[ARM] pxa: AC97 pin functions for Colibri PXA310/320

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 2858a5978709..169ab552c21a 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -144,12 +144,36 @@ static void __init colibri_pxa300_init_lcd(void)
 static inline void colibri_pxa300_init_lcd(void) {}
 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 
+#if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE)
+static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
+        GPIO24_AC97_SYSCLK,
+        GPIO23_AC97_nACRESET,
+        GPIO25_AC97_SDATA_IN_0,
+        GPIO27_AC97_SDATA_OUT,
+        GPIO28_AC97_SYNC,
+        GPIO29_AC97_BITCLK
+};
+
+static inline void __init colibri_pxa310_init_ac97(void)
+{
+        /* no AC97 codec on Colibri PXA300 */
+        if (!cpu_is_pxa310())
+                return;
+
+        pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
+        pxa_set_ac97_info(NULL);
+}
+#else
+static inline void colibri_pxa310_init_ac97(void) {}
+#endif
+
 void __init colibri_pxa300_init(void)
 {
         colibri_pxa300_init_eth();
         colibri_pxa300_init_ohci();
         colibri_pxa300_init_lcd();
         colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
+        colibri_pxa310_init_ac97();
         colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa300_mmc_pin_config),
                                 mfp_to_gpio(MFP_PIN_GPIO13));
 }