ARM: OMAP2+: PRCM: split PRCM module init to their own driver files

Splits the clock related provider module inits under their own driver files.
Previously this was done for all modules under the common PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index da041b4ab29c..e8818242f968 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -14,6 +14,7 @@
 
 #include <linux/kernel.h>
 #include <linux/io.h>
+#include <linux/of_address.h>
 
 #include "soc.h"
 #include "iomap.h"
@@ -25,6 +26,7 @@
 #include "sdrc.h"
 #include "pm.h"
 #include "control.h"
+#include "clock.h"
 
 /* Used by omap3_ctrl_save_padconf() */
 #define START_PADCONF_SAVE              0x2
@@ -611,3 +613,48 @@ void __init omap3_ctrl_init(void)
         omap3_ctrl_setup_d2d_padconf();
 }
 #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
+
+struct control_init_data {
+        int index;
+};
+
+static struct control_init_data ctrl_data = {
+        .index = TI_CLKM_CTRL,
+};
+
+static const struct of_device_id omap_scrm_dt_match_table[] = {
+        { .compatible = "ti,am3-scrm", .data = &ctrl_data },
+        { .compatible = "ti,am4-scrm", .data = &ctrl_data },
+        { .compatible = "ti,omap2-scrm", .data = &ctrl_data },
+        { .compatible = "ti,omap3-scrm", .data = &ctrl_data },
+        { }
+};
+
+/**
+ * omap_control_init - low level init for the control driver
+ *
+ * Initializes the low level clock infrastructure for control driver.
+ * Returns 0 in success, negative error value in failure.
+ */
+int __init omap_control_init(void)
+{
+        struct device_node *np;
+        void __iomem *mem;
+        const struct of_device_id *match;
+        const struct omap_prcm_init_data *data;
+        int ret;
+
+        for_each_matching_node_and_match(np, omap_scrm_dt_match_table, &match) {
+                data = match->data;
+
+                mem = of_iomap(np, 0);
+                if (!mem)
+                        return -ENOMEM;
+
+                ret = omap2_clk_provider_init(np, data->index, mem);
+                if (ret)
+                        return ret;
+        }
+
+        return 0;
+}