diff options
Diffstat (limited to 'arch/arm/boot/dts/nspire.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/nspire.dtsi | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nspire.dtsi b/arch/arm/boot/dts/nspire.dtsi new file mode 100644 index 000000000..90e033d91 --- /dev/null +++ b/arch/arm/boot/dts/nspire.dtsi @@ -0,0 +1,203 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/boot/nspire.dtsi + * + * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&intc>; + + cpus { + cpu@0 { + compatible = "arm,arm926ej-s"; + }; + }; + + bootrom: bootrom@0 { + reg = <0x00000000 0x80000>; + }; + + sram: sram@A4000000 { + device = "memory"; + reg = <0xA4000000 0x20000>; + }; + + timer_clk: timer_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + base_clk: base_clk { + #clock-cells = <0>; + reg = <0x900B0024 0x4>; + }; + + ahb_clk: ahb_clk { + #clock-cells = <0>; + reg = <0x900B0024 0x4>; + clocks = <&base_clk>; + }; + + apb_pclk: apb_pclk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clock-div = <2>; + clock-mult = <1>; + clocks = <&ahb_clk>; + }; + + usb_phy: usb_phy { + compatible = "usb-nop-xceiv"; + #phy-cells = <0>; + }; + + vbus_reg: vbus_reg { + compatible = "regulator-fixed"; + + regulator-name = "USB VBUS output"; + regulator-type = "voltage"; + + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + spi: spi@A9000000 { + reg = <0xA9000000 0x1000>; + }; + + usb0: usb@B0000000 { + compatible = "lsi,zevio-usb"; + reg = <0xB0000000 0x1000>; + interrupts = <8>; + + usb-phy = <&usb_phy>; + vbus-supply = <&vbus_reg>; + }; + + usb1: usb@B4000000 { + reg = <0xB4000000 0x1000>; + interrupts = <9>; + status = "disabled"; + }; + + lcd: lcd@C0000000 { + compatible = "arm,pl111", "arm,primecell"; + reg = <0xC0000000 0x1000>; + interrupts = <21>; + + /* + * We assume the same clock is fed to APB and CLCDCLK. + * There is some code to scale the clock down by a factor + * 48 for the display so likely the frequency to the + * display is 1MHz and the CLCDCLK is 48 MHz. + */ + clocks = <&apb_pclk>, <&apb_pclk>; + clock-names = "clcdclk", "apb_pclk"; + }; + + adc: adc@C4000000 { + reg = <0xC4000000 0x1000>; + interrupts = <11>; + }; + + tdes: crypto@C8010000 { + reg = <0xC8010000 0x1000>; + }; + + sha256: crypto@CC000000 { + reg = <0xCC000000 0x1000>; + }; + + apb@90000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + clock-ranges; + ranges; + + gpio: gpio@90000000 { + compatible = "lsi,zevio-gpio"; + reg = <0x90000000 0x1000>; + interrupts = <7>; + gpio-controller; + #gpio-cells = <2>; + }; + + fast_timer: timer@90010000 { + reg = <0x90010000 0x1000>; + interrupts = <17>; + }; + + uart: serial@90020000 { + reg = <0x90020000 0x1000>; + interrupts = <1>; + }; + + timer0: timer@900C0000 { + reg = <0x900C0000 0x1000>; + clocks = <&timer_clk>, <&timer_clk>, + <&timer_clk>; + clock-names = "timer0clk", "timer1clk", + "apb_pclk"; + }; + + timer1: timer@900D0000 { + reg = <0x900D0000 0x1000>; + interrupts = <19>; + clocks = <&timer_clk>, <&timer_clk>, + <&timer_clk>; + clock-names = "timer0clk", "timer1clk", + "apb_pclk"; + }; + + watchdog: watchdog@90060000 { + compatible = "arm,amba-primecell"; + reg = <0x90060000 0x1000>; + interrupts = <3>; + }; + + rtc: rtc@90090000 { + reg = <0x90090000 0x1000>; + interrupts = <4>; + }; + + misc: misc@900A0000 { + reg = <0x900A0000 0x1000>; + }; + + pwr: pwr@900B0000 { + reg = <0x900B0000 0x1000>; + interrupts = <15>; + }; + + keypad: input@900E0000 { + compatible = "ti,nspire-keypad"; + reg = <0x900E0000 0x1000>; + interrupts = <16>; + + scan-interval = <1000>; + row-delay = <200>; + + clocks = <&apb_pclk>; + }; + + contrast: contrast@900F0000 { + reg = <0x900F0000 0x1000>; + }; + + led: led@90110000 { + reg = <0x90110000 0x1000>; + }; + }; + }; +}; |