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-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h5
-rw-r--r--arch/arm/plat-omap/mcbsp.c33
2 files changed, 26 insertions, 12 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index af5824a38f9d..c8ebfc9e92ff 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -296,7 +296,6 @@ typedef enum {
struct omap_mcbsp_ops {
void (*request)(unsigned int);
void (*free)(unsigned int);
- int (*set_clks_src)(u8, u8);
};
struct omap_mcbsp_platform_data {
@@ -309,6 +308,7 @@ struct omap_mcbsp_platform_data {
bool has_wakeup; /* Wakeup capability */
bool has_ccr; /* Transceiver has configuration control registers */
int (*enable_st_clock)(unsigned int, bool);
+ int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
};
struct omap_mcbsp_st_data {
@@ -359,9 +359,6 @@ struct omap_mcbsp_dev_attr {
extern struct omap_mcbsp **mcbsp_ptr;
extern int omap_mcbsp_count;
-#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count)
-#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
-
int omap_mcbsp_init(void);
void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index f92227f99f86..38b67d9be5b3 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -29,6 +29,9 @@
struct omap_mcbsp **mcbsp_ptr;
int omap_mcbsp_count;
+#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count)
+#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
+
static void omap_mcbsp_write(struct omap_mcbsp *mcbsp, u16 reg, u32 val)
{
void __iomem *addr = mcbsp->io_base + reg * mcbsp->pdata->reg_step;
@@ -894,18 +897,32 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx)
}
EXPORT_SYMBOL(omap_mcbsp_stop);
-/*
- * The following functions are only required on an OMAP1-only build.
- * mach-omap2/mcbsp.c contains the real functions
- */
-#ifndef CONFIG_ARCH_OMAP2PLUS
int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
{
- WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
- __func__);
- return -EINVAL;
+ struct omap_mcbsp *mcbsp;
+ const char *src;
+
+ 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)
+ src = "clks_ext";
+ else if (fck_src_id == MCBSP_CLKS_PRCM_SRC)
+ src = "clks_fclk";
+ else
+ return -EINVAL;
+
+ if (mcbsp->pdata->set_clk_src)
+ return mcbsp->pdata->set_clk_src(mcbsp->dev, mcbsp->fclk, src);
+ else
+ return -EINVAL;
}
+EXPORT_SYMBOL(omap2_mcbsp_set_clks_src);
+#ifndef CONFIG_ARCH_OMAP2PLUS
void omap2_mcbsp1_mux_clkr_src(u8 mux)
{
WARN(1, "%s: should never be called on an OMAP1-only kernel\n",