[PATCH] omap3: Adding vdd_sdi regulator supply to OMAP3EVM
Bryan Wu
bryan.wu at canonical.com
Mon Feb 21 07:02:24 UTC 2011
Hi, would you guys take a look at this?
Thanks,
-Bryan
On Thu, Feb 17, 2011 at 4:11 PM, Bryan Wu <bryan.wu at canonical.com> wrote:
> From: Mathieu J. Poirier <mathieu.poirier at canonical.com>
>
> https://bugs.launchpad.net/bugs/630885
>
> When booting, the omapdss subsystem is looking for a regulator named
> "vdds_sdi". When the regulator is not found the initialisation sequence
> is aborted resulting in omapfb not finding a display to work with. This
> patch allows the omapfb sub system to complete its initialisation
> properly and enable LCD display. The problem was fixed by lumping a
> "vdds_sdi" with the already existing "vdds_dsi" regulator. This fix
> takes its root from work done on the Beagle board and the Pandora board.
>
> Signed-off-by: Mathieu Poirier <mathieu.poirier at canonical.com>
> Signed-off-by: Andy Whitcroft <apw at canonical.com>
> Signed-off-by: Bryan Wu <bryan.wu at canonical.com>
> ---
> arch/arm/mach-omap2/board-omap3evm.c | 10 ++++++----
> 1 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
> index c2a0fca..8b8eb36 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -521,8 +521,10 @@ static struct regulator_init_data omap3_evm_vdac = {
> };
>
> /* VPLL2 for digital video outputs */
> -static struct regulator_consumer_supply omap3_evm_vpll2_supply =
> - REGULATOR_SUPPLY("vdds_dsi", "omapdss");
> +static struct regulator_consumer_supply omap3_evm_vdds_supplies[] = {
> + REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
> + REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
> +};
>
> static struct regulator_init_data omap3_evm_vpll2 = {
> .constraints = {
> @@ -534,8 +536,8 @@ static struct regulator_init_data omap3_evm_vpll2 = {
> .valid_ops_mask = REGULATOR_CHANGE_MODE
> | REGULATOR_CHANGE_STATUS,
> },
> - .num_consumer_supplies = 1,
> - .consumer_supplies = &omap3_evm_vpll2_supply,
> + .num_consumer_supplies = ARRAY_SIZE(omap3_evm_vdds_supplies),
> + .consumer_supplies = omap3_evm_vdds_supplies,
> };
>
> static struct twl4030_platform_data omap3evm_twldata = {
> --
> 1.7.1
>
> --
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