From 451f2334f09c4387dcd51a628eda534ed7f66d2a Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 9 Oct 2014 22:10:35 +0200 Subject: ARM: nomadik: device tree for NHK15 board This adds a device tree for the Nomadik NHK15 development kit board. Signed-off-by: Linus Walleij --- .../devicetree/bindings/arm/ste-nomadik.txt | 6 + arch/arm/boot/dts/Makefile | 3 +- arch/arm/boot/dts/ste-nomadik-nhk15.dts | 151 +++++++++++++++++++++ arch/arm/mach-nomadik/cpu-8815.c | 1 + 4 files changed, 160 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boot/dts/ste-nomadik-nhk15.dts diff --git a/Documentation/devicetree/bindings/arm/ste-nomadik.txt b/Documentation/devicetree/bindings/arm/ste-nomadik.txt index 6256ec31666d..2fdff5a806cf 100644 --- a/Documentation/devicetree/bindings/arm/ste-nomadik.txt +++ b/Documentation/devicetree/bindings/arm/ste-nomadik.txt @@ -10,6 +10,12 @@ Required root node property: src Boards with the Nomadik SoC include: +Nomadik NHK-15 board manufactured by ST Microelectronics: + +Required root node property: + +compatible="st,nomadik-nhk-15"; + S8815 "MiniKit" manufactured by Calao Systems: Required root node property: diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 38c89cafa1ab..50bb73ec2b7d 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -274,7 +274,8 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ imx28-m28evk.dtb \ imx28-sps1.dtb \ imx28-tx28.dtb -dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb +dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb \ + ste-nomadik-nhk15.dtb dtb-$(CONFIG_ARCH_NSPIRE) += nspire-cx.dtb \ nspire-tp.dtb \ nspire-clp.dtb diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts new file mode 100644 index 000000000000..a8c00ee7522a --- /dev/null +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -0,0 +1,151 @@ +/* + * Device Tree for the ST-Ericsson Nomadik S8815 board + * Produced by Calao Systems + */ + +/dts-v1/; +#include +#include +#include "ste-nomadik-stn8815.dtsi" + +/ { + model = "Nomadik STN8815NHK"; + compatible = "st,nomadik-nhk-15"; + + chosen { + bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; + }; + + aliases { + stmpe-i2c0 = &stmpe0; + stmpe-i2c1 = &stmpe1; + }; + + pinctrl { + stmpe2401_1 { + stmpe2401_1_nhk_mode: stmpe2401_1_nhk { + nhk_cfg1 { + ste,pins = "GPIO76_B20"; // IRQ line + ste,input = <0>; + }; + nhk_cfg2 { + ste,pins = "GPIO77_B8"; // reset line + ste,output = <1>; + }; + }; + }; + stmpe2401_2 { + stmpe2401_2_nhk_mode: stmpe2401_2_nhk { + nhk_cfg1 { + ste,pins = "GPIO78_A8"; // IRQ line + ste,input = <0>; + }; + nhk_cfg2 { + ste,pins = "GPIO79_C9"; // reset line + ste,output = <1>; + }; + }; + }; + }; + + src@101e0000 { + /* These chrystal outputs are not used on this board */ + disable-sxtalo; + disable-mxtalo; + }; + + /* This is where the interrupt is routed on the NHK-15 debug board */ + external-bus@34000000 { + compatible = "simple-bus"; + reg = <0x34000000 0x1000000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x34000000 0x1000000>; + ethernet@300 { + compatible = "smsc,lan91c111"; + reg = <0x300 0x0fd00>; + reg-io-width = <2>; + reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&stmpe_gpio44>; + interrupts = <11 IRQ_TYPE_EDGE_RISING>; + }; + }; + + i2c0 { + stmpe0: stmpe2401@43 { + compatible = "st,stmpe2401"; + reg = <0x43>; + reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77 + interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76 + interrupt-parent = <&gpio2>; + interrupt-controller; + wakeup-source; + pinctrl-names = "default"; + pinctrl-0 = <&stmpe2401_1_nhk_mode>; + stmpe_gpio43: stmpe_gpio { + compatible = "st,stmpe-gpio"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + /* Some pins in alternate functions */ + st,norequest-mask = <0xf0f002>; + }; + stmpe_keypad { + compatible = "st,stmpe-keypad"; + debounce-interval = <64>; + st,scan-count = <8>; + st,no-autorepeat; + keypad,num-rows = <8>; + keypad,num-columns = <8>; + linux,keymap = <0x00020072 // Vol down + 0x00030073 // Vol up + 0x0100009e // Back + 0x010100e3 // TV out + 0x01020098 // Lock + 0x0103013b // Start + 0x020000a3 // Next + 0x020100a4 // Play + 0x020200a5 // Prev + 0x02030160 // OK + 0x03000069 // Left + 0x0301006a // Right + 0x03020067 // Up + 0x0303006c>; // Down + }; + }; + stmpe1: stmpe2401@44 { + compatible = "st,stmpe2401"; + reg = <0x44>; + reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79 + interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78 + interrupt-parent = <&gpio2>; + interrupt-controller; + wakeup-source; + pinctrl-names = "default"; + pinctrl-0 = <&stmpe2401_2_nhk_mode>; + stmpe_gpio44: stmpe_gpio { + compatible = "st,stmpe-gpio"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + }; + + amba { + mmcsd: sdi@101f6000 { + cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>; + wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>; + }; + }; + + /* Custom board node with GPIO pins to active etc */ + usb-s8815 { + /* This will turn off SATA so that MMC/SD can thrive */ + mmcsd-gpio { + gpios = <&stmpe_gpio44 2 0x1>; + }; + }; +}; diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 9116ca476d7c..9bda46f1fab7 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -144,6 +144,7 @@ static int __init cpu8815_mmcsd_init(void) device_initcall(cpu8815_mmcsd_init); static const char * cpu8815_board_compat[] = { + "st,nomadik-nhk-15", "calaosystems,usb-s8815", NULL, }; -- cgit v1.2.3