linux-kernel - Re: [PATCH 5/5] ARM: pxa168: aspenite: add board support for keypad

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Message-ID: <AANLkTi=2ZJTy=RD_L0g-HnLF=r27bZLm5hTHemyNQFEi@mail.gmail.com>
Date:	Fri, 3 Sep 2010 00:50:28 -0400
From:	"Mark F. Brown" <mark.brown314@...il.com>
To:	Haojian Zhuang <haojian.zhuang@...il.com>
Cc:	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...vell.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-input <linux-input@...r.kernel.org>
Subject: Re: [PATCH 5/5] ARM: pxa168: aspenite: add board support for keypad

On Tue, Aug 31, 2010 at 1:00 AM, Haojian Zhuang
<haojian.zhuang@...il.com> wrote:
> On Thu, Aug 26, 2010 at 5:18 PM, Mark F. Brown <mark.brown314@...il.com> wrote:
>> Signed-off-by: Mark F. Brown <mark.brown314@...il.com>
>> ---
>>  arch/arm/mach-mmp/aspenite.c |   27 +++++++++++++++++++++++++++
>>  1 files changed, 27 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
>> index 9e1bd6b..1b788c5 100644
>> --- a/arch/arm/mach-mmp/aspenite.c
>> +++ b/arch/arm/mach-mmp/aspenite.c
>> @@ -24,6 +24,8 @@
>>  #include <mach/pxa168.h>
>>  #include <mach/gpio.h>
>>  #include <video/pxa168fb.h>
>> +#include <linux/input.h>
>> +#include <plat/pxa27x_keypad.h>
>>
>>  #include "common.h"
>>
>> @@ -97,6 +99,13 @@ static unsigned long common_pin_config[] __initdata = {
>>        GPIO81_LCD_DD21,
>>        GPIO82_LCD_DD22,
>>        GPIO83_LCD_DD23,
>> +
>> +       /* Keypad */
>> +       GPIO109_KP_MKIN1,
>> +       GPIO110_KP_MKIN0,
>> +       GPIO111_KP_MKOUT7,
>> +       GPIO112_KP_MKOUT6,
>> +       GPIO121_KP_MKIN4,
>>  };
>>
>>  static struct smc91x_platdata smc91x_info = {
>> @@ -193,6 +202,23 @@ struct pxa168fb_mach_info aspenite_lcd_info = {
>>        .invert_pixclock        = 0,
>>  };
>>
>> +static unsigned int aspenite_matrix_key_map[] = {
>> +       KEY(0, 6, KEY_UP),      /* SW 4 */
>> +       KEY(0, 7, KEY_DOWN),    /* SW 5 */
>> +       KEY(1, 6, KEY_LEFT),    /* SW 6 */
>> +       KEY(1, 7, KEY_RIGHT),   /* SW 7 */
>> +       KEY(4, 6, KEY_ENTER),   /* SW 8 */
>> +       KEY(4, 7, KEY_ESC),     /* SW 9 */
>> +};
>> +
>> +static struct pxa27x_keypad_platform_data aspenite_keypad_info __initdata = {
>> +       .matrix_key_rows        = 8,
>> +       .matrix_key_cols        = 8,
> It seems that maxium columns is 5, not 8.
>
>> +       .matrix_key_map         = aspenite_matrix_key_map,
>> +       .matrix_key_map_size    = ARRAY_SIZE(aspenite_matrix_key_map),
>> +       .debounce_interval      = 30,
>> +};
>> +
>>  static void __init common_init(void)
>>  {
>>        mfp_config(ARRAY_AND_SIZE(common_pin_config));
>> @@ -203,6 +229,7 @@ static void __init common_init(void)
>>        pxa168_add_ssp(1);
>>        pxa168_add_nand(&aspenite_nand_info);
>>        pxa168_add_fb(&aspenite_lcd_info);
>> +       pxa168_add_keypad(&aspenite_keypad_info);
>>
>>        /* off-chip devices */
>>        platform_device_register(&smc91x_device);
>> --
>> 1.7.0.4
>>
>> --
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>>
>
The maximum keypad columns are 8 and the maximum keypad rows are 5 for
Aspenite. I will correct that in my patch resubmission!

Regards,
-- Mark
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