ARM: nomadik: device tree for NHK15 board

This adds a device tree for the Nomadik NHK15 development kit
board.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 160 insertions, 1 deletions

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 <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
+#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,
 };