+
+		adc: adc@c4000000 {
+			reg = <0xc4000000 0x1000>;
+			interrupts = <11>;
+		};
+
+		tdes: crypto@c8010000 {
+			reg = <0xc8010000 0x1000>;
+		};
+
+		sha256: crypto@cc000000 {
+			reg = <0xcc000000 0x1000>;
+		};
+
+		apb@90000000 {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			clock-ranges;
+			ranges;
+
+			gpio: gpio@90000000 {
+				compatible = "lsi,zevio-gpio";
+				reg = <0x90000000 0x1000>;
+				interrupts = <7>;
+				gpio-controller;
+				#gpio-cells = <2>;
+			};
+
+			fast_timer: timer@90010000 {
+				reg = <0x90010000 0x1000>;
+				interrupts = <17>;
+			};
+
+			uart: serial@90020000 {
+				reg = <0x90020000 0x1000>;
+				interrupts = <1>;
+			};
+
+			timer0: timer@900c0000 {
+				reg = <0x900c0000 0x1000>;
+				clocks = <&timer_clk>, <&timer_clk>,
+					 <&timer_clk>;
+				clock-names = "timer0clk", "timer1clk",
+					      "apb_pclk";
+			};
+
+			timer1: timer@900d0000 {
+				reg = <0x900d0000 0x1000>;
+				interrupts = <19>;
+				clocks = <&timer_clk>, <&timer_clk>,
+					 <&timer_clk>;
+				clock-names = "timer0clk", "timer1clk",
+					      "apb_pclk";
+			};
+
+			watchdog: watchdog@90060000 {
+				compatible = "arm,sp805", "arm,primecell";
+				reg = <0x90060000 0x1000>;
+				interrupts = <3>;
+				clocks = <&apb_pclk>, <&apb_pclk>;
+				clock-names = "wdog_clk", "apb_pclk";
+				status = "disabled";
+			};
+
+			rtc: rtc@90090000 {
+				reg = <0x90090000 0x1000>;
+				interrupts = <4>;
+			};
+
+			misc: misc@900a0000 {
+				compatible = "ti,nspire-misc", "syscon", "simple-mfd";
+				reg = <0x900a0000 0x1000>;
+
+				reboot {
+					compatible = "syscon-reboot";
+					offset = <0x08>;
+					value = <0x02>;
+				};
+			};
+
+			pwr: pwr@900b0000 {
+				reg = <0x900b0000 0x1000>;
+				interrupts = <15>;
+			};
+
+			keypad: input@900e0000 {
+				compatible = "ti,nspire-keypad";
+				reg = <0x900e0000 0x1000>;
+				interrupts = <16>;
+
+				scan-interval = <1000>;
+				row-delay = <200>;
+
+				clocks = <&apb_pclk>;
+			};
+
+			contrast: contrast@900f0000 {
+				reg = <0x900f0000 0x1000>;
+			};
+
+			led: led@90110000 {
+				reg = <0x90110000 0x1000>;
+			};
+		};
+	};
+};