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