aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-sa1100
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2009-12-06 16:53:09 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-12-06 16:53:12 +0000
commitba71e17269633ea36e776d744d5cc0fcb5a41f93 (patch)
tree0a51c86e5c218ac2ae74ff8193880a64053a77bc /arch/arm/mach-sa1100
parent729fae44dd8332cbf5b9d05a9af17a7455e165b2 (diff)
parent9823b2d0f9547742fc40857f9ef153d6956266f2 (diff)
downloadlinux-2.6.34-ux500-ba71e17269633ea36e776d744d5cc0fcb5a41f93.tar.gz
Merge branch 'for-lak' of git://git.linuxtogo.org/home/thesing/collie into sa1100
Diffstat (limited to 'arch/arm/mach-sa1100')
-rw-r--r--arch/arm/mach-sa1100/collie.c79
-rw-r--r--arch/arm/mach-sa1100/include/mach/collie.h77
-rw-r--r--arch/arm/mach-sa1100/include/mach/gpio.h19
-rw-r--r--arch/arm/mach-sa1100/include/mach/mcp.h1
4 files changed, 123 insertions, 53 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index be7e5a3c47d..9982c5c28ed 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>
@@ -56,6 +57,7 @@ static struct resource collie_scoop_resources[] = {
static struct scoop_config collie_scoop_setup = {
.io_dir = COLLIE_SCOOP_IO_DIR,
.io_out = COLLIE_SCOOP_IO_OUT,
+ .gpio_base = COLLIE_SCOOP_GPIO_BASE,
};
struct platform_device colliescoop_device = {
@@ -85,6 +87,70 @@ static struct scoop_pcmcia_config collie_pcmcia_config = {
static struct mcp_plat_data collie_mcp_data = {
.mccr0 = MCCR0_ADM | MCCR0_ExtClk,
.sclk_rate = 9216000,
+ .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
@@ -178,6 +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[] = {
@@ -248,22 +315,24 @@ static void __init collie_init(void)
GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
- COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
- COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
+ _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
+ _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
- PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
- COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
+ PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
+ _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
- PGSR = COLLIE_GPIO_nREMOCON_ON;
+ PGSR = _COLLIE_GPIO_nREMOCON_ON;
PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
PCFR = PCFR_OPDE;
+ GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
+
platform_scoop_config = &collie_pcmcia_config;
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index 9efb569cdb6..71a0b3fdcc8 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -25,29 +25,39 @@
#define COLLIE_GPIO_VPEN (COLLIE_SCOOP_GPIO_BASE + 7)
#define COLLIE_SCP_LB_VOL_CHG SCOOP_GPCR_PA19
-#define COLLIE_SCOOP_IO_DIR ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \
+#define COLLIE_SCOOP_IO_DIR (COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \
COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | \
- COLLIE_SCP_LB_VOL_CHG )
-#define COLLIE_SCOOP_IO_OUT ( COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R )
+ COLLIE_SCP_LB_VOL_CHG)
+#define COLLIE_SCOOP_IO_OUT (COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R)
-/* GPIOs for which the generic definition doesn't say much */
+/* GPIOs for gpiolib */
-#define COLLIE_GPIO_ON_KEY GPIO_GPIO (0)
-#define COLLIE_GPIO_AC_IN GPIO_GPIO (1)
-#define COLLIE_GPIO_SDIO_INT GPIO_GPIO (11)
-#define COLLIE_GPIO_CF_IRQ GPIO_GPIO (14)
-#define COLLIE_GPIO_nREMOCON_INT GPIO_GPIO (15)
-#define COLLIE_GPIO_UCB1x00_RESET GPIO_GPIO (16)
-#define COLLIE_GPIO_nMIC_ON GPIO_GPIO (17)
-#define COLLIE_GPIO_nREMOCON_ON GPIO_GPIO (18)
-#define COLLIE_GPIO_CO GPIO_GPIO (20)
-#define COLLIE_GPIO_MCP_CLK GPIO_GPIO (21)
-#define COLLIE_GPIO_CF_CD GPIO_GPIO (22)
-#define COLLIE_GPIO_UCB1x00_IRQ GPIO_GPIO (23)
-#define COLLIE_GPIO_WAKEUP GPIO_GPIO (24)
-#define COLLIE_GPIO_GA_INT GPIO_GPIO (25)
-#define COLLIE_GPIO_MAIN_BAT_LOW GPIO_GPIO (26)
