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author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2013-09-17 21:08:42 +0200 |
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committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2013-12-16 17:51:34 +0100 |
commit | ef43eff3447f30b4a3cfc61813902c2e57c20245 (patch) | |
tree | a12f96135be84a6b67638a5e9964abb059cc17a8 /arch/arm/boot | |
parent | 6d85e2b0b6bed6ae7070426d5e43174c593e075c (diff) | |
download | linux-ef43eff3447f30b4a3cfc61813902c2e57c20245.tar.bz2 |
ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/armv7-m.dtsi | 18 | ||||
-rw-r--r-- | arch/arm/boot/dts/efm32gg-dk3750.dts | 86 | ||||
-rw-r--r-- | arch/arm/boot/dts/efm32gg.dtsi | 172 |
4 files changed, 277 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index d57c1a65b24f..e4a0bea3c767 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -52,6 +52,7 @@ dtb-$(CONFIG_ARCH_DOVE) += dove-cm-a510.dtb \ dove-d2plug.dtb \ dove-d3plug.dtb \ dove-dove-db.dtb +dtb-$(CONFIG_ARCH_EFM32) += efm32gg-dk3750.dtb dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \ exynos4210-smdkv310.dtb \ exynos4210-trats.dtb \ diff --git a/arch/arm/boot/dts/armv7-m.dtsi b/arch/arm/boot/dts/armv7-m.dtsi new file mode 100644 index 000000000000..5a660d0faf42 --- /dev/null +++ b/arch/arm/boot/dts/armv7-m.dtsi @@ -0,0 +1,18 @@ +#include "skeleton.dtsi" + +/ { + nvic: nv-interrupt-controller { + compatible = "arm,armv7m-nvic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xe000e100 0xc00>; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&nvic>; + ranges; + }; +}; diff --git a/arch/arm/boot/dts/efm32gg-dk3750.dts b/arch/arm/boot/dts/efm32gg-dk3750.dts new file mode 100644 index 000000000000..aa5c0f6363d6 --- /dev/null +++ b/arch/arm/boot/dts/efm32gg-dk3750.dts @@ -0,0 +1,86 @@ +/* + * Device tree for EFM32GG-DK3750 development board. + * + * Documentation available from + * http://www.silabs.com/Support%20Documents/TechnicalDocs/efm32gg-dk3750-ug.pdf + */ + +/dts-v1/; +#include "efm32gg.dtsi" + +/ { + model = "Energy Micro Giant Gecko Development Kit"; + compatible = "efm32,dk3750"; + + chosen { + bootargs = "console=ttyefm4,115200 init=/linuxrc ignore_loglevel ihash_entries=64 dhash_entries=64 earlyprintk uclinux.physaddr=0x8c400000 root=/dev/mtdblock0"; + }; + + memory { + reg = <0x88000000 0x400000>; + }; + + soc { + adc@40002000 { + status = "ok"; + }; + + i2c@4000a000 { + location = <3>; + status = "ok"; + + temp@48 { + compatible = "st,stds75"; + reg = <0x48>; + }; + + eeprom@50 { + compatible = "microchip,24c02"; + reg = <0x50>; + pagesize = <16>; + }; + }; + + spi0: spi@4000c000 { /* USART0 */ + cs-gpios = <&gpio 68 1>; // E4 + location = <1>; + status = "ok"; + + microsd@0 { + compatible = "mmc-spi-slot"; + spi-max-frequency = <100000>; + voltage-ranges = <3200 3400>; + broken-cd; + reg = <0>; + }; + }; + + spi1: spi@4000c400 { /* USART1 */ + cs-gpios = <&gpio 51 1>; // D3 + location = <1>; + status = "ok"; + + ks8851@0 { + compatible = "ks8851"; + spi-max-frequency = <6000000>; + reg = <0>; + interrupt-parent = <&boardfpga>; + interrupts = <4>; + }; + }; + + uart4: uart@4000e400 { /* UART1 */ + location = <2>; + status = "ok"; + }; + + boardfpga: boardfpga { + compatible = "efm32board"; + reg = <0x80000000 0x400>; + irq-gpios = <&gpio 64 1>; + interrupt-controller; + #interrupt-cells = <1>; + status = "ok"; + }; + }; +}; diff --git a/arch/arm/boot/dts/efm32gg.dtsi b/arch/arm/boot/dts/efm32gg.dtsi new file mode 100644 index 000000000000..a342ab0e6e4f --- /dev/null +++ b/arch/arm/boot/dts/efm32gg.dtsi @@ -0,0 +1,172 @@ +/* + * Device tree for Energy Micro EFM32 Giant Gecko SoC. + * + * Documentation available from + * http://www.silabs.com/Support%20Documents/TechnicalDocs/EFM32GG-RM.pdf + */ +#include "armv7-m.dtsi" +#include "dt-bindings/clock/efm32-cmu.h" + +/ { + aliases { + i2c0 = &i2c0; + i2c1 = &i2c1; + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + spi0 = &spi0; + spi1 = &spi1; + spi2 = &spi2; + }; + + soc { + adc: adc@40002000 { + compatible = "efm32,adc"; + reg = <0x40002000 0x400>; + interrupts = <7>; + clocks = <&cmu clk_HFPERCLKADC0>; + status = "disabled"; + }; + + gpio: gpio@40006000 { + compatible = "efm32,gpio"; + reg = <0x40006000 0x1000>; + interrupts = <1 11>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <1>; + clocks = <&cmu clk_HFPERCLKGPIO>; + status = "ok"; + }; + + i2c0: i2c@4000a000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "efm32,i2c"; + reg = <0x4000a000 0x400>; + interrupts = <9>; + clocks = <&cmu clk_HFPERCLKI2C0>; + clock-frequency = <100000>; + status = "disabled"; + }; + + i2c1: i2c@4000a400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "efm32,i2c"; + reg = <0x4000a400 0x400>; + interrupts = <10>; + clocks = <&cmu clk_HFPERCLKI2C1>; + clock-frequency = <100000>; + status = "disabled"; + }; + + spi0: spi@4000c000 { /* USART0 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "efm32,spi"; + reg = <0x4000c000 0x400>; + interrupts = <3 4>; + clocks = <&cmu clk_HFPERCLKUSART0>; + status = "disabled"; + }; + + spi1: spi@4000c400 { /* USART1 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "efm32,spi"; + reg = <0x4000c400 0x400>; + interrupts = <15 16>; + clocks = <&cmu clk_HFPERCLKUSART1>; + status = "disabled"; + }; + + spi2: spi@40x4000c800 { /* USART2 */ + #address-cells = <1>; + #size-cells = <0>; + compatible = "efm32,spi"; + reg = <0x4000c800 0x400>; + interrupts = <18 19>; + clocks = <&cmu clk_HFPERCLKUSART2>; + status = "disabled"; + }; + + uart0: uart@4000c000 { /* USART0 */ + compatible = "efm32,uart"; + reg = <0x4000c000 0x400>; + interrupts = <3 4>; + clocks = <&cmu clk_HFPERCLKUSART0>; + status = "disabled"; + }; + + uart1: uart@4000c400 { /* USART1 */ + compatible = "efm32,uart"; + reg = <0x4000c400 0x400>; + interrupts = <15 16>; + clocks = <&cmu clk_HFPERCLKUSART1>; + status = "disabled"; + }; + + uart2: uart@40x4000c800 { /* USART2 */ + compatible = "efm32,uart"; + reg = <0x4000c800 0x400>; + interrupts = <18 19>; + clocks = <&cmu clk_HFPERCLKUSART2>; + status = "disabled"; + }; + + uart3: uart@4000e000 { /* UART0 */ + compatible = "efm32,uart"; + reg = <0x4000e000 0x400>; + interrupts = <20 21>; + clocks = <&cmu clk_HFPERCLKUART0>; + status = "disabled"; + }; + + uart4: uart@4000e400 { /* UART1 */ + compatible = "efm32,uart"; + reg = <0x4000e400 0x400>; + interrupts = <22 23>; + clocks = <&cmu clk_HFPERCLKUART1>; + status = "disabled"; + }; + + timer0: timer@40010000 { + compatible = "efm32,timer"; + reg = <0x40010000 0x400>; + interrupts = <2>; + clocks = <&cmu clk_HFPERCLKTIMER0>; + }; + + timer1: timer@40010400 { + compatible = "efm32,timer"; + reg = <0x40010400 0x400>; + interrupts = <12>; + clocks = <&cmu clk_HFPERCLKTIMER1>; + }; + + timer2: timer@40010800 { + compatible = "efm32,timer"; + reg = <0x40010800 0x400>; + interrupts = <13>; + clocks = <&cmu clk_HFPERCLKTIMER2>; + }; + + timer3: timer@40010c00 { + compatible = "efm32,timer"; + reg = <0x40010c00 0x400>; + interrupts = <14>; + clocks = <&cmu clk_HFPERCLKTIMER3>; + }; + + cmu: cmu@400c8000 { + compatible = "efm32gg,cmu"; + reg = <0x400c8000 0x400>; + interrupts = <32>; + #clock-cells = <1>; + }; + }; +}; |