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[PATCH 1/1] geos: backport driver from linux-next to 3.2 and 3.3
The Geos driver is in linux-next and will be out in 3.4. It builds fine against 3.2.2 and 3.3-rc2. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30022 3c298f89-4303-0410-b956-a3cf2f4a3e73
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188
target/linux/x86/patches-3.2/002-geos_platform.patch
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188
target/linux/x86/patches-3.2/002-geos_platform.patch
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@ -0,0 +1,188 @@
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From 31bc84d45320dad2392384381ad4d818ab21087a Mon Sep 17 00:00:00 2001
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From: "Philip A. Prindeville" <philipp@redfish-solutions.com>
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Date: Wed, 18 Jan 2012 11:15:33 -0700
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Subject: [PATCH 1/1] geos: Platform driver for Geos and Geos2 single-board
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computers.
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Trivial platform driver for Traverse Technologies Geos and Geos2
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single-board computers. Uses SMBIOS to identify platform.
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Based on progressive revisions of the leds-net5501 driver that
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was rewritten by Ed Wildgoose as a platform driver.
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Supports GPIO-based LEDs (3) and 1 polled button which is
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typically used for a soft reset.
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Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
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Reviewed-by: Ed Wildgoose <ed@wildgooses.com>
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Acked-by: Andres Salomon <dilinger@queued.net>
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Cc: Richard Purdie <rpurdie@rpsys.net>
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Cc: Andrew Morton <akpm@linux-foundation.org>
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---
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arch/x86/Kconfig | 7 ++
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arch/x86/platform/geode/Makefile | 1 +
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arch/x86/platform/geode/geos.c | 128 ++++++++++++++++++++++++++++++++++++++
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3 files changed, 136 insertions(+), 0 deletions(-)
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create mode 100644 arch/x86/platform/geode/geos.c
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diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
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index 07c3f15..4ee921b 100644
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--- a/arch/x86/Kconfig
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+++ b/arch/x86/Kconfig
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@@ -2168,6 +2168,13 @@ config ALIX
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Note: You have to set alix.force=1 for boards with Award BIOS.
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+config GEOS
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+ bool "Traverse Technologies GEOS System Support (LEDS, GPIO, etc)"
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+ select GPIOLIB
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+ depends on DMI
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+ ---help---
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+ This option enables system support for the Traverse Technologies GEOS.
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+
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endif # X86_32
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config AMD_NB
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diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
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index 07c9cd0..d8ba564 100644
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--- a/arch/x86/platform/geode/Makefile
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+++ b/arch/x86/platform/geode/Makefile
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@@ -1 +1,2 @@
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obj-$(CONFIG_ALIX) += alix.o
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+obj-$(CONFIG_GEOS) += geos.o
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diff --git a/arch/x86/platform/geode/geos.c b/arch/x86/platform/geode/geos.c
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new file mode 100644
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index 0000000..c2e6d53
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--- /dev/null
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+++ b/arch/x86/platform/geode/geos.c
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@@ -0,0 +1,128 @@
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+/*
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+ * System Specific setup for Traverse Technologies GEOS.
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+ * At the moment this means setup of GPIO control of LEDs.
