arch/arm/boot/dts/ti/omap/am437x-l4.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/am437x-l4.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/am437x-l4.dtsi
Extension
.dtsi
Size
75511 bytes
Lines
2577
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

&l4_wkup {						/* 0x44c00000 */
	compatible = "ti,am4-l4-wkup", "simple-pm-bus";
	power-domains = <&prm_wkup>;
	clocks = <&l4_wkup_clkctrl AM4_L4_WKUP_L4_WKUP_CLKCTRL 0>;
	clock-names = "fck";
	reg = <0x44c00000 0x800>,
	      <0x44c00800 0x800>,
	      <0x44c01000 0x400>,
	      <0x44c01400 0x400>;
	reg-names = "ap", "la", "ia0", "ia1";
	#address-cells = <1>;
	#size-cells = <1>;
	ranges = <0x00000000 0x44c00000 0x100000>,	/* segment 0 */
		 <0x00100000 0x44d00000 0x100000>,	/* segment 1 */
		 <0x00200000 0x44e00000 0x100000>;	/* segment 2 */

	segment@0 {					/* 0x44c00000 */
		compatible = "simple-pm-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x00000000 0x00000000 0x000800>,	/* ap 0 */
			 <0x00000800 0x00000800 0x000800>,	/* ap 1 */
			 <0x00001000 0x00001000 0x000400>,	/* ap 2 */
			 <0x00001400 0x00001400 0x000400>;	/* ap 3 */
	};

	segment@100000 {					/* 0x44d00000 */
		compatible = "simple-pm-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x00000000 0x00100000 0x004000>,	/* ap 4 */
			 <0x00004000 0x00104000 0x001000>,	/* ap 5 */
			 <0x00080000 0x00180000 0x002000>,	/* ap 6 */
			 <0x00082000 0x00182000 0x001000>,	/* ap 7 */
			 <0x000f0000 0x001f0000 0x010000>;	/* ap 8 */

		target-module@0 {			/* 0x44d00000, ap 4 28.0 */
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0x0 0x4>;
			reg-names = "rev";
			clocks = <&l4_wkup_aon_clkctrl AM4_L4_WKUP_AON_WKUP_M3_CLKCTRL 0>;
			clock-names = "fck";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x00000000 0x00000000 0x4000>,
				 <0x00080000 0x00080000 0x2000>;

			wkup_m3: cpu@0 {
				compatible = "ti,am4372-wkup-m3";
				reg = <0x00000000 0x4000>,
				      <0x00080000 0x2000>;
				reg-names = "umem", "dmem";
				resets = <&prm_wkup 3>;
				reset-names = "rstctrl";
				ti,pm-firmware = "am335x-pm-firmware.elf";
			};
		};

		target-module@f0000 {			/* 0x44df0000, ap 8 58.0 */
			compatible = "ti,sysc-omap4", "ti,sysc";
			reg = <0xf0000 0x4>;
			reg-names = "rev";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0xf0000 0x10000>;

			prcm: prcm@0 {
				compatible = "ti,am4-prcm", "simple-bus";
				reg = <0x0 0x11000>;
				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;

Annotation

Implementation Notes