Re: Re: Ping-> Subject: [PATCH] omap: omap3evm: add support for the WL12xx WLAN module to the omap3evm

Eyal Reizer
2011-02-27T10:45:33Z

This patch is again current omap-for-linus branch

Adds platform initialization for working with the WLAN module
attached to the omap3evm.
The patch includes MMC2 initialization, SDIO and control pins
muxing and platform device registration.

Signed-off-by: Eyal Reizer <eyalr@ti.com>
---
arch/arm/mach-omap2/board-omap3evm.c | 32 ++++++++++++++++++++++----------
1 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 5364147..7341f96 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -411,7 +411,7 @@ static struct omap2_hsmmc_info mmc[] = {
#ifdef CONFIG_WL12XX_PLATFORM_DATA
{
.name = "wl1271",
- .mmc = 2,
+ .mmc = 2,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
.gpio_wp = -EINVAL,
.gpio_cd = -EINVAL,
@@ -603,10 +603,8 @@ static struct regulator_init_data omap3evm_vio = {
#define OMAP3EVM_WLAN_PMENA_GPIO (150)
#define OMAP3EVM_WLAN_IRQ_GPIO (149)

-static struct regulator_consumer_supply omap3evm_vmmc2_supply = {
- .supply = "vmmc",
- .dev_name = "mmci-omap-hs.1",
-};
+static struct regulator_consumer_supply omap3evm_vmmc2_supply =
+ REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");

/* VMMC2 for driving the WL12xx module */
static struct regulator_init_data omap3evm_vmmc2 = {
@@ -627,7 +625,7 @@ static struct fixed_voltage_config omap3evm_vwlan = {
.init_data = &omap3evm_vmmc2,
};

-static struct platform_device omap3evm_vwlan_device = {
+static struct platform_device omap3evm_wlan_regulator = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
@@ -637,8 +635,7 @@ static struct platform_device omap3evm_vwlan_device = {

struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
.irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO),
- /* ref clock is 38.4 MHz */
- .board_ref_clock = 2,
+ .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
};
#endif

@@ -765,7 +762,7 @@ static struct omap_board_mux omap35x_board_mux[] __initdata = {
OMAP_PIN_OFF_NONE),
#ifdef CONFIG_WL12XX_PLATFORM_DATA
/* WLAN IRQ - GPIO 149 */
- OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

/* WLAN POWER ENABLE - GPIO 150 */
OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
@@ -801,6 +798,21 @@ static struct omap_board_mux omap36x_board_mux[] __initdata = {
OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
+#ifdef CONFIG_WL12XX_PLATFORM_DATA
+ /* WLAN IRQ - GPIO 149 */
+ OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+
+ /* WLAN POWER ENABLE - GPIO 150 */
+ OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+
+ /* MMC2 SDIO pin muxes for WL12xx */
+ OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+ OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
+#endif

{ .reg_offset = OMAP_MUX_TERMINATOR },
};
@@ -871,7 +883,7 @@ static void __init omap3_evm_init(void)
/* WL12xx WLAN Init */
if (wl12xx_set_platform_data(&omap3evm_wlan_data))
pr_err("error setting wl12xx data\n");
- platform_device_register(&omap3evm_vwlan_device);
+ platform_device_register(&omap3evm_wlan_regulator);
#endif
}

--
1.7.0.4