arch/arm/boot/dts/integratorcp.dts - linux/torvalds/linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  * Device Tree for the ARM Integrator/CP platform
  */

 /dts-v1/;
 /include/ "integrator.dtsi"

 / {
 	model = "ARM Integrator/CP";
 	compatible = "arm,integrator-cp";

 	chosen {
 		bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk";
 	};

 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;

 		cpu@0 {
 			device_type = "cpu";
 			/*
 			 * Since the board has pluggable CPU modules, we
 			 * cannot define a proper compatible here. Let the
 			 * boot loader fill in the apropriate compatible
 			 * string if necessary.
 			 */
 			/* compatible = "arm,arm920t"; */
 			reg = <0>;
 			/*
 			 * TBD comment.
 			 */
 					 /* kHz     uV   */
 			operating-points = <50000  0
 					    48000  0>;
 			clocks = <&cmcore>;
 			clock-names = "cpu";
 			clock-latency = <1000000>; /* 1 ms */
 		};
 	};

 	/*
 	 * The Integrator/CP overall clocking architecture can be found in
 	 * ARM DUI 0184B page 7-28 "Integrator/CP922T system clocks" which
 	 * appear to illustrate the layout used in most configurations.
 	 */

 	/* The codec chrystal operates at 24.576 MHz */
 	xtal_codec: xtal24.576@24.576M {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <24576000>;
 	};

 	/* The chrystal is divided by 2 by the codec for the AACI bit clock */
 	aaci_bitclk: aaci_bitclk@12.288M {
 		#clock-cells = <0>;
 		compatible = "fixed-factor-clock";
 		clock-div = <2>;
 		clock-mult = <1>;
 		clocks = <&xtal_codec>;
 	};

 	/* This is a 25MHz chrystal on the base board */
 	xtal25mhz: xtal25mhz@25M {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <25000000>;
 	};

 	/* The UART clock is 14.74 MHz divided from 25MHz by an ICS525 */
 	uartclk: uartclk@14.74M {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <14745600>;
 	};

 	/* Actually sysclk I think */
 	pclk: pclk@0 {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 		clock-frequency = <0>;
 	};

 	core-module@10000000 {
 		/* 24 MHz chrystal on the core module */
 		cm24mhz: cm24mhz@24M {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
 			clock-frequency = <24000000>;
 		};

 		/* Oscillator on the core module, clocks the CPU core */
 		cmcore: cmosc@24M {
 			compatible = "arm,syscon-icst525-integratorcp-cm-core";
 			#clock-cells = <0>;
 			lock-offset = <0x14>;
 			vco-offset = <0x08>;
 			clocks = <&cm24mhz>;
 		};

 		/* Oscillator on the core module, clocks the memory bus */
 		cmmem: cmosc@24M {
 			compatible = "arm,syscon-icst525-integratorcp-cm-mem";
 			#clock-cells = <0>;
 			lock-offset = <0x14>;
 			vco-offset = <0x08>;
 			clocks = <&cm24mhz>;
 		};

 		/* Auxilary oscillator on the core module, clocks the CLCD */
 		auxosc: auxosc@24M {
 			compatible = "arm,syscon-icst525";
 			#clock-cells = <0>;
 			lock-offset = <0x14>;
 			vco-offset = <0x1c>;
 			clocks = <&cm24mhz>;
 		};

 		/* The KMI clock is the 24 MHz oscillator divided to 8MHz */
 		kmiclk: kmiclk@1M {
 			#clock-cells = <0>;
 			compatible = "fixed-factor-clock";
 			clock-div = <3>;
 			clock-mult = <1>;
 			clocks = <&cm24mhz>;
 		};

 		/* The timer clock is the 24 MHz oscillator divided to 1MHz */
 		timclk: timclk@1M {
 			#clock-cells = <0>;
 			compatible = "fixed-factor-clock";
 			clock-div = <24>;
 			clock-mult = <1>;
 			clocks = <&cm24mhz>;
 		};
 	};

 	syscon {
 		compatible = "arm,integrator-cp-syscon", "syscon";
 		reg = <0xcb000000 0x100>;
 	};

 	timer0: timer@13000000 {
 		/* TIMER0 runs directly on the 25MHz chrystal */
 		compatible = "arm,integrator-cp-timer";
 		clocks = <&xtal25mhz>;
 	};

 	timer1: timer@13000100 {
 		/* TIMER1 runs @ 1MHz */
 		compatible = "arm,integrator-cp-timer";
 		clocks = <&timclk>;
 	};

 	timer2: timer@13000200 {
 		/* TIMER2 runs @ 1MHz */
 		compatible = "arm,integrator-cp-timer";
 		clocks = <&timclk>;
 	};

 	pic: pic@14000000 {
 		valid-mask = <0x1fc003ff>;
 	};

 	cic: cic@10000040 {
 		compatible = "arm,versatile-fpga-irq";
 		#interrupt-cells = <1>;
 		interrupt-controller;
 		reg = <0x10000040 0x100>;
 		clear-mask = <0xffffffff>;
 		valid-mask = <0x00000007>;
 	};

