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-rw-r--r--arch/arm/mach-pxa/pxa27x.c19
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