Re: [RFC/PATCH] ARM: OMAP2+: Add chip_select to ads7846 init

From: Tony Lindgren
Date: Thu Dec 08 2011 - 19:37:51 EST


* Thomas Weber <weber@xxxxxxxxxxxxx> [111103 13:46]:
> This patch adds the chip_select as parameter to
> omap_ads7846_init.
> All existing omap2-boards use chip select 0 on
> different spi busses. I work on bringing a board
> mainline where the ads7846 is connected to
> chip select 1. This patch prepares the omap_ads7846_init
> function for this board.
>
> Signed-off-by: Thomas Weber <weber@xxxxxxxxxxxxx>
> ---
> arch/arm/mach-omap2/board-3430sdp.c | 2 +-
> arch/arm/mach-omap2/board-cm-t35.c | 2 +-
> arch/arm/mach-omap2/board-devkit8000.c | 2 +-
> arch/arm/mach-omap2/board-ldp.c | 2 +-
> arch/arm/mach-omap2/board-omap3evm.c | 2 +-
> arch/arm/mach-omap2/board-omap3pandora.c | 2 +-
> arch/arm/mach-omap2/board-omap3stalker.c | 2 +-
> arch/arm/mach-omap2/board-omap3touchbook.c | 2 +-
> arch/arm/mach-omap2/board-overo.c | 2 +-
> arch/arm/mach-omap2/common-board-devices.c | 13 ++++++++-----
> arch/arm/mach-omap2/common-board-devices.h | 3 ++-
> 11 files changed, 19 insertions(+), 15 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
> index 77142c1..dec6407 100644
> --- a/arch/arm/mach-omap2/board-3430sdp.c
> +++ b/arch/arm/mach-omap2/board-3430sdp.c
> @@ -710,7 +710,7 @@ static void __init omap_3430sdp_init(void)
> gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV2;
> else
> gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV1;
> - omap_ads7846_init(1, gpio_pendown, 310, NULL);
> + omap_ads7846_init(1, 0, gpio_pendown, 310, NULL);
> board_serial_init();
> omap_sdrc_init(hyb18m512160af6_sdrc_params, NULL);
> usb_musb_init(NULL);

This seems OK to me until we have device tree bindings for
this.

Regards,

Tony
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