[ARM] pxa: introduce processor specific pxa27x_assert_ac97reset()

This is really pxa27x specific and should be kept in pxa27x.c. With this
newly introduced function, the original set_resetgpio_mode() is deprecated.

Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 6a0b73167e03..7c53543ba2de 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -40,6 +40,25 @@ void pxa27x_clear_otgph(void)
 }
 EXPORT_SYMBOL(pxa27x_clear_otgph);
 
+static unsigned long ac97_reset_config[] = {
+        GPIO95_AC97_nRESET,
+        GPIO95_GPIO,
+        GPIO113_AC97_nRESET,
+        GPIO113_GPIO,
+};
+
+void pxa27x_assert_ac97reset(int reset_gpio, int on)
+{
+        if (reset_gpio == 113)
+                pxa2xx_mfp_config(on ? &ac97_reset_config[0] :
+                                       &ac97_reset_config[1], 1);
+
+        if (reset_gpio == 95)
+                pxa2xx_mfp_config(on ? &ac97_reset_config[2] :
+                                       &ac97_reset_config[3], 1);
+}
+EXPORT_SYMBOL_GPL(pxa27x_assert_ac97reset);
+
 /* Crystal clock: 13MHz */
 #define BASE_CLK        13000000