]> git.baikalelectronics.ru Git - kernel.git/commitdiff
ARM: Kirkwood: Add setup file for netxbig LEDs
authorAndrew Lunn <andrew@lunn.ch>
Mon, 26 May 2014 19:29:48 +0000 (21:29 +0200)
committerJason Cooper <jason@lakedaemon.net>
Fri, 20 Jun 2014 23:47:27 +0000 (23:47 +0000)
There is currently no DT binding for the CPLD which controls the LEDs
on the Net 2Big and Net 5Big. So use a platform device.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1401132591-26305-2-git-send-email-andrew@lunn.ch
Tested-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
arch/arm/mach-mvebu/Kconfig
arch/arm/mach-mvebu/Makefile
arch/arm/mach-mvebu/board.h
arch/arm/mach-mvebu/kirkwood.c
arch/arm/mach-mvebu/netxbig.c [new file with mode: 0644]

index 6090b9eb00c828ce44f9ed0c247803eade3a56b6..e5ab3a7cb3d24b28e931a8c320028399f6fa9bf6 100644 (file)
@@ -97,6 +97,13 @@ config MACH_KIRKWOOD
          Say 'Y' here if you want your kernel to support boards based
          on the Marvell Kirkwood device tree.
 
+config MACH_NETXBIG
+       bool "LaCie 2Big and 5Big Network v2"
+       depends on MACH_KIRKWOOD
+       help
+         Say 'Y' here if you want your kernel to support the
+         LaCie 2Big and 5Big Network v2
+
 endmenu
 
 endif
index 2ecb828e4a8bd223ef086a3787cd7980f557ab78..db29c1dfe3c5d364de6de828cb59139e84891c77 100644 (file)
@@ -14,3 +14,4 @@ endif
 
 obj-$(CONFIG_MACH_DOVE)                 += dove.o
 obj-$(CONFIG_MACH_KIRKWOOD)     += kirkwood.o kirkwood-pm.o
+obj-$(CONFIG_MACH_NETXBIG)      += netxbig.o
index 9c7bb4386f8bc92574a0723ebd7ea303e9028201..98e32cc2ef3dac4388e1fd5c06d444fa20734d02 100644 (file)
@@ -13,4 +13,9 @@
 #ifndef __ARCH_MVEBU_BOARD_H
 #define __ARCH_MVEBU_BOARD_H
 
+#ifdef CONFIG_MACH_NETXBIG
+void netxbig_init(void);
+#else
+static inline void netxbig_init(void) {};
+#endif
 #endif
index 46f105913c84b75e6b6c7b1095cdf485f015af5d..6b5310828eb2e7fa95fda207492ff0cc014803ab 100644 (file)
@@ -180,6 +180,9 @@ static void __init kirkwood_dt_init(void)
        kirkwood_pm_init();
        kirkwood_dt_eth_fixup();
 
+       if (of_machine_is_compatible("lacie,netxbig"))
+               netxbig_init();
+
        of_platform_populate(NULL, of_default_bus_match_table, auxdata, NULL);
 }
 
