Re: [PATCHv2] OMAP3: beagle: add support for beagleboard xM revision C

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Hi Koen,

On 05/20/11 13:59, koen@xxxxxxxxxxxxxxxxxxxxx wrote:

> From: Koen Kooi <koen@xxxxxxxxxxxxxxxxxxxxx>
>
> The USB enable GPIO has been inverted and the USER button moved.
>
> Signed-off-by: Koen Kooi <koen@xxxxxxxxxxxxxxxxxxxxx>
> ---
>
> Changes since v1:
> 	Fixed more xM references
>
>  arch/arm/mach-omap2/board-omap3beagle.c |   32 +++++++++++++++++++++++-------
>  1 files changed, 24 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
> index 2de4b02..1eb1e8e 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -62,7 +62,9 @@
>   *	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	= GPIO173, GPIO172, GPIO171: 0 0 0
> + *	XMB	= GPIO173, GPIO172, GPIO171: 0 0 1
> + *  XMC = GPIO173, GPIO172, GPIO171: 0 1 0
>   */
>  enum {
>  	OMAP3BEAGLE_BOARD_UNKN = 0,
> @@ -70,6 +72,7 @@ enum {
>  	OMAP3BEAGLE_BOARD_C1_3,
>  	OMAP3BEAGLE_BOARD_C4,
>  	OMAP3BEAGLE_BOARD_XM,
> +	OMAP3BEAGLE_BOARD_XMC,
>  };
>  
>  static u8 omap3_beagle_version;
> @@ -124,9 +127,17 @@ static void __init omap3_beagle_init_rev(void)
>  		printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
>  		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
>  		break;
> +	case 1:
> +		printk(KERN_INFO "OMAP3 Beagle Rev: xM B\n");
> +		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
> +		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);
> -		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
> +		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd, assuming xM C or newer\n", beagle_rev);

Please, break this line so it will be < 80
and also all occurrences below.

> +		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
>  	}
>  
>  	return;
> @@ -278,7 +289,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
>  {
>  	int r;
>  
> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> +	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {

There is no real need to make it > 80

>  		mmc[0].gpio_wp = -EINVAL;
>  	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
>  		(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
> @@ -298,7 +309,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
>  	/* REVISIT: need ehci-omap hooks for external VBUS
>  	 * power switch and overcurrent detect
>  	 */
> -	if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
> +	if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM && omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XMC) {
>  		r = gpio_request(gpio + 1, "EHCI_nOC");
>  		if (!r) {
>  			r = gpio_direction_input(gpio + 1);
> @@ -320,7 +331,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
>  		gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
>  
>  	/* DVI reset GPIO is different between beagle revisions */
> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
> +	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC)
>  		beagle_dvi_device.reset_gpio = 129;
>  	else
>  		beagle_dvi_device.reset_gpio = 170;
> @@ -334,7 +345,7 @@ static int beagle_twl_gpio_setup(struct device *dev,
>  	 * P7/P8 revisions(prototype): Camera EN
>  	 * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
>  	 */
> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> +	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {
>  		r = gpio_request(gpio + 1, "nDVI_PWR_EN");
>  		if (!r) {
>  			r = gpio_direction_output(gpio + 1, 0);
> @@ -625,7 +636,7 @@ static void __init beagle_opp_init(void)
>  	}
>  
>  	/* Custom OPP enabled for XM */
> -	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> +	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM || omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XMC) {
>  		struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
>  		struct omap_hwmod *dh = omap_hwmod_lookup("iva");
>  		struct device *dev;
> @@ -665,6 +676,11 @@ static void __init omap3_beagle_init(void)
>  	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
>  	omap3_beagle_init_rev();
>  	omap3_beagle_i2c_init();
> +
> +	if (cpu_is_omap3630()) {
> +		gpio_buttons[0].gpio = 4;
> +	}

can't this kind of check be used in all the XM checks above?

> +
>  	platform_add_devices(omap3_beagle_devices,
>  			ARRAY_SIZE(omap3_beagle_devices));
>  	omap_display_init(&beagle_dss_data);

-- 
Regards,
Igor.

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