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+ *
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+ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
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+ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
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+ * and Philip Prindeville <philipp@redfish-solutions.com>
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+ *
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+ * TODO: There are large similarities with leds-net5501.c
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+ * by Alessandro Zummo <a.zummo@towertech.it>
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+ * In the future leds-net5501.c should be migrated over to platform
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/io.h>
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+#include <linux/string.h>
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+#include <linux/module.h>
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+#include <linux/leds.h>
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+#include <linux/platform_device.h>
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+#include <linux/gpio.h>
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+#include <linux/input.h>
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+#include <linux/gpio_keys.h>
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+#include <linux/dmi.h>
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+
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+#include <asm/geode.h>
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+
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+static struct gpio_keys_button geos_gpio_buttons[] = {
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+ {
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+ .code = KEY_RESTART,
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+ .gpio = 3,
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+ .active_low = 1,
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+ .desc = "Reset button",
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+ .type = EV_KEY,
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+ .wakeup = 0,
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+ .debounce_interval = 100,
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+ .can_disable = 0,
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+ }
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+};
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+static struct gpio_keys_platform_data geos_buttons_data = {
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+ .buttons = geos_gpio_buttons,
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+ .nbuttons = ARRAY_SIZE(geos_gpio_buttons),
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+ .poll_interval = 20,
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+};
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+
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+static struct platform_device geos_buttons_dev = {
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+ .name = "gpio-keys-polled",
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+ .id = 1,
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+ .dev = {
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+ .platform_data = &geos_buttons_data,
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+ }
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+};
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+
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+static struct gpio_led geos_leds[] = {
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+ {
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+ .name = "geos:1",
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+ .gpio = 6,
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+ .default_trigger = "default-on",
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "geos:2",
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+ .gpio = 25,
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+ .default_trigger = "default-off",
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "geos:3",
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+ .gpio = 27,
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+ .default_trigger = "default-off",
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+ .active_low = 1,
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+ },
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+};
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+
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+static struct gpio_led_platform_data geos_leds_data = {
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+ .num_leds = ARRAY_SIZE(geos_leds),
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+ .leds = geos_leds,
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+};
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+
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+static struct platform_device geos_leds_dev = {
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+ .name = "leds-gpio",
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+ .id = -1,
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+ .dev.platform_data = &geos_leds_data,
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+};
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+
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+static struct __initdata platform_device *geos_devs[] = {
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+ &geos_buttons_dev,
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+ &geos_leds_dev,
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+};
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+
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+static void __init register_geos(void)
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+{
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+ /* Setup LED control through leds-gpio driver */
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+ platform_add_devices(geos_devs, ARRAY_SIZE(geos_devs));
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+}
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+
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+static int __init geos_init(void)
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+{
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+ const char *vendor, *product;
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+
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+ if (!is_geode())
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+ return 0;
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+
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+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
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+ if (!vendor || strcmp(vendor, "Traverse Technologies"))
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+ return 0;
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+
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+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
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+ if (!product || strcmp(product, "Geos"))
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+ return 0;
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+
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+ printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
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+ KBUILD_MODNAME, vendor, product);
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+
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+ register_geos();
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+
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+ return 0;
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+}
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+
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+module_init(geos_init);
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+
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+MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>");
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+MODULE_DESCRIPTION("Traverse Technologies Geos System Setup");
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+MODULE_LICENSE("GPL");
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--
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1.7.7.4
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188
target/linux/x86/patches-3.3/002-geos_platform.patch
Normal file
188
target/linux/x86/patches-3.3/002-geos_platform.patch
Normal file
@ -0,0 +1,188 @@
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From 31bc84d45320dad2392384381ad4d818ab21087a Mon Sep 17 00:00:00 2001
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From: "Philip A. Prindeville" <philipp@redfish-solutions.com>
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Date: Wed, 18 Jan 2012 11:15:33 -0700
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Subject: [PATCH 1/1] geos: Platform driver for Geos and Geos2 single-board
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computers.
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Trivial platform driver for Traverse Technologies Geos and Geos2
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single-board computers. Uses SMBIOS to identify platform.
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Based on progressive revisions of the leds-net5501 driver that
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was rewritten by Ed Wildgoose as a platform driver.
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Supports GPIO-based LEDs (3) and 1 polled button which is
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typically used for a soft reset.
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Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
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Reviewed-by: Ed Wildgoose <ed@wildgooses.com>
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Acked-by: Andres Salomon <dilinger@queued.net>
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Cc: Richard Purdie <rpurdie@rpsys.net>
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Cc: Andrew Morton <akpm@linux-foundation.org>
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---
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arch/x86/Kconfig | 7 ++
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arch/x86/platform/geode/Makefile | 1 +
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arch/x86/platform/geode/geos.c | 128 ++++++++++++++++++++++++++++++++++++++
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3 files changed, 136 insertions(+), 0 deletions(-)
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create mode 100644 arch/x86/platform/geode/geos.c
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diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
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index 07c3f15..4ee921b 100644
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--- a/arch/x86/Kconfig
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+++ b/arch/x86/Kconfig
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@@ -2168,6 +2168,13 @@ config ALIX
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Note: You have to set alix.force=1 for boards with Award BIOS.
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+config GEOS
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+ bool "Traverse Technologies GEOS System Support (LEDS, GPIO, etc)"
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+ select GPIOLIB
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+ depends on DMI
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+ ---help---
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+ This option enables system support for the Traverse Technologies GEOS.