 	/* The SIC is cascaded off IRQ 26 on the PIC */
 	sic: sic@ca000000 {
 		compatible = "arm,versatile-fpga-irq";
 		interrupt-parent = <&pic>;
 		interrupts = <26>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
 		reg = <0xca000000 0x100>;
 		clear-mask = <0x00000fff>;
 		valid-mask = <0x00000fff>;
 	};

 	ethernet@c8000000 {
 		compatible = "smsc,lan91c111";
 		reg = <0xc8000000 0x10>;
 		interrupt-parent = <&pic>;
 		interrupts = <27>;
 	};

 	bridge {
 		compatible = "ti,ths8134a", "ti,ths8134";
 		#address-cells = <1>;
 		#size-cells = <0>;

 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;

 			port@0 {
 				reg = <0>;

 				vga_bridge_in: endpoint {
 					remote-endpoint = <&clcd_pads_vga_dac>;
 				};
 			};

 			port@1 {
 				reg = <1>;

 				vga_bridge_out: endpoint {
 					remote-endpoint = <&vga_con_in>;
 				};
 			};
 		};
 	};

 	vga {
 		compatible = "vga-connector";

 		port {
 			vga_con_in: endpoint {
 				remote-endpoint = <&vga_bridge_out>;
 			};
 		};
 	};

 	fpga {
 		/*
 		 * These PrimeCells are at the same location and using
 		 * the same interrupts in all Integrators, but in the CP
 		 * slightly newer versions are deployed.
 		 */
 		rtc@15000000 {
 			compatible = "arm,pl031", "arm,primecell";
 			clocks = <&pclk>;
 			clock-names = "apb_pclk";
 		};

 		uart@16000000 {
 			compatible = "arm,pl011", "arm,primecell";
 			clocks = <&uartclk>, <&pclk>;
 			clock-names = "uartclk", "apb_pclk";
 		};

 		uart@17000000 {
 			compatible = "arm,pl011", "arm,primecell";
 			clocks = <&uartclk>, <&pclk>;
 			clock-names = "uartclk", "apb_pclk";
 		};

 		kmi@18000000 {
 			compatible = "arm,pl050", "arm,primecell";
 			clocks = <&kmiclk>, <&pclk>;
 			clock-names = "KMIREFCLK", "apb_pclk";
 		};

 		kmi@19000000 {
 			compatible = "arm,pl050", "arm,primecell";
 			clocks = <&kmiclk>, <&pclk>;
 			clock-names = "KMIREFCLK", "apb_pclk";
 		};

 		/*
 		 * These PrimeCells are only available on the Integrator/CP
 		 */
 		mmc@1c000000 {
 			compatible = "arm,pl180", "arm,primecell";
 			reg = <0x1c000000 0x1000>;
 			interrupts = <23 24>;
 			max-frequency = <515633>;
 			clocks = <&uartclk>, <&pclk>;
 			clock-names = "mclk", "apb_pclk";
 		};

 		aaci@1d000000 {
 			compatible = "arm,pl041", "arm,primecell";
 			reg = <0x1d000000 0x1000>;
 			interrupts = <25>;
 			clocks = <&pclk>;
 			clock-names = "apb_pclk";
 		};

 		clcd@c0000000 {
 			compatible = "arm,pl110", "arm,primecell";
 			reg = <0xC0000000 0x1000>;
 			interrupts = <22>;
 			clocks = <&auxosc>, <&pclk>;
 			clock-names = "clcdclk", "apb_pclk";
 			/* 640x480 16bpp @ 25.175MHz is 36827428 bytes/s */
 			max-memory-bandwidth = <40000000>;

 			/*
 			 * This port is routed through a PLD (Programmable
 			 * Logic Device) that routes the output from the CLCD
 			 * (after transformations) to the VGA DAC and also an
 			 * external panel connector. The PLD is essential for
 			 * supporting RGB565/BGR565.
 			 *
 			 * The signals from the port thus reaches two endpoints.
 			 * The PLD is managed through a few special bits in the
 			 * FPGA "sysreg".
 			 *
 			 * This arrangement can be clearly seen in
 			 * ARM DUI 0225D, page 3-41, figure 3-19.
 			 */
 			port@0 {
 				clcd_pads_vga_dac: endpoint {
 					remote-endpoint = <&vga_bridge_in>;
 					arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
 				};
 			};
 		};
 	};
 };
	// SPDX-License-Identifier: GPL-2.0
	/*
	* Device Tree for the ARM Integrator/CP platform
	*/

