[PATCH V2 1/3] ARM: kirkwood: Basic support for DNS-320 and DNS-325
Jamie Lentin
jm at lentin.co.uk
Sat Mar 24 09:14:34 EDT 2012
Add support for the DNS-320 and DNS-325. Describe as much as currently possible
in the devicetree files, create a board-dnskw.c for everything else.
Signed-off-by: Jamie Lentin <jm at lentin.co.uk>
---
arch/arm/boot/dts/kirkwood-dns320.dts | 29 +++
arch/arm/boot/dts/kirkwood-dns325.dts | 24 +++
arch/arm/mach-kirkwood/Kconfig | 23 +++
arch/arm/mach-kirkwood/Makefile | 1 +
arch/arm/mach-kirkwood/Makefile.boot | 2 +
arch/arm/mach-kirkwood/board-dnskw.c | 306 +++++++++++++++++++++++++++++++++
arch/arm/mach-kirkwood/board-dt.c | 5 +
arch/arm/mach-kirkwood/common.h | 6 +
8 files changed, 396 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/kirkwood-dns320.dts
create mode 100644 arch/arm/boot/dts/kirkwood-dns325.dts
create mode 100644 arch/arm/mach-kirkwood/board-dnskw.c
diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts
new file mode 100644
index 0000000..58de7f2
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-dns320.dts
@@ -0,0 +1,29 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+ model = "D-Link DNS-320 NAS (Rev A1)";
+ compatible = "dlink,dns-320-a1", "dlink,dns-320", "dlink,dns-kirkwood", "mrvl,kirkwood-88f6281", "mrvl,kirkwood";
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x8000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 earlyprintk";
+ };
+
+ ocp at f1000000 {
+ serial at 12000 {
+ clock-frequency = <166666667>;
+ status = "ok";
+ };
+
+ serial at 12100 {
+ clock-frequency = <166666667>;
+ status = "ok";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts
new file mode 100644
index 0000000..79b1133
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-dns325.dts
@@ -0,0 +1,24 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+ model = "D-Link DNS-325 NAS (Rev A1)";
+ compatible = "dlink,dns-325-a1", "dlink,dns-325", "dlink,dns-kirkwood", "mrvl,kirkwood-88f6281", "mrvl,kirkwood";
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x10000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 earlyprintk";
+ };
+
+ ocp at f1000000 {
+ serial at 12000 {
+ clock-frequency = <200000000>;
+ status = "ok";
+ };
+ };
+};
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 90ceab7..d594b6e 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -58,6 +58,29 @@ config MACH_DREAMPLUG_DT
Say 'Y' here if you want your kernel to support the
Marvell DreamPlug (Flattened Device Tree).
+config MACH_DNSKW_DT
+ bool
+
+config MACH_DNS320_DT
+ bool "D-Link DNS-320 (Flattened Device Tree)"
+ select ARCH_KIRKWOOD_DT
+ select MACH_DNSKW_DT
+ select CONFIG_MTD_OF_PARTS
+ select CONFIG_SERIAL_OF_PLATFORM
+ help
+ Say 'Y' here if you want your kernel to support the
+ D-Link DNS-320 NAS, using Flattened Device Tree.
+
+config MACH_DNS325_DT
+ bool "D-Link DNS-325 (Flattened Device Tree)"
+ select ARCH_KIRKWOOD_DT
+ select MACH_DNSKW_DT
+ select CONFIG_MTD_OF_PARTS
+ select CONFIG_SERIAL_OF_PLATFORM
+ help
+ Say 'Y' here if you want your kernel to support the
+ D-Link DNS-325 NAS, using Flattened Device Tree.
+
config MACH_TS219
bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS"
help
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index e299a95..b092af5 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -22,3 +22,4 @@ obj-$(CONFIG_MACH_T5325) += t5325-setup.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_ARCH_KIRKWOOD_DT) += board-dt.o
obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o
+obj-$(CONFIG_MACH_DNSKW_DT) += board-dnskw.o
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
index 16f9385..9c5e45f 100644
--- a/arch/arm/mach-kirkwood/Makefile.boot
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -3,3 +3,5 @@ params_phys-y := 0x00000100
initrd_phys-y := 0x00800000
dtb-$(CONFIG_MACH_DREAMPLUG_DT) += kirkwood-dreamplug.dtb
+dtb-$(CONFIG_MACH_DNS320_DT) += kirkwood-dns320.dtb
+dtb-$(CONFIG_MACH_DNS325_DT) += kirkwood-dns325.dtb
diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c
new file mode 100644
index 0000000..7cb7f6a
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-dnskw.c
@@ -0,0 +1,306 @@
+/*
+ * Copyright 2012 (C), Jamie Lentin <jm at lentin.co.uk>
+ *
+ * arch/arm/mach-kirkwood/board-dnskw.c
+ *
+ * D-link DNS-320 & DNS-325 NAS Init for drivers not converted to
+ * flattened device tree yet.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/of.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio-fan.h>
+#include <linux/leds.h>
+#include <linux/mtd/physmap.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/kirkwood.h>
+#include <mach/bridge-regs.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mtd_partition dnskw_nand_parts[] = {
+ {
+ .name = "u-boot",
+ .offset = 0,
+ .size = SZ_1M,
+ .mask_flags = MTD_WRITEABLE
+ }, {
+ .name = "uImage",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 5 * SZ_1M
+ }, {
+ .name = "ramdisk",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 5 * SZ_1M
+ }, {
+ .name = "image",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 102 * SZ_1M
+ }, {
+ .name = "mini firmware",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 10 * SZ_1M
+ }, {
+ .name = "config",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 5 * SZ_1M
+ },
+};
+
+static struct mv643xx_eth_platform_data dnskw_ge00_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv_sata_platform_data dnskw_sata_data = {
+ .n_ports = 2,
+};
+
+static unsigned int dnskw_mpp_config[] __initdata = {
+ MPP13_UART1_TXD, /* Custom ... */
+ MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */
+ MPP20_SATA1_ACTn, /* LED: White Right HDD */
+ MPP21_SATA0_ACTn, /* LED: White Left HDD */
+ MPP24_GPIO,
+ MPP25_GPIO,
+ MPP26_GPIO, /* LED: Power */
+ MPP27_GPIO, /* LED: Red Right HDD */
+ MPP28_GPIO, /* LED: Red Left HDD */
+ MPP29_GPIO, /* LED: Red USB (DNS-325 only) */
+ MPP30_GPIO,
+ MPP31_GPIO,
+ MPP32_GPIO,
+ MPP33_GPO,
+ MPP34_GPIO, /* Button: Front power */
+ MPP35_GPIO, /* LED: Red USB (DNS-320 only) */
+ MPP36_GPIO, /* Power: Turn off board */
+ MPP37_GPIO, /* Power: Turn back on after power failure */
+ MPP38_GPIO,
+ MPP39_GPIO, /* Power: SATA0 */
+ MPP40_GPIO, /* Power: SATA1 */
+ MPP41_GPIO,
+ MPP42_GPIO,
+ MPP43_GPIO, /* LED: White USB */
+ MPP44_GPIO, /* Fan: Tachometer Pin */
+ MPP45_GPIO, /* Fan: high speed */
+ MPP46_GPIO, /* Fan: low speed */
+ MPP47_GPIO, /* Button: Back unmount */
+ MPP48_GPIO, /* Button: Back reset */
+ MPP49_GPIO, /* Pin of unused U5 (DNS-320 only) */
+ 0
+};
+
+static struct gpio_led dns325_led_pins[] = {
+ {
+ .name = "dns325:white:power",
+ .gpio = 26,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "dns325:white:usb",
+ .gpio = 43,
+ .active_low = 1,
+ },
+ {
+ .name = "dns325:red:l_hdd",
+ .gpio = 28,
+ .active_low = 1,
+ },
+ {
+ .name = "dns325:red:r_hdd",
+ .gpio = 27,
+ .active_low = 1,
+ },
+ {
+ .name = "dns325:red:usb",
+ .gpio = 29,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data dns325_led_data = {
+ .num_leds = ARRAY_SIZE(dns325_led_pins),
+ .leds = dns325_led_pins,
+};
+
+static struct platform_device dns325_led_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &dns325_led_data,
+ },
+};
+
+static struct gpio_led dns320_led_pins[] = {
+ {
+ .name = "dns320:blue:power",
+ .gpio = 26,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "dns320:blue:usb",
+ .gpio = 43,
+ .active_low = 1,
+ },
+ {
+ .name = "dns320:orange:l_hdd",
+ .gpio = 28,
