#include <plat/dma.h>
#include <plat/cpu.h>
#include <plat/mcbsp.h>
-#include <plat/control.h>
+
+#include "control.h"
+
/* McBSP internal signal muxing functions */
v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
if (mux == CLKR_SRC_CLKR)
- v &= OMAP2_MCBSP1_CLKR_MASK;
+ v &= ~OMAP2_MCBSP1_CLKR_MASK;
else if (mux == CLKR_SRC_CLKX)
v |= OMAP2_MCBSP1_CLKR_MASK;
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
if (mux == FSR_SRC_FSR)
- v &= OMAP2_MCBSP1_FSR_MASK;
+ 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);
+/* McBSP CLKS source switching function */
+
+int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
+{
+ struct omap_mcbsp *mcbsp;
+ struct clk *fck_src;
+ char *fck_src_name;
+ int r;
+
+ if (!omap_mcbsp_check_valid_id(id)) {
+ pr_err("%s: Invalid id (%d)\n", __func__, id + 1);
+ return -EINVAL;
+ }
+ mcbsp = id_to_mcbsp_ptr(id);
+
+ if (fck_src_id == MCBSP_CLKS_PAD_SRC)
+ fck_src_name = "pad_fck";
+ else if (fck_src_id == MCBSP_CLKS_PRCM_SRC)
+ fck_src_name = "prcm_fck";
+ else
+ return -EINVAL;
+
+ fck_src = clk_get(mcbsp->dev, fck_src_name);
+ if (IS_ERR_OR_NULL(fck_src)) {
+ pr_err("omap-mcbsp: %s: could not clk_get() %s\n", "clks",
+ fck_src_name);
+ return -EINVAL;
+ }
+
+ clk_disable(mcbsp->fclk);
+
+ r = clk_set_parent(mcbsp->fclk, fck_src);
+ if (IS_ERR_VALUE(r)) {
+ pr_err("omap-mcbsp: %s: could not clk_set_parent() to %s\n",
+ "clks", fck_src_name);
+ clk_put(fck_src);
+ return -EINVAL;
+ }
+
+ clk_enable(mcbsp->fclk);
+
+ clk_put(fck_src);
+
+ return 0;
+}
+EXPORT_SYMBOL(omap2_mcbsp_set_clks_src);
+
+
/* Platform data */
#ifdef CONFIG_ARCH_OMAP2420