	/dts-v1/;
	/include/ "integrator.dtsi"

	/ {
	model = "ARM Integrator/CP";
	compatible = "arm,integrator-cp";

	chosen {
	bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk";
	};

	cpus {
	#address-cells = <1>;
	#size-cells = <0>;

	cpu@0 {
	device_type = "cpu";
	/*
	* Since the board has pluggable CPU modules, we
	* cannot define a proper compatible here. Let the
	* boot loader fill in the apropriate compatible
	* string if necessary.
	*/
	/* compatible = "arm,arm920t"; */
	reg = <0>;
	/*
	* TBD comment.
	*/
	/* kHz uV */
	operating-points = <50000 0
	48000 0>;
	clocks = <&cmcore>;
	clock-names = "cpu";
	clock-latency = <1000000>; /* 1 ms */
	};
	};

	/*
	* The Integrator/CP overall clocking architecture can be found in
	* ARM DUI 0184B page 7-28 "Integrator/CP922T system clocks" which
	* appear to illustrate the layout used in most configurations.
	*/

	/* The codec chrystal operates at 24.576 MHz */
	xtal_codec: xtal24.576@24.576M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <24576000>;
	};

	/* The chrystal is divided by 2 by the codec for the AACI bit clock */
	aaci_bitclk: aaci_bitclk@12.288M {
	#clock-cells = <0>;
	compatible = "fixed-factor-clock";
	clock-div = <2>;
	clock-mult = <1>;
	clocks = <&xtal_codec>;
	};

	/* This is a 25MHz chrystal on the base board */
	xtal25mhz: xtal25mhz@25M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <25000000>;
	};

	/* The UART clock is 14.74 MHz divided from 25MHz by an ICS525 */
	uartclk: uartclk@14.74M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <14745600>;
	};

	/* Actually sysclk I think */
	pclk: pclk@0 {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <0>;
	};

	core-module@10000000 {
	/* 24 MHz chrystal on the core module */
	cm24mhz: cm24mhz@24M {
	#clock-cells = <0>;
	compatible = "fixed-clock";
	clock-frequency = <24000000>;
	};

	/* Oscillator on the core module, clocks the CPU core */
	cmcore: cmosc@24M {
	compatible = "arm,syscon-icst525-integratorcp-cm-core";
	#clock-cells = <0>;
	lock-offset = <0x14>;
	vco-offset = <0x08>;
	clocks = <&cm24mhz>;
	};

	/* Oscillator on the core module, clocks the memory bus */
	cmmem: cmosc@24M {
	compatible = "arm,syscon-icst525-integratorcp-cm-mem";
	#clock-cells = <0>;
	lock-offset = <0x14>;
	vco-offset = <0x08>;
	clocks = <&cm24mhz>;
	};

	/* Auxilary oscillator on the core module, clocks the CLCD */
	auxosc: auxosc@24M {
	compatible = "arm,syscon-icst525";
	#clock-cells = <0>;
	lock-offset = <0x14>;
	vco-offset = <0x1c>;
	clocks = <&cm24mhz>;
	};

	/* The KMI clock is the 24 MHz oscillator divided to 8MHz */
	kmiclk: kmiclk@1M {
	#clock-cells = <0>;
	compatible = "fixed-factor-clock";
	clock-div = <3>;
	clock-mult = <1>;
	clocks = <&cm24mhz>;
	};

	/* The timer clock is the 24 MHz oscillator divided to 1MHz */
	timclk: timclk@1M {
	#clock-cells = <0>;
	compatible = "fixed-factor-clock";
	clock-div = <24>;
	clock-mult = <1>;
	clocks = <&cm24mhz>;
	};
	};

	syscon {
	compatible = "arm,integrator-cp-syscon", "syscon";
	reg = <0xcb000000 0x100>;
	};

	timer0: timer@13000000 {
	/* TIMER0 runs directly on the 25MHz chrystal */
	compatible = "arm,integrator-cp-timer";
	clocks = <&xtal25mhz>;
	};

	timer1: timer@13000100 {
	/* TIMER1 runs @ 1MHz */
	compatible = "arm,integrator-cp-timer";
	clocks = <&timclk>;
	};

	timer2: timer@13000200 {
	/* TIMER2 runs @ 1MHz */
	compatible = "arm,integrator-cp-timer";
	clocks = <&timclk>;
	};

	pic: pic@14000000 {
	valid-mask = <0x1fc003ff>;
	};

	cic: cic@10000040 {
	compatible = "arm,versatile-fpga-irq";
	#interrupt-cells = <1>;
	interrupt-controller;
	reg = <0x10000040 0x100>;
	clear-mask = <0xffffffff>;
	valid-mask = <0x00000007>;
	};

	/* The SIC is cascaded off IRQ 26 on the PIC */
	sic: sic@ca000000 {
	compatible = "arm,versatile-fpga-irq";
	interrupt-parent = <&pic>;
	interrupts = <26>;
	#interrupt-cells = <1>;
	interrupt-controller;
	reg = <0xca000000 0x100>;
	clear-mask = <0x00000fff>;
	valid-mask = <0x00000fff>;
	};

	ethernet@c8000000 {
	compatible = "smsc,lan91c111";
	reg = <0xc8000000 0x10>;
	interrupt-parent = <&pic>;
	interrupts = <27>;
	};

	bridge {
	compatible = "ti,ths8134a", "ti,ths8134";
	#address-cells = <1>;
	#size-cells = <0>;

	ports {
	#address-cells = <1>;
	#size-cells = <0>;

	port@0 {
	reg = <0>;

	vga_bridge_in: endpoint {
	remote-endpoint = <&clcd_pads_vga_dac>;
	};
	};

	port@1 {
	reg = <1>;

	vga_bridge_out: endpoint {
	remote-endpoint = <&vga_con_in>;
	};
	};
	};
	};

	vga {
	compatible = "vga-connector";

	port {
	vga_con_in: endpoint {
	remote-endpoint = <&vga_bridge_out>;
	};
	};
	};

	fpga {
	/*
	* These PrimeCells are at the same location and using
	* the same interrupts in all Integrators, but in the CP
	* slightly newer versions are deployed.
	*/
	rtc@15000000 {
	compatible = "arm,pl031", "arm,primecell";
	clocks = <&pclk>;
	clock-names = "apb_pclk";
	};

	uart@16000000 {
	compatible = "arm,pl011", "arm,primecell";
	clocks = <&uartclk>, <&pclk>;
	clock-names = "uartclk", "apb_pclk";
	};

	uart@17000000 {
	compatible = "arm,pl011", "arm,primecell";
	clocks = <&uartclk>, <&pclk>;
	clock-names = "uartclk", "apb_pclk";
	};

	kmi@18000000 {
	compatible = "arm,pl050", "arm,primecell";
	clocks = <&kmiclk>, <&pclk>;
	clock-names = "KMIREFCLK", "apb_pclk";
	};

	kmi@19000000 {
	compatible = "arm,pl050", "arm,primecell";
	clocks = <&kmiclk>, <&pclk>;
	clock-names = "KMIREFCLK", "apb_pclk";
	};

	/*
	* These PrimeCells are only available on the Integrator/CP
	*/
	mmc@1c000000 {
	compatible = "arm,pl180", "arm,primecell";
	reg = <0x1c000000 0x1000>;
	interrupts = <23 24>;
	max-frequency = <515633>;
	clocks = <&uartclk>, <&pclk>;
	clock-names = "mclk", "apb_pclk";
	};

	aaci@1d000000 {
	compatible = "arm,pl041", "arm,primecell";
	reg = <0x1d000000 0x1000>;
	interrupts = <25>;
	clocks = <&pclk>;
	clock-names = "apb_pclk";
	};

	clcd@c0000000 {
	compatible = "arm,pl110", "arm,primecell";
	reg = <0xC0000000 0x1000>;
	interrupts = <22>;
	clocks = <&auxosc>, <&pclk>;
	clock-names = "clcdclk", "apb_pclk";
	/* 640x480 16bpp @ 25.175MHz is 36827428 bytes/s */
	max-memory-bandwidth = <40000000>;

	/*
	* This port is routed through a PLD (Programmable
	* Logic Device) that routes the output from the CLCD
	* (after transformations) to the VGA DAC and also an
	* external panel connector. The PLD is essential for
	* supporting RGB565/BGR565.
	*
	* The signals from the port thus reaches two endpoints.
	* The PLD is managed through a few special bits in the
	* FPGA "sysreg".
	*
	* This arrangement can be clearly seen in
	* ARM DUI 0225D, page 3-41, figure 3-19.
	*/
	port@0 {
	clcd_pads_vga_dac: endpoint {
	remote-endpoint = <&vga_bridge_in>;
	arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
	};
	};
	};
	};
	};