arch/arm/boot/dts/ti/omap/omap-zoom-common.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap-zoom-common.dtsi
Extension
.dtsi
Size
2438 bytes
Lines
93
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

// SPDX-License-Identifier: GPL-2.0
/*
 * Common features on the Zoom debug board
 */

#include "omap-gpmc-smsc911x.dtsi"

&gpmc {
	ranges = <3 0 0x10000000 0x1000000>,	/* CS3: 16MB for UART */
		 <7 0 0x2c000000 0x01000000>;

	/*
	 * Four port TL16CP754C serial port on GPMC,
	 * they probably share the same GPIO IRQ
	 * REVISIT: Add timing support from slls644g.pdf
	 */
	serial@3,0 {
		compatible = "ns16550a";
		reg = <3 0 8>;	/* CS3, offset 0, IO size 8 */
		bank-width = <2>;
		reg-shift = <1>;
		reg-io-width = <1>;
		interrupt-parent = <&gpio4>;
		interrupts = <6 IRQ_TYPE_EDGE_RISING>;	/* gpio102 */
		clock-frequency = <1843200>;
		current-speed = <115200>;
		gpmc,mux-add-data = <0>;
		gpmc,device-width = <1>;
		gpmc,wait-pin = <1>;
		gpmc,cycle2cycle-samecsen;
		gpmc,cycle2cycle-diffcsen;
		gpmc,cs-on-ns = <5>;
		gpmc,cs-rd-off-ns = <155>;
		gpmc,cs-wr-off-ns = <155>;
		gpmc,adv-on-ns = <15>;
		gpmc,adv-rd-off-ns = <40>;
		gpmc,adv-wr-off-ns = <40>;
		gpmc,oe-on-ns = <45>;
		gpmc,oe-off-ns = <145>;
		gpmc,we-on-ns = <45>;
		gpmc,we-off-ns = <145>;
		gpmc,rd-cycle-ns = <155>;
		gpmc,wr-cycle-ns = <155>;
		gpmc,access-ns = <145>;
		gpmc,page-burst-access-ns = <20>;
		gpmc,bus-turnaround-ns = <20>;
		gpmc,cycle2cycle-delay-ns = <20>;
		gpmc,wait-monitoring-ns = <0>;
		gpmc,clk-activation-ns = <0>;
		gpmc,wr-data-mux-bus-ns = <45>;
		gpmc,wr-access-ns = <145>;
	};
	serial@3,1 {
		compatible = "ns16550a";
		reg = <3 0x100 8>;	/* CS3, offset 0x100, IO size 8 */
		bank-width = <2>;
		reg-shift = <1>;
		reg-io-width = <1>;
		interrupt-parent = <&gpio4>;
		interrupts = <6 IRQ_TYPE_EDGE_RISING>;	/* gpio102 */
		clock-frequency = <1843200>;
		current-speed = <115200>;
	};
	serial@3,2 {
		compatible = "ns16550a";
		reg = <3 0x200 8>;	/* CS3, offset 0x200, IO size 8 */
		bank-width = <2>;
		reg-shift = <1>;
		reg-io-width = <1>;
		interrupt-parent = <&gpio4>;

Annotation

Implementation Notes