sh: SH7722 clock framework support.

This adds support for the SH7722 (MobileR) to the clock framework.

Signed-off-by: dmitry pervushin <dimka@nomadgs.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 35 insertions, 1 deletions

diff --git a/include/asm-sh/clock.h b/include/asm-sh/clock.h
index 1df92807f8c5..a5d629f090d4 100644
--- a/include/asm-sh/clock.h
+++ b/include/asm-sh/clock.h
@@ -13,7 +13,7 @@ struct clk_ops {
         void (*enable)(struct clk *clk);
         void (*disable)(struct clk *clk);
         void (*recalc)(struct clk *clk);
-        int (*set_rate)(struct clk *clk, unsigned long rate);
+        int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id);
 };
 
 struct clk {
@@ -50,4 +50,34 @@ void clk_unregister(struct clk *);
 
 int show_clocks(struct seq_file *m);
 
+/* the exported API, in addition to clk_set_rate */
+/**
+ * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter
+ * @clk: clock source
+ * @rate: desired clock rate in Hz
+ * @algo_id: algorithm id to be passed down to ops->set_rate
+ *
+ * Returns success (0) or negative errno.
+ */
+int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id);
+
+enum clk_sh_algo_id {
+        NO_CHANGE = 0,
+
+        IUS_N1_N1,
+        IUS_322,
+        IUS_522,
+        IUS_N11,
+
+        SB_N1,
+
+        SB3_N1,
+        SB3_32,
+        SB3_43,
+        SB3_54,
+
+        BP_N1,
+
+        IP_N1,
+};
 #endif /* __ASM_SH_CLOCK_H */
diff --git a/include/asm-sh/cpu-sh4/freq.h b/include/asm-sh/cpu-sh4/freq.h
index 99402547ed06..86564e7a26ae 100644
--- a/include/asm-sh/cpu-sh4/freq.h
+++ b/include/asm-sh/cpu-sh4/freq.h
@@ -12,6 +12,10 @@
 
 #if defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7722)
 #define FRQCR                   0xa4150000
+#define VCLKCR                  0xa4150004
+#define SCLKACR                 0xa4150008
+#define SCLKBCR                 0xa415000c
+#define IrDACLKCR               0xa4150010
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define FRQCR                   0xffc80000
 #elif defined(CONFIG_CPU_SUBTYPE_SH7785)