diff --git a/arch/arm/mach-mvebu/netxbig.c b/arch/arm/mach-mvebu/netxbig.c
new file mode 100644 (file)
index 0000000..94b11b6
--- /dev/null
@@ -0,0 +1,191 @@
+/*
+ * arch/arm/mach-mvbu/board-netxbig.c
+ *
+ * LaCie 2Big and 5Big Network v2 board setup
+ *
+ * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/leds-kirkwood-netxbig.h>
+#include "common.h"
+
+/*****************************************************************************
+ * GPIO extension LEDs
+ ****************************************************************************/
+
+/*
+ * The LEDs are controlled by a CPLD and can be configured through a GPIO
+ * extension bus:
+ *
+ * - address register : bit [0-2] -> GPIO [47-49]
+ * - data register    : bit [0-2] -> GPIO [44-46]
+ * - enable register  : GPIO 29
+ */
+
+static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
+static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
+
+static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
+       .addr           = netxbig_v2_gpio_ext_addr,
+       .num_addr       = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
+       .data           = netxbig_v2_gpio_ext_data,
+       .num_data       = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
+       .enable         = 29,
+};
+
+/*
+ * Address register selection:
+ *
+ * addr | register
+ * ----------------------------
+ *   0  | front LED
+ *   1  | front LED brightness
+ *   2  | SATA LED brightness
+ *   3  | SATA0 LED
+ *   4  | SATA1 LED
+ *   5  | SATA2 LED
+ *   6  | SATA3 LED
+ *   7  | SATA4 LED
+ *
+ * Data register configuration:
+ *
+ * data | LED brightness
+ * -------------------------------------------------
+ *   0  | min (off)
+ *   -  | -
+ *   7  | max
+ *
+ * data | front LED mode
+ * -------------------------------------------------
+ *   0  | fix off
+ *   1  | fix blue on
+ *   2  | fix red on
+ *   3  | blink blue on=1 sec and blue off=1 sec
+ *   4  | blink red on=1 sec and red off=1 sec
+ *   5  | blink blue on=2.5 sec and red on=0.5 sec
+ *   6  | blink blue on=1 sec and red on=1 sec
+ *   7  | blink blue on=0.5 sec and blue off=2.5 sec
+ *
+ * data | SATA LED mode
+ * -------------------------------------------------
+ *   0  | fix off
+ *   1  | SATA activity blink
+ *   2  | fix red on
+ *   3  | blink blue on=1 sec and blue off=1 sec
+ *   4  | blink red on=1 sec and red off=1 sec
+ *   5  | blink blue on=2.5 sec and red on=0.5 sec
+ *   6  | blink blue on=1 sec and red on=1 sec
+ *   7  | fix blue on
+ */
+
+static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
+       [NETXBIG_LED_OFF]       = 0,
+       [NETXBIG_LED_ON]        = 2,
+       [NETXBIG_LED_SATA]      = NETXBIG_LED_INVALID_MODE,
+       [NETXBIG_LED_TIMER1]    = 4,
+       [NETXBIG_LED_TIMER2]    = NETXBIG_LED_INVALID_MODE,
+};
+
+static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
+       [NETXBIG_LED_OFF]       = 0,
+       [NETXBIG_LED_ON]        = 1,
+       [NETXBIG_LED_SATA]      = NETXBIG_LED_INVALID_MODE,
+       [NETXBIG_LED_TIMER1]    = 3,
+       [NETXBIG_LED_TIMER2]    = 7,
+};
+
+static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
+       [NETXBIG_LED_OFF]       = 0,
+       [NETXBIG_LED_ON]        = 7,
+       [NETXBIG_LED_SATA]      = 1,
+       [NETXBIG_LED_TIMER1]    = 3,
+       [NETXBIG_LED_TIMER2]    = NETXBIG_LED_INVALID_MODE,
+};
+
+static struct netxbig_led_timer netxbig_v2_led_timer[] = {
+       [0] = {
+               .delay_on       = 500,
+               .delay_off      = 500,
+               .mode           = NETXBIG_LED_TIMER1,
+       },
+       [1] = {
+               .delay_on       = 500,
+               .delay_off      = 1000,
+               .mode           = NETXBIG_LED_TIMER2,
+       },
+};
+
+#define NETXBIG_LED(_name, maddr, mval, baddr)                 \
+       { .name         = _name,                                \
+         .mode_addr    = maddr,                                \
+         .mode_val     = mval,                                 \
+         .bright_addr  = baddr }
+
+static struct netxbig_led net2big_v2_leds_ctrl[] = {
+       NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
+       NETXBIG_LED("net2big-v2:red:power",  0, netxbig_v2_red_mled,       1),
+       NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net2big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
+       NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net2big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
+};
+
+static struct netxbig_led_platform_data net2big_v2_leds_data = {
+       .gpio_ext       = &netxbig_v2_gpio_ext,
+       .timer          = netxbig_v2_led_timer,
+       .num_timer      = ARRAY_SIZE(netxbig_v2_led_timer),
+       .leds           = net2big_v2_leds_ctrl,
+       .num_leds       = ARRAY_SIZE(net2big_v2_leds_ctrl),
+};
+
+static struct netxbig_led net5big_v2_leds_ctrl[] = {
+       NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled,  1),
+       NETXBIG_LED("net5big-v2:red:power",  0, netxbig_v2_red_mled,       1),
+       NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net5big-v2:red:sata0",  3, netxbig_v2_red_mled,       2),
+       NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net5big-v2:red:sata1",  4, netxbig_v2_red_mled,       2),
+       NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net5big-v2:red:sata2",  5, netxbig_v2_red_mled,       2),
+       NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net5big-v2:red:sata3",  6, netxbig_v2_red_mled,       2),
+       NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
+       NETXBIG_LED("net5big-v2:red:sata4",  7, netxbig_v2_red_mled,       2),
+};
+
+static struct netxbig_led_platform_data net5big_v2_leds_data = {
+       .gpio_ext       = &netxbig_v2_gpio_ext,
+       .timer          = netxbig_v2_led_timer,
+       .num_timer      = ARRAY_SIZE(netxbig_v2_led_timer),
+       .leds           = net5big_v2_leds_ctrl,
+       .num_leds       = ARRAY_SIZE(net5big_v2_leds_ctrl),
+};
+
+static struct platform_device netxbig_v2_leds = {
+       .name           = "leds-netxbig",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &net2big_v2_leds_data,
+       },
+};
+
+void __init netxbig_init(void)
+{
+
+       if (of_machine_is_compatible("lacie,net5big_v2"))
+               netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
+       platform_device_register(&netxbig_v2_leds);
+}