> -----Original Message-----
> From: Fernandes, Joel A
> Sent: Tuesday, June 07, 2011 4:55 PM
> To: [email protected]
> Cc: Kridner, Jason; Kooi, Koen; [email protected]
> Subject: [PATCH v7] OMAP3: beagle: add support for beagleboard xM
> revision C
>
> OMAP3: beagle: add support for beagleboard xM revision C
>
> The USB enable GPIO has been in beagleboard xM revision C.
> The USER button has been moved since beagleboard xM.
> Also, board specific initialization has been moved to beagle_config
> struct
> and initialized in omap3_beagle_init_rev. Default values in struct are
> for xMC.
>
> Signed-off-by: Joel A Fernandes <[email protected]>
> Signed-off-by: Koen Kooi <[email protected]>
Hope this isn't considered noise, but...
Ack.
> ---
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-
> omap2/board-omap3beagle.c
> index 7f21d24..4b113b2 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -61,7 +61,8 @@
> * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
> * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
> * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
> - * XM = GPIO173, GPIO172, GPIO171: 0 0 0
> + * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
> + * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
> */
> enum {
> OMAP3BEAGLE_BOARD_UNKN = 0,
> @@ -69,14 +70,26 @@ enum {
> OMAP3BEAGLE_BOARD_C1_3,
> OMAP3BEAGLE_BOARD_C4,
> OMAP3BEAGLE_BOARD_XM,
> + OMAP3BEAGLE_BOARD_XMC,
> };
>
> static u8 omap3_beagle_version;
>
> -static u8 omap3_beagle_get_rev(void)
> -{
> - return omap3_beagle_version;
> -}
> +/*
> + * Board-specific configuration
> + * Defaults to BeagleBoard-xMC
> + */
> +static struct {
> + int mmc1_gpio_wp;
> + int usb_pwr_level;
> + int reset_gpio;
> + int usr_button_gpio;
> +} beagle_config = {
> + .mmc1_gpio_wp = -EINVAL,
> + .usb_pwr_level = GPIOF_OUT_INIT_LOW,
> + .reset_gpio = 129,
> + .usr_button_gpio = 4,
> +};
>
> static struct gpio omap3_beagle_rev_gpios[] __initdata = {
> { 171, GPIOF_IN, "rev_id_0" },
> @@ -111,18 +124,32 @@ static void __init omap3_beagle_init_rev(void)
> case 7:
> printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
> omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
> + beagle_config.mmc1_gpio_wp = 29;
> + beagle_config.reset_gpio = 170;
> + beagle_config.usr_button_gpio = 7;
> break;
> case 6:
> printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
> omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
> + beagle_config.mmc1_gpio_wp = 23;
> + beagle_config.reset_gpio = 170;
> + beagle_config.usr_button_gpio = 7;
> break;
> case 5:
> printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
> omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
> + beagle_config.mmc1_gpio_wp = 23;
> + beagle_config.reset_gpio = 170;
> + beagle_config.usr_button_gpio = 7;
> break;
> case 0:
> - printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
> + printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
> omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
> + beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
> + break;
> + case 2:
> + printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
> + omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
> break;
> default:
> printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n",
> beagle_rev);
> @@ -234,7 +261,7 @@ static struct omap2_hsmmc_info mmc[] = {
> {
> .mmc = 1,
> .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
> - .gpio_wp = 29,
> + .gpio_wp = -EINVAL,
> },
> {} /* Terminator */
> };
> @@ -252,17 +279,11 @@ static struct gpio_led gpio_leds[];
> static int beagle_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> - int r, usb_pwr_level;
> -
> - if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> - mmc[0].gpio_wp = -EINVAL;
> - } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3)
> ||
> - (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
> - omap_mux_init_gpio(23, OMAP_PIN_INPUT);
> - mmc[0].gpio_wp = 23;
> - } else {
> - omap_mux_init_gpio(29, OMAP_PIN_INPUT);
> - }
> + int r;
> +
> + if (beagle_config.mmc1_gpio_wp != -EINVAL)
> + omap_mux_init_gpio(beagle_config.mmc1_gpio_wp,
> OMAP_PIN_INPUT);
> + mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
> /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> mmc[0].gpio_cd = gpio + 0;
> omap2_hsmmc_init(mmc);
> @@ -276,9 +297,8 @@ static int beagle_twl_gpio_setup(struct device *dev,
> * high / others active low)
> * DVI reset GPIO is different between beagle revisions
> */
> - if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> - usb_pwr_level = GPIOF_OUT_INIT_HIGH;
> - beagle_dvi_device.reset_gpio = 129;
> + /* Valid for all -xM revisions */
> + if (cpu_is_omap3630()) {
> /*
> * gpio + 1 on Xm controls the TFP410's enable line
> (active low)
> * gpio + 2 control varies depending on the board rev as
> below:
> @@ -296,8 +316,6 @@ static int beagle_twl_gpio_setup(struct device *dev,
> pr_err("%s: unable to configure DVI_LDO_EN\n",
> __func__);
> } else {
> - usb_pwr_level = GPIOF_OUT_INIT_LOW;
> - beagle_dvi_device.reset_gpio = 170;
> /*
> * REVISIT: need ehci-omap hooks for external VBUS
> * power switch and overcurrent detect
> @@ -305,8 +323,10 @@ static int beagle_twl_gpio_setup(struct device
> *dev,
> if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
> pr_err("%s: unable to configure EHCI_nOC\n",
> __func__);
> }
> + beagle_dvi_device.reset_gpio = beagle_config.reset_gpio;
>
> - gpio_request_one(gpio + TWL4030_GPIO_MAX, usb_pwr_level,
> "nEN_USB_PWR");
> + gpio_request_one(gpio + TWL4030_GPIO_MAX,
> beagle_config.usb_pwr_level,
> + "nEN_USB_PWR");
>
> /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED)
> */
> gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> @@ -458,7 +478,8 @@ static struct platform_device leds_gpio = {
> static struct gpio_keys_button gpio_buttons[] = {
> {
> .code = BTN_EXTRA,
> - .gpio = 7,
> + /* Dynamically assigned depending on board */
> + .gpio = -EINVAL,
> .desc = "user",
> .wakeup = 1,
> },
> @@ -525,8 +546,8 @@ static void __init beagle_opp_init(void)
> return;
> }
>
> - /* Custom OPP enabled for XM */
> - if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> + /* Custom OPP enabled for all xM versions */
> + if (cpu_is_omap3630()) {
> struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
> struct omap_hwmod *dh = omap_hwmod_lookup("iva");
> struct device *dev;
> @@ -566,6 +587,9 @@ static void __init omap3_beagle_init(void)
> omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
> omap3_beagle_init_rev();
> omap3_beagle_i2c_init();
> +
> + gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
> +
> platform_add_devices(omap3_beagle_devices,
> ARRAY_SIZE(omap3_beagle_devices));
> omap_display_init(&beagle_dss_data);
--
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