1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
From c1a769bcd789ef7284ee4ece4324274278ee6401 Mon Sep 17 00:00:00 2001
From: Thomas Kunze <thommycheck@gmx.de>
Date: Tue, 10 Feb 2009 13:48:32 +0100
Subject: [PATCH 19/23] collie: support pda_power driver
This add the pda-power platform device to collie.
---
arch/arm/mach-sa1100/collie.c | 65 +++++++++++++++++++++++++++++++++++++++++
1 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 4b52f30..7da2f28 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -26,6 +26,7 @@
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
#include <linux/gpio.h>
+#include <linux/pda_power.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -90,6 +91,69 @@ static struct mcp_plat_data collie_mcp_data = {
.gpio_base = COLLIE_TC35143_GPIO_BASE,
};
+/*
+ * Collie AC IN
+ */
+static int collie_power_init(struct device *dev)
+{
+ int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
+ if (ret)
+ goto err_gpio_req;
+
+ ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
+ if (ret)
+ goto err_gpio_in;
+
+ return 0;
+
+err_gpio_in:
+ gpio_free(COLLIE_GPIO_AC_IN);
+err_gpio_req:
+ return ret;
+}
+
+static void collie_power_exit(struct device *dev)
+{
+ gpio_free(COLLIE_GPIO_AC_IN);
+}
+
+static int collie_power_ac_online(void)
+{
+ return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
+}
+
+static char *collie_ac_supplied_to[] = {
+ "main-battery",
+ "backup-battery",
+};
+
+static struct pda_power_pdata collie_power_data = {
+ .init = collie_power_init,
+ .is_ac_online = collie_power_ac_online,
+ .exit = collie_power_exit,
+ .supplied_to = collie_ac_supplied_to,
+ .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
+};
+
+static struct resource collie_power_resource[] = {
+ {
+ .name = "ac",
+ .start = gpio_to_irq(COLLIE_GPIO_AC_IN),
+ .end = gpio_to_irq(COLLIE_GPIO_AC_IN),
+ .flags = IORESOURCE_IRQ |
+ IORESOURCE_IRQ_HIGHEDGE |
+ IORESOURCE_IRQ_LOWEDGE,
+ },
+};
+
+static struct platform_device collie_power_device = {
+ .name = "pda-power",
+ .id = -1,
+ .dev.platform_data = &collie_power_data,
+ .resource = collie_power_resource,
+ .num_resources = ARRAY_SIZE(collie_power_resource),
+};
+
#ifdef CONFIG_SHARP_LOCOMO
/*
* low-level UART features.
@@ -180,6 +244,7 @@ struct platform_device collie_locomo_device = {
static struct platform_device *devices[] __initdata = {
&collie_locomo_device,
&colliescoop_device,
+ &collie_power_device,
};
static struct mtd_partition collie_partitions[] = {
--
1.5.6.5
|
