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ARM: pxa/mainstone: switch PCMCIA to MAX1600 library and gpiod APIs

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Convert mainstone to use the MAX1600 library and gpiod APIs for socket
status and control signals.

Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King
2018-11-28 13:57:23 +00:00
parent e2125d0517
commit 34fdbe6456
5 changed files with 93 additions and 79 deletions
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53
arch/arm/mach-pxa/mainstone.c
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@@ -13,6 +13,7 @@
* published by the Free Software Foundation.
*/
#include <linux/gpio.h>
#include <linux/gpio/gpio-reg.h>
#include <linux/gpio/machine.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -507,12 +508,64 @@ static void __init mainstone_init_keypad(void)
static inline void mainstone_init_keypad(void) {}
#endif
static int mst_pcmcia0_irqs[11] = {
[0 ... 10] = -1,
[5] = MAINSTONE_S0_CD_IRQ,
[8] = MAINSTONE_S0_STSCHG_IRQ,
[10] = MAINSTONE_S0_IRQ,
};
static int mst_pcmcia1_irqs[11] = {
[0 ... 10] = -1,
[5] = MAINSTONE_S1_CD_IRQ,
[8] = MAINSTONE_S1_STSCHG_IRQ,
[10] = MAINSTONE_S1_IRQ,
};
static struct gpiod_lookup_table mainstone_pcmcia_gpio_table = {
.dev_id = "pxa2xx-pcmcia",
.table = {
GPIO_LOOKUP("mst-pcmcia0", 0, "a0vpp", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 1, "a1vpp", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 2, "a0vcc", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 3, "a1vcc", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 4, "areset", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 5, "adetect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia0", 6, "avs1", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia0", 7, "avs2", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia0", 8, "abvd1", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 9, "abvd2", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia0", 10, "aready", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 0, "b0vpp", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 1, "b1vpp", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 2, "b0vcc", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 3, "b1vcc", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 4, "breset", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 5, "bdetect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia1", 6, "bvs1", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia1", 7, "bvs2", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("mst-pcmcia1", 8, "bbvd1", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 9, "bbvd2", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("mst-pcmcia1", 10, "bready", GPIO_ACTIVE_HIGH),
{ },
},
};
static void __init mainstone_init(void)
{
int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config));
/* Register board control register(s) as GPIOs */
gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA0, -1, 11,
"mst-pcmcia0", MST_PCMCIA_INPUTS, 0, NULL,
NULL, mst_pcmcia0_irqs);
gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA1, -1, 11,
"mst-pcmcia1", MST_PCMCIA_INPUTS, 0, NULL,
NULL, mst_pcmcia1_irqs);
gpiod_add_lookup_table(&mainstone_pcmcia_gpio_table);
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);