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From 98e54a60a7346ef31cb851b670a238ad428b58fe Mon Sep 17 00:00:00 2001
From: Rafa? Mi?ecki <zajec5@gmail.com>
Date: Thu, 2 Jan 2014 13:27:15 +0100
Subject: [PATCH 029/110] MIPS: BCM47XX: Prepare support for LEDs
So far this is mostly just a proof of concept, database consists of a
single device. Creating a nice iterateable array wasn't an option
because devices have different amount of LEDs. And we don't want to
waste memory just because of support for a device with dozens on LEDs.
Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6299/
---
arch/mips/bcm47xx/Kconfig | 2 +
arch/mips/bcm47xx/Makefile | 2 +-
arch/mips/bcm47xx/bcm47xx_private.h | 9 +++++
arch/mips/bcm47xx/leds.c | 73 +++++++++++++++++++++++++++++++++++
arch/mips/bcm47xx/setup.c | 6 +++
5 files changed, 91 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/bcm47xx/bcm47xx_private.h
create mode 100644 arch/mips/bcm47xx/leds.c
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -12,6 +12,7 @@ config BCM47XX_SSB
select SSB_PCICORE_HOSTMODE if PCI
select SSB_DRIVER_GPIO
select GPIOLIB
+ select LEDS_GPIO_REGISTER
default y
help
Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -29,6 +30,7 @@ config BCM47XX_BCMA
select BCMA_DRIVER_PCI_HOSTMODE if PCI
select BCMA_DRIVER_GPIO
select GPIOLIB
+ select LEDS_GPIO_REGISTER
default y
help
Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -4,5 +4,5 @@
#
obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
-obj-y += board.o
+obj-y += board.o leds.o
obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
--- /dev/null
+++ b/arch/mips/bcm47xx/bcm47xx_private.h
@@ -0,0 +1,9 @@
+#ifndef LINUX_BCM47XX_PRIVATE_H_
+#define LINUX_BCM47XX_PRIVATE_H_
+
+#include <linux/kernel.h>
+
+/* leds.c */
+void __init bcm47xx_leds_register(void);
+
+#endif
--- /dev/null
+++ b/arch/mips/bcm47xx/leds.c
@@ -0,0 +1,73 @@
+#include "bcm47xx_private.h"
+
+#include <linux/leds.h>
+#include <bcm47xx_board.h>
+
+static const struct gpio_led
+bcm47xx_leds_netgear_wndr4500_v1_leds[] __initconst = {
+ {
+ .name = "bcm47xx:green:wps",
+ .gpio = 1,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:green:power",
+ .gpio = 2,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:orange:power",
+ .gpio = 3,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:green:usb1",
+ .gpio = 8,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:green:2ghz",
+ .gpio = 9,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:blue:5ghz",
+ .gpio = 11,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+ {
+ .name = "bcm47xx:green:usb2",
+ .gpio = 14,
+ .active_low = 1,
+ .default_state = LEDS_GPIO_DEFSTATE_KEEP,
+ },
+};
+
+static struct gpio_led_platform_data bcm47xx_leds_pdata;
+
+#define bcm47xx_set_pdata(dev_leds) do { \
+ bcm47xx_leds_pdata.leds = dev_leds; \
+ bcm47xx_leds_pdata.num_leds = ARRAY_SIZE(dev_leds); \
+} while (0)
+
+void __init bcm47xx_leds_register(void)
+{
+ enum bcm47xx_board board = bcm47xx_board_get();
+
+ switch (board) {
+ case BCM47XX_BOARD_NETGEAR_WNDR4500V1:
+ bcm47xx_set_pdata(bcm47xx_leds_netgear_wndr4500_v1_leds);
+ break;
+ default:
+ pr_debug("No LEDs configuration found for this device\n");
+ return;
+ }
+
+ gpio_led_register_device(-1, &bcm47xx_leds_pdata);
+}
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -26,6 +26,8 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include "bcm47xx_private.h"
+
#include <linux/export.h>
#include <linux/types.h>
#include <linux/ssb/ssb.h>
@@ -243,6 +245,9 @@ static int __init bcm47xx_register_bus_c
break;
#endif
}
+
+ bcm47xx_leds_register();
+
return 0;
}
device_initcall(bcm47xx_register_bus_complete);
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