+#define COLLIE_GPIO_ON_KEY (0)
+#define COLLIE_GPIO_AC_IN (1)
+#define COLLIE_GPIO_SDIO_INT (11)
+#define COLLIE_GPIO_CF_IRQ (14)
+#define COLLIE_GPIO_nREMOCON_INT (15)
+#define COLLIE_GPIO_UCB1x00_RESET (16)
+#define COLLIE_GPIO_nMIC_ON (17)
+#define COLLIE_GPIO_nREMOCON_ON (18)
+#define COLLIE_GPIO_CO (20)
+#define COLLIE_GPIO_MCP_CLK (21)
+#define COLLIE_GPIO_CF_CD (22)
+#define COLLIE_GPIO_UCB1x00_IRQ (23)
+#define COLLIE_GPIO_WAKEUP (24)
+#define COLLIE_GPIO_GA_INT (25)
+#define COLLIE_GPIO_MAIN_BAT_LOW (26)
+/* GPIO definitions for direct register access */
+
+#define _COLLIE_GPIO_ON_KEY GPIO_GPIO(0)
+#define _COLLIE_GPIO_AC_IN GPIO_GPIO(1)
+#define _COLLIE_GPIO_nREMOCON_INT GPIO_GPIO(15)
+#define _COLLIE_GPIO_UCB1x00_RESET GPIO_GPIO(16)
+#define _COLLIE_GPIO_nMIC_ON GPIO_GPIO(17)
+#define _COLLIE_GPIO_nREMOCON_ON GPIO_GPIO(18)
+#define _COLLIE_GPIO_CO GPIO_GPIO(20)
+#define _COLLIE_GPIO_WAKEUP GPIO_GPIO(24)
/* Interrupts */
#define COLLIE_IRQ_GPIO_ON_KEY IRQ_GPIO0
@@ -70,19 +80,20 @@
#define COLLIE_LCM_IRQ_GPIO_nSD_WP IRQ_LOCOMO_GPIO14
/* GPIO's on the TC35143AF (Toshiba Analog Frontend) */
-#define COLLIE_TC35143_GPIO_VERSION0 UCB_IO_0 /* GPIO0=Version */
-#define COLLIE_TC35143_GPIO_TBL_CHK UCB_IO_1 /* GPIO1=TBL_CHK */
-#define COLLIE_TC35143_GPIO_VPEN_ON UCB_IO_2 /* GPIO2=VPNE_ON */
-#define COLLIE_TC35143_GPIO_IR_ON UCB_IO_3 /* GPIO3=IR_ON */
-#define COLLIE_TC35143_GPIO_AMP_ON UCB_IO_4 /* GPIO4=AMP_ON */
-#define COLLIE_TC35143_GPIO_VERSION1 UCB_IO_5 /* GPIO5=Version */
-#define COLLIE_TC35143_GPIO_FS8KLPF UCB_IO_5 /* GPIO5=fs 8k LPF */
-#define COLLIE_TC35143_GPIO_BUZZER_BIAS UCB_IO_6 /* GPIO6=BUZZER BIAS */
-#define COLLIE_TC35143_GPIO_MBAT_ON UCB_IO_7 /* GPIO7=MBAT_ON */
-#define COLLIE_TC35143_GPIO_BBAT_ON UCB_IO_8 /* GPIO8=BBAT_ON */
-#define COLLIE_TC35143_GPIO_TMP_ON UCB_IO_9 /* GPIO9=TMP_ON */
-#define COLLIE_TC35143_GPIO_IN ( UCB_IO_0 | UCB_IO_2 | UCB_IO_5 )
-#define COLLIE_TC35143_GPIO_OUT ( UCB_IO_1 | UCB_IO_3 | UCB_IO_4 | UCB_IO_6 | \
- UCB_IO_7 | UCB_IO_8 | UCB_IO_9 )
+#define COLLIE_TC35143_GPIO_BASE (GPIO_MAX + 13)
+#define COLLIE_TC35143_GPIO_VERSION0 UCB_IO_0
+#define COLLIE_TC35143_GPIO_TBL_CHK UCB_IO_1
+#define COLLIE_TC35143_GPIO_VPEN_ON UCB_IO_2
+#define COLLIE_TC35143_GPIO_IR_ON UCB_IO_3
+#define COLLIE_TC35143_GPIO_AMP_ON UCB_IO_4
+#define COLLIE_TC35143_GPIO_VERSION1 UCB_IO_5
+#define COLLIE_TC35143_GPIO_FS8KLPF UCB_IO_5
+#define COLLIE_TC35143_GPIO_BUZZER_BIAS UCB_IO_6
+#define COLLIE_GPIO_MBAT_ON (COLLIE_TC35143_GPIO_BASE + 7)
+#define COLLIE_GPIO_BBAT_ON (COLLIE_TC35143_GPIO_BASE + 8)
+#define COLLIE_GPIO_TMP_ON (COLLIE_TC35143_GPIO_BASE + 9)
+#define COLLIE_TC35143_GPIO_IN (UCB_IO_0 | UCB_IO_2 | UCB_IO_5)
+#define COLLIE_TC35143_GPIO_OUT (UCB_IO_1 | UCB_IO_3 | UCB_IO_4 \
+ | UCB_IO_6)
#endif
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
index 582a0c92da5..7befc104e9a 100644
--- a/arch/arm/mach-sa1100/include/mach/gpio.h
+++ b/arch/arm/mach-sa1100/include/mach/gpio.h
@@ -49,20 +49,9 @@ static inline void gpio_set_value(unsigned gpio, int value)
#define gpio_cansleep __gpio_cansleep
-static inline unsigned gpio_to_irq(unsigned gpio)
-{
- if (gpio < 11)
- return IRQ_GPIO0 + gpio;
- else
- return IRQ_GPIO11 - 11 + gpio;
-}
-
-static inline unsigned irq_to_gpio(unsigned irq)
-{
- if (irq < IRQ_GPIO11_27)
- return irq - IRQ_GPIO0;
- else
- return irq - IRQ_GPIO11 + 11;
-}
+#define gpio_to_irq(gpio) ((gpio < 11) ? (IRQ_GPIO0 + gpio) : \
+ (IRQ_GPIO11 - 11 + gpio))
+#define irq_to_gpio(irq) ((irq < IRQ_GPIO11_27) ? (irq - IRQ_GPIO0) : \
+ (irq - IRQ_GPIO11 + 11))
#endif
diff --git a/arch/arm/mach-sa1100/include/mach/mcp.h b/arch/arm/mach-sa1100/include/mach/mcp.h
index fb8b09a57ad..ed1a331508a 100644
--- a/arch/arm/mach-sa1100/include/mach/mcp.h
+++ b/arch/arm/mach-sa1100/include/mach/mcp.h
@@ -16,6 +16,7 @@ struct mcp_plat_data {
u32 mccr0;
u32 mccr1;
unsigned int sclk_rate;
+ int gpio_base;
};
#endif