Initial commit; kernel source import

This commit is contained in:
Nathan
2025-04-06 23:50:55 -05:00
commit 25c6d769f4
45093 changed files with 18199410 additions and 0 deletions

View File

@@ -0,0 +1,4 @@
Altera JTAG UART
Required properties:
- compatible : should be "ALTR,juart-1.0"

View File

@@ -0,0 +1,7 @@
Altera UART
Required properties:
- compatible : should be "ALTR,uart-1.0"
Optional properties:
- clock-frequency : frequency of the clock input to the UART

View File

@@ -0,0 +1,19 @@
* Universal Asynchronous Receiver/Transmitter (UART)
- compatible: "cavium,octeon-3860-uart"
Compatibility with all cn3XXX, cn5XXX and cn6XXX SOCs.
- reg: The base address of the UART register bank.
- interrupts: A single interrupt specifier.
- current-speed: Optional, the current bit rate in bits per second.
Example:
uart1: serial@1180000000c00 {
compatible = "cavium,octeon-3860-uart","ns16550";
reg = <0x11800 0x00000c00 0x0 0x400>;
current-speed = <115200>;
interrupts = <0 35>;
};

View File

@@ -0,0 +1,35 @@
* Freescale i.MX UART controller
Required properties:
- compatible : should be "fsl,imx21-uart"
- reg : Address and length of the register set for the device
- interrupts : Should contain UART interrupt number
Optional properties:
- fsl,uart-has-rtscts: indicate that RTS/CTS signals are used
Note: Each uart controller should have an alias correctly numbered
in "aliases" node.
Example:
- From imx51.dtsi:
aliases {
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
};
uart1: serial@73fbc000 {
compatible = "fsl,imx51-uart", "fsl,imx21-uart";
reg = <0x73fbc000 0x4000>;
interrupts = <31>;
status = "disabled";
}
- From imx51-babbage.dts:
uart1: serial@73fbc000 {
fsl,uart-has-rtscts;
status = "okay";
};

View File

@@ -0,0 +1,16 @@
Lantiq SoC ASC serial controller
Required properties:
- compatible : Should be "lantiq,asc"
- reg : Address and length of the register set for the device
- interrupts: the 3 (tx rx err) interrupt numbers. The interrupt specifier
depends on the interrupt-parent interrupt controller.
Example:
asc1: serial@E100C00 {
compatible = "lantiq,asc";
reg = <0xE100C00 0x400>;
interrupt-parent = <&icu0>;
interrupts = <112 113 114>;
};

View File

@@ -0,0 +1,4 @@
PXA UART controller
Required properties:
- compatible : should be "mrvl,mmp-uart" or "mrvl,pxa-uart".

View File

@@ -0,0 +1,24 @@
NVIDIA Tegra20/Tegra30 high speed (DMA based) UART controller driver.
Required properties:
- compatible : should be "nvidia,tegra30-hsuart", "nvidia,tegra20-hsuart".
- reg: Should contain UART controller registers location and length.
- interrupts: Should contain UART controller interrupts.
- nvidia,dma-request-selector : The Tegra DMA controller's phandle and
request selector for this UART controller.
Optional properties:
- nvidia,enable-modem-interrupt: Enable modem interrupts. Should be enable
only if all 8 lines of UART controller are pinmuxed.
Example:
serial@70006000 {
compatible = "nvidia,tegra30-hsuart", "nvidia,tegra20-hsuart";
reg = <0x70006000 0x40>;
reg-shift = <2>;
interrupts = <0 36 0x04>;
nvidia,dma-request-selector = <&apbdma 8>;
nvidia,enable-modem-interrupt;
status = "disabled";
};

View File

@@ -0,0 +1,10 @@
OMAP UART controller
Required properties:
- compatible : should be "ti,omap2-uart" for OMAP2 controllers
- compatible : should be "ti,omap3-uart" for OMAP3 controllers
- compatible : should be "ti,omap4-uart" for OMAP4 controllers
- ti,hwmods : Must be "uart<n>", n being the instance number (1-based)
Optional properties:
- clock-frequency : frequency of the clock input to the UART

View File

@@ -0,0 +1,17 @@
* ARM AMBA Primecell PL011 serial UART
Required properties:
- compatible: must be "arm,primecell", "arm,pl011"
- reg: exactly one register range with length 0x1000
- interrupts: exactly one interrupt specifier
Optional properties:
- pinctrl: When present, must have one state named "sleep"
and one state named "default"
- clocks: When present, must refer to exactly one clock named
"apb_pclk"
- dmas: When present, may have one or two dma channels.
The first one must be named "rx", the second one
must be named "tx".
See also bindings/arm/primecell.txt

View File

@@ -0,0 +1,31 @@
* RS485 serial communications
The RTS signal is capable of automatically controlling line direction for
the built-in half-duplex mode.
The properties described hereafter shall be given to a half-duplex capable
UART node.
Required properties:
- rs485-rts-delay: prop-encoded-array <a b> where:
* a is the delay beteween rts signal and beginning of data sent in milliseconds.
it corresponds to the delay before sending data.
* b is the delay between end of data sent and rts signal in milliseconds
it corresponds to the delay after sending data and actual release of the line.
Optional properties:
- linux,rs485-enabled-at-boot-time: empty property telling to enable the rs485
feature at boot time. It can be disabled later with proper ioctl.
- rs485-rx-during-tx: empty property that enables the receiving of data even
whilst sending data.
RS485 example for Atmel USART:
usart0: serial@fff8c000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xfff8c000 0x4000>;
interrupts = <7>;
atmel,use-dma-rx;
atmel,use-dma-tx;
linux,rs485-enabled-at-boot-time;
rs485-rts-delay = <0 200>; // in milliseconds
};

View File

@@ -0,0 +1,14 @@
* Samsung's UART Controller
The Samsung's UART controller is used for interfacing SoC with serial communicaion
devices.
Required properties:
- compatible: should be
- "samsung,exynos4210-uart", for UART's compatible with Exynos4210 uart ports.
- reg: base physical address of the controller and length of memory mapped
region.
- interrupts: interrupt number to the cpu. The interrupt specifier format depends
on the interrupt controller parent.