openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: Add base DT for NXP LPC18xx 

NXP LPC18xx/43xx SoCs are very similar devices and should be able to
share a common base (lpc18xx.dtsi). Diffences between the devices are
put in a dtsi which is specific to that device.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Joachim Eastwood 2015-05-12 00:00:50 +02:00 committed by Arnd Bergmann
parent ca9341d470
commit 804a5dd6ed
1 changed files with 114 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
arch/arm/boot/dts/lpc18xx.dtsi Normal file
View File

@ -0,0 +1,114 @@
/*
* Common base for NXP LPC18xx and LPC43xx devices.
*
* Copyright 2015 Joachim Eastwood <manabian@gmail.com>
*
* This code is released using a dual license strategy: BSD/GPL
* You can choose the licence that better fits your requirements.
*
* Released under the terms of 3-clause BSD License
* Released under the terms of GNU General Public License Version 2.0
*
*/
#include "armv7-m.dtsi"
/ {
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "arm,cortex-m3";
device_type = "cpu";
reg = <0x0>;
};
};
clocks {
xtal: xtal {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <12000000>;
};
/* Temporary hardcode PLL1 until clk drivers are merged */
pll1: pll1 {
compatible = "fixed-factor-clock";
clocks = <&xtal>;
#clock-cells = <0>;
clock-div = <1>;
clock-mult = <12>;
};
};
soc {
uart0: serial@40081000 {
compatible = "ns16550a";
reg = <0x40081000 0x1000>;
reg-shift = <2>;
interrupts = <24>;
clocks = <&pll1>;
status = "disabled";
};
uart1: serial@40082000 {
compatible = "ns16550a";
reg = <0x40082000 0x1000>;
reg-shift = <2>;
interrupts = <25>;
clocks = <&pll1>;
status = "disabled";
};
timer0: timer@40084000 {
compatible = "nxp,lpc3220-timer";
reg = <0x40084000 0x1000>;
interrupts = <12>;
clocks = <&pll1>;
clock-names = "timerclk";
};
timer1: timer@40085000 {
compatible = "nxp,lpc3220-timer";
reg = <0x40085000 0x1000>;
interrupts = <13>;
clocks = <&pll1>;
clock-names = "timerclk";
};
uart2: serial@400c1000 {
compatible = "ns16550a";
reg = <0x400c1000 0x1000>;
reg-shift = <2>;
interrupts = <26>;
clocks = <&pll1>;
status = "disabled";
};
uart3: serial@400c2000 {
compatible = "ns16550a";
reg = <0x400c2000 0x1000>;
reg-shift = <2>;
interrupts = <27>;
clocks = <&pll1>;
status = "disabled";
};
timer2: timer@400c3000 {
compatible = "nxp,lpc3220-timer";
reg = <0x400c3000 0x1000>;
interrupts = <14>;
clocks = <&pll1>;
clock-names = "timerclk";
};
timer3: timer@400c4000 {
compatible = "nxp,lpc3220-timer";
reg = <0x400c4000 0x1000>;
interrupts = <15>;
clocks = <&pll1>;
clock-names = "timerclk";
};
};
};