From: Daniel Tang Date: Tue, 11 Jun 2013 08:40:18 +0000 (+1000) Subject: arm: Add device trees for TI-Nspire hardware X-Git-Tag: firefly_0821_release~176^2~5836^2~7^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d907849e0dbaeacb34e0a6a3b49ebeaf8c49355e;p=firefly-linux-kernel-4.4.55.git arm: Add device trees for TI-Nspire hardware This patch adds device trees for describing the TI-Nspire hardware. Changes between v1 and v2: * Change "keymap" binding to the standard "linux,keymap" binding. Signed-off-by: Daniel Tang Signed-off-by: Arnd Bergmann --- diff --git a/Documentation/devicetree/bindings/arm/nspire.txt b/Documentation/devicetree/bindings/arm/nspire.txt new file mode 100644 index 000000000000..4d08518bd176 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/nspire.txt @@ -0,0 +1,14 @@ +TI-NSPIRE calculators + +Required properties: +- compatible: Compatible property value should contain "ti,nspire". + CX models should have "ti,nspire-cx" + Touchpad models should have "ti,nspire-tp" + Clickpad models should have "ti,nspire-clp" + +Example: + +/ { + model = "TI-NSPIRE CX"; + compatible = "ti,nspire-cx"; + ... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 6931c4348d24..b27b057c5c4f 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -31,6 +31,7 @@ idt Integrated Device Technologies, Inc. img Imagination Technologies Ltd. intercontrol Inter Control Group linux Linux-specific binding +lsi LSI Corp. (LSI Logic) marvell Marvell Technology Group Ltd. maxim Maxim Integrated Products mosaixtech Mosaix Technologies, Inc. diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f0895c581a89..6191b1d84e9f 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -135,6 +135,9 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ imx28-sps1.dtb \ imx28-tx28.dtb dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb +dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \ + nspire-tp.dtb \ + nspire-clp.dtb dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ omap3430-sdp.dtb \ omap3-beagle.dtb \ diff --git a/arch/arm/boot/dts/nspire-classic.dtsi b/arch/arm/boot/dts/nspire-classic.dtsi new file mode 100644 index 000000000000..9565199bce7a --- /dev/null +++ b/arch/arm/boot/dts/nspire-classic.dtsi @@ -0,0 +1,74 @@ +/* + * linux/arch/arm/boot/nspire-classic.dts + * + * Copyright (C) 2013 Daniel Tang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ + +/include/ "nspire.dtsi" + +&lcd { + lcd-type = "classic"; +}; + +&fast_timer { + /* compatible = "lsi,zevio-timer"; */ + reg = <0x90010000 0x1000>, <0x900A0010 0x8>; +}; + +&uart { + compatible = "ns16550"; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&apb_pclk>; + no-loopback-test; +}; + +&timer0 { + /* compatible = "lsi,zevio-timer"; */ + reg = <0x900C0000 0x1000>, <0x900A0018 0x8>; +}; + +&timer1 { + compatible = "lsi,zevio-timer"; + reg = <0x900D0000 0x1000>, <0x900A0020 0x8>; +}; + +&keypad { + active-low; + +}; + +&base_clk { + compatible = "lsi,nspire-classic-clock"; +}; + +&ahb_clk { + compatible = "lsi,nspire-classic-ahb-divider"; +}; + +/ { + memory { + device_type = "memory"; + reg = <0x10000000 0x2000000>; /* 32 MB */ + }; + + ahb { + #address-cells = <1>; + #size-cells = <1>; + + intc: interrupt-controller@DC000000 { + compatible = "lsi,zevio-intc"; + interrupt-controller; + reg = <0xDC000000 0x1000>; + #interrupt-cells = <1>; + }; + }; + chosen { + bootargs = "debug earlyprintk console=tty0 console=ttyS0,115200n8 root=/dev/ram0"; + }; +}; diff --git a/arch/arm/boot/dts/nspire-clp.dts b/arch/arm/boot/dts/nspire-clp.dts new file mode 100644 index 000000000000..fa5a044656de --- /dev/null +++ b/arch/arm/boot/dts/nspire-clp.dts @@ -0,0 +1,45 @@ +/* + * linux/arch/arm/boot/nspire-clp.dts + * + * Copyright (C) 2013 Daniel Tang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ +/dts-v1/; + +/include/ "nspire-classic.dtsi" + +&keypad { + linux,keymap = < + 0x0000001c 0x0001001c 0x00020039 + 0x0004002c 0x00050034 0x00060015 + 0x0007000b 0x0008002d 0x01000033 + 0x0101004e 0x01020011 0x01030004 + 0x0104002f 0x01050003 0x01060016 + 0x01070002 0x01080014 0x02000062 + 0x0201000c 0x0202001f 0x02030007 + 0x02040013 0x02050006 0x02060010 + 0x02070005 0x02080019 0x03000027 + 0x03010037 0x03020018 0x0303000a + 0x03040031 0x03050009 0x03060032 + 0x03070008 0x03080026 0x04000028 + 0x04010035 0x04020025 0x04040024 + 0x04060017 0x04080023 0x05000028 + 0x05020022 0x0503001b 0x05040021 + 0x0505001a 0x05060012 0x0507006f + 0x05080020 0x0509002a 0x0601001c + 0x0602002e 0x06030068 0x06040030 + 0x0605006d 0x0606001e 0x06070001 + 0x0608002b 0x0609000f 0x07000067 + 0x0702006a 0x0704006c 0x07060069 + 0x0707000e 0x0708001d 0x070a000d + >; +}; + +/ { + model = "TI-NSPIRE Clickpad"; + compatible = "ti,nspire-clp"; +}; diff --git a/arch/arm/boot/dts/nspire-cx.dts b/arch/arm/boot/dts/nspire-cx.dts new file mode 100644 index 000000000000..375b924f60d8 --- /dev/null +++ b/arch/arm/boot/dts/nspire-cx.dts @@ -0,0 +1,112 @@ +/* + * linux/arch/arm/boot/nspire-cx.dts + * + * Copyright (C) 2013 Daniel Tang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ +/dts-v1/; + +/include/ "nspire.dtsi" + +&lcd { + lcd-type = "cx"; +}; + +&fast_timer { + /* compatible = "arm,sp804", "arm,primecell"; */ +}; + +&uart { + compatible = "arm,pl011", "arm,primecell"; + + clocks = <&uart_clk>, <&apb_pclk>; + clock-names = "uart_clk", "apb_pclk"; +}; + +&timer0 { + compatible = "arm,sp804", "arm,primecell"; +}; + +&timer1 { + compatible = "arm,sp804", "arm,primecell"; +}; + +&base_clk { + compatible = "lsi,nspire-cx-clock"; +}; + +&ahb_clk { + compatible = "lsi,nspire-cx-ahb-divider"; +}; + +&keypad { + linux,keymap = < + 0x0000001c 0x0001001c 0x00040039 + 0x0005002c 0x00060015 0x0007000b + 0x0008000f 0x0100002d 0x01010011 + 0x0102002f 0x01030004 0x01040016 + 0x01050014 0x0106001f 0x01070002 + 0x010a006a 0x02000013 0x02010010 + 0x02020019 0x02030007 0x02040018 + 0x02050031 0x02060032 0x02070005 + 0x02080028 0x0209006c 0x03000026 + 0x03010025 0x03020024 0x0303000a + 0x03040017 0x03050023 0x03060022 + 0x03070008 0x03080035 0x03090069 + 0x04000021 0x04010012 0x04020020 + 0x0404002e 0x04050030 0x0406001e + 0x0407000d 0x04080037 0x04090067 + 0x05010038 0x0502000c 0x0503001b + 0x05040034 0x0505001a 0x05060006 + 0x05080027 0x0509000e 0x050a006f + 0x0600002b 0x0602004e 0x06030068 + 0x06040003 0x0605006d 0x06060009 + 0x06070001 0x0609000f 0x0708002a + 0x0709001d 0x070a0033 >; +}; + +/ { + model = "TI-NSPIRE CX"; + compatible = "ti,nspire-cx"; + + memory { + device_type = "memory"; + reg = <0x10000000 0x4000000>; /* 64 MB */ + }; + + uart_clk: uart_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <12000000>; + }; + + ahb { + #address-cells = <1>; + #size-cells = <1>; + + intc: interrupt-controller@DC000000 { + compatible = "arm,pl190-vic"; + interrupt-controller; + reg = <0xDC000000 0x1000>; + #interrupt-cells = <1>; + }; + + apb@90000000 { + #address-cells = <1>; + #size-cells = <1>; + + i2c@90050000 { + compatible = "snps,designware-i2c"; + reg = <0x90050000 0x1000>; + interrupts = <20>; + }; + }; + }; + chosen { + bootargs = "debug earlyprintk console=tty0 console=ttyAMA0,115200n8 root=/dev/ram0"; + }; +}; diff --git a/arch/arm/boot/dts/nspire-tp.dts b/arch/arm/boot/dts/nspire-tp.dts new file mode 100644 index 000000000000..621391ce6ed6 --- /dev/null +++ b/arch/arm/boot/dts/nspire-tp.dts @@ -0,0 +1,44 @@ +/* + * linux/arch/arm/boot/nspire-tp.dts + * + * Copyright (C) 2013 Daniel Tang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ +/dts-v1/; + +/include/ "nspire-classic.dtsi" + +&keypad { + linux,keymap = < + 0x0000001c 0x0001001c 0x00040039 + 0x0005002c 0x00060015 0x0007000b + 0x0008000f 0x0100002d 0x01010011 + 0x0102002f 0x01030004 0x01040016 + 0x01050014 0x0106001f 0x01070002 + 0x010a006a 0x02000013 0x02010010 + 0x02020019 0x02030007 0x02040018 + 0x02050031 0x02060032 0x02070005 + 0x02080028 0x0209006c 0x03000026 + 0x03010025 0x03020024 0x0303000a + 0x03040017 0x03050023 0x03060022 + 0x03070008 0x03080035 0x03090069 + 0x04000021 0x04010012 0x04020020 + 0x0404002e 0x04050030 0x0406001e + 0x0407000d 0x04080037 0x04090067 + 0x05010038 0x0502000c 0x0503001b + 0x05040034 0x0505001a 0x05060006 + 0x05080027 0x0509000e 0x050a006f + 0x0600002b 0x0602004e 0x06030068 + 0x06040003 0x0605006d 0x06060009 + 0x06070001 0x0609000f 0x0708002a + 0x0709001d 0x070a0033 >; +}; + +/ { + model = "TI-NSPIRE Touchpad"; + compatible = "ti,nspire-tp"; +}; diff --git a/arch/arm/boot/dts/nspire.dtsi b/arch/arm/boot/dts/nspire.dtsi new file mode 100644 index 000000000000..a22ffe633b49 --- /dev/null +++ b/arch/arm/boot/dts/nspire.dtsi @@ -0,0 +1,175 @@ +/* + * linux/arch/arm/boot/nspire.dtsi + * + * Copyright (C) 2013 Daniel Tang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + */ + +/include/ "skeleton.dtsi" + +/ { + interrupt-parent = <&intc>; + + cpus { + cpu@0 { + compatible = "arm,arm926ejs"; + }; + }; + + bootrom: bootrom@00000000 { + 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>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + spi: spi@A9000000 { + reg = <0xA9000000 0x1000>; + }; + + usb0: usb@B0000000 { + reg = <0xB0000000 0x1000>; + interrupts = <8>; + }; + + usb1: usb@B4000000 { + reg = <0xB4000000 0x1000>; + interrupts = <9>; + status = "disabled"; + }; + + lcd: lcd@C0000000 { + compatible = "arm,pl111", "arm,primecell"; + reg = <0xC0000000 0x1000>; + interrupts = <21>; + + clocks = <&apb_pclk>; + clock-names = "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 { + reg = <0x90000000 0x1000>; + interrupts = <7>; + }; + + 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>; + }; + + timer1: timer@900D0000 { + reg = <0x900D0000 0x1000>; + interrupts = <19>; + + clocks = <&timer_clk>; + }; + + 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>; + }; + }; + }; +};