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Diffstat (limited to 'arch/arm/mach-pxa/cm-x300.c')
-rw-r--r--arch/arm/mach-pxa/cm-x300.c58
1 files changed, 27 insertions, 31 deletions
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index b2248e76ec8..b199596f9c3 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -12,6 +12,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/module.h>
#include <linux/kernel.h>
@@ -161,10 +162,10 @@ static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
GPIO99_GPIO, /* Ethernet IRQ */
/* RTC GPIOs */
- GPIO95_GPIO, /* RTC CS */
- GPIO96_GPIO, /* RTC WR */
- GPIO97_GPIO, /* RTC RD */
- GPIO98_GPIO, /* RTC IO */
+ GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */
+ GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */
+ GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */
+ GPIO98_GPIO, /* RTC IO */
/* Standard I2C */
GPIO21_I2C_SCL,
@@ -484,14 +485,13 @@ static int cm_x300_ulpi_phy_reset(void)
int err;
/* reset the PHY */
- err = gpio_request(GPIO_ULPI_PHY_RST, "ulpi reset");
+ err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
+ "ulpi reset");
if (err) {
- pr_err("%s: failed to request ULPI reset GPIO: %d\n",
- __func__, err);
+ pr_err("failed to request ULPI reset GPIO: %d\n", err);
return err;
}
- gpio_direction_output(GPIO_ULPI_PHY_RST, 0);
msleep(10);
gpio_set_value(GPIO_ULPI_PHY_RST, 1);
msleep(10);
@@ -510,8 +510,7 @@ static inline int cm_x300_u2d_init(struct device *dev)
pout_clk = clk_get(NULL, "CLK_POUT");
if (IS_ERR(pout_clk)) {
err = PTR_ERR(pout_clk);
- pr_err("%s: failed to get CLK_POUT: %d\n",
- __func__, err);
+ pr_err("failed to get CLK_POUT: %d\n", err);
return err;
}
clk_enable(pout_clk);
@@ -768,39 +767,36 @@ static void __init cm_x300_init_da9030(void)
irq_set_irq_wake(IRQ_WAKEUP0, 1);
}
+/* wi2wi gpio setting for system_rev >= 130 */
+static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
+ { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
+ { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
+};
+
static void __init cm_x300_init_wi2wi(void)
{
int bt_reset, wlan_en;
int err;
if (system_rev < 130) {
- wlan_en = 77;
- bt_reset = 78;
- } else {
- wlan_en = 71;
- bt_reset = 70;
+ cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
+ cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
}
/* Libertas and CSR reset */
- err = gpio_request(wlan_en, "wlan en");
+ err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
if (err) {
- pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
- } else {
- gpio_direction_output(wlan_en, 1);
- gpio_free(wlan_en);
+ pr_err("failed to request wifi/bt gpios: %d\n", err);
+ return;
}
- err = gpio_request(bt_reset, "bt reset");
- if (err) {
- pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
- } else {
- gpio_direction_output(bt_reset, 1);
- udelay(10);
- gpio_set_value(bt_reset, 0);
- udelay(10);
- gpio_set_value(bt_reset, 1);
- gpio_free(bt_reset);
- }
+ udelay(10);
+ gpio_set_value(bt_reset, 0);
+ udelay(10);
+ gpio_set_value(bt_reset, 1);
+
+ gpio_free(wlan_en);
+ gpio_free(bt_reset);
}
/* MFP */