OMAP: McBSP: implement McBSP CLKR and FSR signal muxing via mach-omap2/mcbsp.c

[pandora-kernel.git] / arch / arm / mach-omap2 / mcbsp.c

diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 88b8790..4c9c999 100644 (file)
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -22,7 +22,37 @@
 #include <plat/dma.h>
 #include <plat/cpu.h>
 #include <plat/mcbsp.h>
+#include <plat/control.h>
 
+/* McBSP internal signal muxing functions */
+
+void omap2_mcbsp1_mux_clkr_src(u8 mux)
+{
+       u32 v;
+
+       v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+       if (mux == CLKR_SRC_CLKR)
+               v &= OMAP2_MCBSP1_CLKR_MASK;
+       else if (mux == CLKR_SRC_CLKX)
+               v |= OMAP2_MCBSP1_CLKR_MASK;
+       omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
+}
+EXPORT_SYMBOL(omap2_mcbsp1_mux_clkr_src);
+
+void omap2_mcbsp1_mux_fsr_src(u8 mux)
+{
+       u32 v;
+
+       v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+       if (mux == FSR_SRC_FSR)
+               v &= OMAP2_MCBSP1_FSR_MASK;
+       else if (mux == FSR_SRC_FSX)
+               v |= OMAP2_MCBSP1_FSR_MASK;
+       omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
+}
+EXPORT_SYMBOL(omap2_mcbsp1_mux_fsr_src);
+
+/* Platform data */
 
 #ifdef CONFIG_ARCH_OMAP2420
 static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {