[PATCH] ARM: pxa168/gplugd: add the correct SSP device
Eric Miao
eric.y.miao at gmail.com
Sun Nov 13 23:21:28 EST 2011
On Sat, Nov 12, 2011 at 12:02 AM, Tanmay Upadhyay
<tanmay.upadhyay at einfochips.com> wrote:
>
>
> On Friday 11 November 2011 05:49 PM, Eric Miao wrote:
>>
>> There is no SSP0, but SSP2 is used on gplugd.
>>
>> Cc: Tanmay Upadhyay<tanmay.upadhyay at einfochips.com>
>> Signed-off-by: Eric Miao<eric.y.miao at gmail.com>
>> ---
>> arch/arm/mach-mmp/gplugd.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
>> index 6915656..0469c74 100644
>> --- a/arch/arm/mach-mmp/gplugd.c
>> +++ b/arch/arm/mach-mmp/gplugd.c
>> @@ -182,7 +182,7 @@ static void __init gplugd_init(void)
>>
>> /* on-chip devices */
>> pxa168_add_uart(3);
>> - pxa168_add_ssp(0);
>> + pxa168_add_ssp(2);
>> pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
>>
>> pxa168_add_eth(&gplugd_eth_platform_data);
>
> Hi Eric,
>
> HDMI chip (TDA9981A) on gplugD gets audio data from SSP0 - used as I2S. Page
> # 7 of [1] & page # 1 & 3 of [2] indicates this.
Shouldn't this be SSP1 instead, if following the public PXA168 software
manual (there is no SSP0, and the existing code doesn't suppport it)
> SSP2 is also used on gplugD
> as SPI to talk to the NOR flash.
If ignoring this port at this moment, how about the patch below?
ARM: pxa168/gplugd: add the correct SSP device
There is no SSP0, but SSP1 is used on gplugd as an I2S port.
Cc: Tanmay Upadhyay <tanmay.upadhyay at einfochips.com>
Signed-off-by: Eric Miao <eric.y.miao at gmail.com>
diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
index 6915656..4665767 100644
--- a/arch/arm/mach-mmp/gplugd.c
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -182,7 +182,7 @@ static void __init gplugd_init(void)
/* on-chip devices */
pxa168_add_uart(3);
- pxa168_add_ssp(0);
+ pxa168_add_ssp(1);
pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
pxa168_add_eth(&gplugd_eth_platform_data);
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