+ .active_low = 1,
+ },
+ {
+ .name = "dns320:orange:r_hdd",
+ .gpio = 27,
+ .active_low = 1,
+ },
+ {
+ .name = "dns320:orange:usb",
+ .gpio = 35,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data dns320_led_data = {
+ .num_leds = ARRAY_SIZE(dns320_led_pins),
+ .leds = dns320_led_pins,
+};
+
+static struct platform_device dns320_led_device = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &dns320_led_data,
+ },
+};
+
+static struct i2c_board_info dns325_i2c_board_info[] __initdata = {
+ {
+ I2C_BOARD_INFO("lm75", 0x48),
+ },
+ /* Something at 0x0c also */
+};
+
+static struct gpio_keys_button dnskw_button_pins[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = 34,
+ .desc = "Power button",
+ .active_low = 1,
+ },
+ {
+ .code = KEY_EJECTCD,
+ .gpio = 47,
+ .desc = "USB unmount button",
+ .active_low = 1,
+ },
+ {
+ .code = KEY_RESTART,
+ .gpio = 48,
+ .desc = "Reset button",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data dnskw_button_data = {
+ .buttons = dnskw_button_pins,
+ .nbuttons = ARRAY_SIZE(dnskw_button_pins),
+};
+
+static struct platform_device dnskw_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &dnskw_button_data,
+ }
+};
+
+/* Fan: ADDA AD045HB-G73 40mm 6000rpm at 5v */
+static struct gpio_fan_speed dnskw_fan_speed[] = {
+ { 0, 0 },
+ { 3000, 1 },
+ { 6000, 2 },
+};
+static unsigned dnskw_fan_pins[] = {46, 45};
+
+static struct gpio_fan_platform_data dnskw_fan_data = {
+ .num_ctrl = ARRAY_SIZE(dnskw_fan_pins),
+ .ctrl = dnskw_fan_pins,
+ .num_speed = ARRAY_SIZE(dnskw_fan_speed),
+ .speed = dnskw_fan_speed,
+};
+
+static struct platform_device dnskw_fan_device = {
+ .name = "gpio-fan",
+ .id = -1,
+ .dev = {
+ .platform_data = &dnskw_fan_data,
+ },
+};
+
+static void dnskw_power_off(void)
+{
+ gpio_set_value(36, 1);
+}
+
+/* Register any GPIO for output and set the value */
+static void __init dnskw_gpio_register(unsigned gpio, char *name, int def)
+{
+ if (gpio_request(gpio, name) == 0 &&
+ gpio_direction_output(gpio, 0) == 0) {
+ gpio_set_value(gpio, def);
+ if (gpio_export(gpio, 0) != 0)
+ pr_err("dnskw: Failed to export GPIO %s\n", name);
+ } else
+ pr_err("dnskw: Failed to register %s\n", name);
+}
+
+void __init dnskw_init(void)
+{
+ kirkwood_mpp_conf(dnskw_mpp_config);
+ kirkwood_nand_init(ARRAY_AND_SIZE(dnskw_nand_parts), 25);
+
+ kirkwood_ehci_init();
+ kirkwood_ge00_init(&dnskw_ge00_data);
+ kirkwood_sata_init(&dnskw_sata_data);
+ kirkwood_i2c_init();
+
+ platform_device_register(&dnskw_button_device);
+ platform_device_register(&dnskw_fan_device);
+
+ if (of_machine_is_compatible("dlink,dns-325")) {
+ i2c_register_board_info(0, dns325_i2c_board_info,
+ ARRAY_SIZE(dns325_i2c_board_info));
+ platform_device_register(&dns325_led_device);
+
+ } else if (of_machine_is_compatible("dlink,dns-320"))
+ platform_device_register(&dns320_led_device);
+
+ /* Register power-off GPIO. */
+ if (gpio_request(36, "dnskw:power:off") == 0
+ && gpio_direction_output(36, 0) == 0)
+ pm_power_off = dnskw_power_off;
+ else
+ pr_err("dnskw: failed to configure power-off GPIO\n");
+
+ /* Ensure power is supplied to both HDDs */
+ dnskw_gpio_register(39, "dnskw:power:sata0", 1);
+ dnskw_gpio_register(40, "dnskw:power:sata1", 1);
+
+ /* Set NAS to turn back on after a power failure */
+ dnskw_gpio_register(37, "dnskw:power:recover", 1);
+}
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 1c672d9..eadc4d7 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -55,11 +55,16 @@ static void __init kirkwood_dt_init(void)
if (of_machine_is_compatible("globalscale,dreamplug"))
dreamplug_init();
+ if (of_machine_is_compatible("dlink,dns-kirkwood"))
+ dnskw_init();
+
of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL);
}
static const char *kirkwood_dt_board_compat[] = {
"globalscale,dreamplug",
+ "dlink,dns-320",
+ "dlink,dns-325",
NULL
};
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index fa8e768..8c8c733 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -58,6 +58,12 @@ void dreamplug_init(void);
static inline void dreamplug_init(void) {};
#endif
+#ifdef CONFIG_MACH_DNSKW_DT
+void dnskw_init(void);
+#else
+static inline void dnskw_init(void) {};
+#endif
+
/* early init functions not converted to fdt yet */
char *kirkwood_id(void);
void kirkwood_l2_init(void);
--
1.7.9.1
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