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authorRussell King <rmk+kernel@armlinux.org.uk>2016-08-31 08:49:48 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2018-04-06 15:53:22 +0100
commit64b2f129c38713a059e1299662fc68fc6bf6f0a6 (patch)
tree3c28653814a5d6154b30c8d522f5e6672bea60aa
parentb51af86559d4b5c831abbec545c76f721a8d8237 (diff)
ARM: sa1100/simpad: switch simpad CF to use gpiod APIs
Switch simpad's CF implementation to use the gpiod APIs. The inverted detection is handled using gpiolib's native inversion abilities. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
-rw-r--r--arch/arm/mach-sa1100/simpad.c11
-rw-r--r--drivers/pcmcia/sa1100_simpad.c12
2 files changed, 14 insertions, 9 deletions
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 7d4feb8a49ac..ace010479eb6 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -4,6 +4,7 @@
*/
#include <linux/module.h>
+#include <linux/gpio/machine.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
@@ -364,6 +365,15 @@ static struct platform_device *devices[] __initdata = {
&simpad_i2c,
};
+/* Compact Flash */
+static struct gpiod_lookup_table simpad_cf_gpio_table = {
+ .dev_id = "sa11x0-pcmcia",
+ .table = {
+ GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
static int __init simpad_init(void)
@@ -385,6 +395,7 @@ static int __init simpad_init(void)
pm_power_off = simpad_power_off;
+ sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table);
sa11x0_ppc_configure_mcp();
sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
ARRAY_SIZE(simpad_flash_resources));
diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c
index 7ce65bb23a8e..e235ee14eaa6 100644
--- a/drivers/pcmcia/sa1100_simpad.c
+++ b/drivers/pcmcia/sa1100_simpad.c
@@ -12,7 +12,6 @@
#include <mach/hardware.h>
#include <asm/mach-types.h>
-#include <asm/irq.h>
#include <mach/simpad.h>
#include "sa1100_generic.h"
@@ -21,12 +20,10 @@ static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1);
- skt->stat[SOC_STAT_CD].gpio = GPIO_CF_CD;
- skt->stat[SOC_STAT_CD].name = "CF_CD";
- skt->stat[SOC_STAT_RDY].gpio = GPIO_CF_IRQ;
- skt->stat[SOC_STAT_RDY].name = "CF_RDY";
+ skt->stat[SOC_STAT_CD].name = "cf-detect";
+ skt->stat[SOC_STAT_RDY].name = "cf-ready";
- return 0;
+ return soc_pcmcia_request_gpiods(skt);
}
static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
@@ -42,9 +39,6 @@ simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
{
long cs3reg = simpad_get_cs3_ro();
- /* the detect signal is inverted - fix that up here */
- state->detect = !state->detect;
-
state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */
state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */