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Diffstat (limited to 'arch/arm/mach-u300/core.c')
-rw-r--r--arch/arm/mach-u300/core.c80
1 files changed, 42 insertions, 38 deletions
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index b4c6926a700c..a7b3f36e2262 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -26,7 +26,8 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/fsmc.h>
#include <linux/pinctrl/machine.h>
-#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/pinconf-generic.h>
#include <linux/dma-mapping.h>
#include <asm/types.h>
@@ -1477,7 +1478,7 @@ static struct coh901318_platform coh901318_platform = {
.max_channels = U300_DMA_CHANNELS,
};
-static struct resource pinmux_resources[] = {
+static struct resource pinctrl_resources[] = {
{
.start = U300_SYSCON_BASE,
.end = U300_SYSCON_BASE + SZ_4K - 1,
@@ -1506,6 +1507,13 @@ static struct platform_device i2c1_device = {
.resource = i2c1_resources,
};
+static struct platform_device pinctrl_device = {
+ .name = "pinctrl-u300",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pinctrl_resources),
+ .resource = pinctrl_resources,
+};
+
/*
* The different variants have a few different versions of the
* GPIO block, with different number of ports.
@@ -1525,6 +1533,7 @@ static struct u300_gpio_platform u300_gpio_plat = {
#endif
.gpio_base = 0,
.gpio_irq_base = IRQ_U300_GPIO_BASE,
+ .pinctrl_device = &pinctrl_device,
};
static struct platform_device gpio_device = {
@@ -1597,71 +1606,67 @@ static struct platform_device dma_device = {
},
};
-static struct platform_device pinmux_device = {
- .name = "pinmux-u300",
- .id = -1,
- .num_resources = ARRAY_SIZE(pinmux_resources),
- .resource = pinmux_resources,
+static unsigned long pin_pullup_conf[] = {
+ PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 1),
};
-/* Pinmux settings */
-static struct pinmux_map __initdata u300_pinmux_map[] = {
+static unsigned long pin_highz_conf[] = {
+ PIN_CONF_PACKED(PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0),
+};
+
+/* Pin control settings */
+static struct pinctrl_map __initdata u300_pinmux_map[] = {
/* anonymous maps for chip power and EMIFs */
- PINMUX_MAP_SYS_HOG("POWER", "pinmux-u300", "power"),
- PINMUX_MAP_SYS_HOG("EMIF0", "pinmux-u300", "emif0"),
- PINMUX_MAP_SYS_HOG("EMIF1", "pinmux-u300", "emif1"),
+ PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "power"),
+ PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif0"),
+ PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-u300", NULL, "emif1"),
/* per-device maps for MMC/SD, SPI and UART */
- PINMUX_MAP("MMCSD", "pinmux-u300", "mmc0", "mmci"),
- PINMUX_MAP("SPI", "pinmux-u300", "spi0", "pl022"),
- PINMUX_MAP("UART0", "pinmux-u300", "uart0", "uart0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("mmci", "pinctrl-u300", NULL, "mmc0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("pl022", "pinctrl-u300", NULL, "spi0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-u300", NULL, "uart0"),
+ /* This pin is used for clock return rather than GPIO */
+ PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO APP GPIO 11",
+ pin_pullup_conf),
+ /* This pin is used for card detect */
+ PIN_MAP_CONFIGS_PIN_DEFAULT("mmci", "pinctrl-u300", "PIO MS INS",
+ pin_highz_conf),
};
struct u300_mux_hog {
- const char *name;
struct device *dev;
- struct pinmux *pmx;
+ struct pinctrl *p;
};
static struct u300_mux_hog u300_mux_hogs[] = {
{
- .name = "uart0",
.dev = &uart0_device.dev,
},
{
- .name = "spi0",
.dev = &pl022_device.dev,
},
{
- .name = "mmc0",
.dev = &mmcsd_device.dev,
},
};
-static int __init u300_pinmux_fetch(void)
+static int __init u300_pinctrl_fetch(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(u300_mux_hogs); i++) {
- struct pinmux *pmx;
- int ret;
+ struct pinctrl *p;
- pmx = pinmux_get(u300_mux_hogs[i].dev, NULL);
- if (IS_ERR(pmx)) {
- pr_err("u300: could not get pinmux hog %s\n",
- u300_mux_hogs[i].name);
- continue;
- }
- ret = pinmux_enable(pmx);
- if (ret) {
- pr_err("u300: could enable pinmux hog %s\n",
- u300_mux_hogs[i].name);
+ p = pinctrl_get_select_default(u300_mux_hogs[i].dev);
+ if (IS_ERR(p)) {
+ pr_err("u300: could not get pinmux hog for dev %s\n",
+ dev_name(u300_mux_hogs[i].dev));
continue;
}
- u300_mux_hogs[i].pmx = pmx;
+ u300_mux_hogs[i].p = p;
}
return 0;
}
-subsys_initcall(u300_pinmux_fetch);
+subsys_initcall(u300_pinctrl_fetch);
/*
* Notice that AMBA devices are initialized before platform devices.
@@ -1676,7 +1681,6 @@ static struct platform_device *platform_devs[] __initdata = {
&gpio_device,
&nand_device,
&wdog_device,
- &pinmux_device,
};
/*
@@ -1861,8 +1865,8 @@ void __init u300_init_devices(void)
u300_assign_physmem();
/* Initialize pinmuxing */
- pinmux_register_mappings(u300_pinmux_map,
- ARRAY_SIZE(u300_pinmux_map));
+ pinctrl_register_mappings(u300_pinmux_map,
+ ARRAY_SIZE(u300_pinmux_map));
/* Register subdevices on the I2C buses */
u300_i2c_register_board_devices();