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+
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endif # X86_32
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config AMD_NB
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diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
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index 07c9cd0..d8ba564 100644
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--- a/arch/x86/platform/geode/Makefile
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+++ b/arch/x86/platform/geode/Makefile
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@@ -1 +1,2 @@
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obj-$(CONFIG_ALIX) += alix.o
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+obj-$(CONFIG_GEOS) += geos.o
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diff --git a/arch/x86/platform/geode/geos.c b/arch/x86/platform/geode/geos.c
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new file mode 100644
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index 0000000..c2e6d53
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--- /dev/null
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+++ b/arch/x86/platform/geode/geos.c
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@@ -0,0 +1,128 @@
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+/*
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+ * System Specific setup for Traverse Technologies GEOS.
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+ * At the moment this means setup of GPIO control of LEDs.
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+ *
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+ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
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+ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
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+ * and Philip Prindeville <philipp@redfish-solutions.com>
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+ *
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+ * TODO: There are large similarities with leds-net5501.c
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+ * by Alessandro Zummo <a.zummo@towertech.it>
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+ * In the future leds-net5501.c should be migrated over to platform
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/io.h>
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+#include <linux/string.h>
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+#include <linux/module.h>
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+#include <linux/leds.h>
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+#include <linux/platform_device.h>
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+#include <linux/gpio.h>
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+#include <linux/input.h>
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+#include <linux/gpio_keys.h>
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+#include <linux/dmi.h>
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+
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+#include <asm/geode.h>
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+
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+static struct gpio_keys_button geos_gpio_buttons[] = {
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+ {
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+ .code = KEY_RESTART,
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+ .gpio = 3,
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+ .active_low = 1,
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+ .desc = "Reset button",
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+ .type = EV_KEY,
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+ .wakeup = 0,
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+ .debounce_interval = 100,
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+ .can_disable = 0,
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+ }
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+};
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+static struct gpio_keys_platform_data geos_buttons_data = {
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+ .buttons = geos_gpio_buttons,
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+ .nbuttons = ARRAY_SIZE(geos_gpio_buttons),
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+ .poll_interval = 20,
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+};
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+
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+static struct platform_device geos_buttons_dev = {
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+ .name = "gpio-keys-polled",
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+ .id = 1,
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+ .dev = {
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+ .platform_data = &geos_buttons_data,
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+ }
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+};
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+
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+static struct gpio_led geos_leds[] = {
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+ {
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+ .name = "geos:1",
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+ .gpio = 6,
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+ .default_trigger = "default-on",
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "geos:2",
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+ .gpio = 25,
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+ .default_trigger = "default-off",
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+ .active_low = 1,
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+ },
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+ {
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+ .name = "geos:3",
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+ .gpio = 27,
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+ .default_trigger = "default-off",
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+ .active_low = 1,
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+ },
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+};
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+
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+static struct gpio_led_platform_data geos_leds_data = {
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+ .num_leds = ARRAY_SIZE(geos_leds),
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+ .leds = geos_leds,
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+};
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+
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+static struct platform_device geos_leds_dev = {
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+ .name = "leds-gpio",
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+ .id = -1,
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+ .dev.platform_data = &geos_leds_data,
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+};
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+
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+static struct __initdata platform_device *geos_devs[] = {
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+ &geos_buttons_dev,
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+ &geos_leds_dev,
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+};
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+
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+static void __init register_geos(void)
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+{
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+ /* Setup LED control through leds-gpio driver */
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+ platform_add_devices(geos_devs, ARRAY_SIZE(geos_devs));
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+}
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+
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+static int __init geos_init(void)
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+{
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+ const char *vendor, *product;
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+
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+ if (!is_geode())
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+ return 0;
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+
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+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
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+ if (!vendor || strcmp(vendor, "Traverse Technologies"))
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+ return 0;
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+
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+ product = dmi_get_system_info(DMI_PRODUCT_NAME);
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+ if (!product || strcmp(product, "Geos"))
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+ return 0;
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+
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+ printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
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+ KBUILD_MODNAME, vendor, product);
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+
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+ register_geos();
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+
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+ return 0;
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+}
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+
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+module_init(geos_init);
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+
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+MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>");
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+MODULE_DESCRIPTION("Traverse Technologies Geos System Setup");
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+MODULE_LICENSE("GPL");
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--
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1.7.7.4
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