[PATCH] mx31ads: Configure SSI5 pins in IOMUX for PMIC module audio support

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Feb 23 06:05:11 EST 2010


SSI5 on the CPU is connected to the PMIC module to provide audio support
so unconditionally configure the relevant pins on the CPU to route out
the signals.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 arch/arm/mach-mx3/mach-mx31ads.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mx3/mach-mx31ads.c b/arch/arm/mach-mx3/mach-mx31ads.c
index e5423f8..e402e0d 100644
--- a/arch/arm/mach-mx3/mach-mx31ads.c
+++ b/arch/arm/mach-mx3/mach-mx31ads.c
@@ -490,6 +490,19 @@ static void mxc_init_i2c(void)
 }
 #endif
 
+static unsigned int ssi_pins[] = {
+	MX31_PIN_SFS5__SFS5,
+	MX31_PIN_SCK5__SCK5,
+	MX31_PIN_SRXD5__SRXD5,
+	MX31_PIN_STXD5__STXD5,
+};
+
+static void mxc_init_audio(void)
+{
+	mxc_register_device(&imx_ssi_device0, NULL);
+	mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
+}
+
 /*!
  * This structure defines static mappings for the i.MX31ADS board.
  */
@@ -525,6 +538,7 @@ static void __init mxc_board_init(void)
 	mxc_init_extuart();
 	mxc_init_imx_uart();
 	mxc_init_i2c();
+	mxc_init_audio();
 }
 
 static void __init mx31ads_timer_init(void)
-- 
1.7.0




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