clk: ux500: Support for prmcu_rate clock

The prmcu_rate clock is not gateable and has a rate which
only can be fetched.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

2 files changed, 19 insertions, 0 deletions

diff --git a/drivers/clk/ux500/clk-prcmu.c b/drivers/clk/ux500/clk-prcmu.c
index 1d779ad12169..930cdfeb47ab 100644
--- a/drivers/clk/ux500/clk-prcmu.c
+++ b/drivers/clk/ux500/clk-prcmu.c
@@ -153,6 +153,11 @@ static struct clk_ops clk_prcmu_gate_ops = {
         .recalc_rate = clk_prcmu_recalc_rate,
 };
 
+static struct clk_ops clk_prcmu_rate_ops = {
+        .is_enabled = clk_prcmu_is_enabled,
+        .recalc_rate = clk_prcmu_recalc_rate,
+};
+
 static struct clk_ops clk_prcmu_opp_gate_ops = {
         .prepare = clk_prcmu_opp_prepare,
         .unprepare = clk_prcmu_opp_unprepare,
@@ -228,6 +233,15 @@ struct clk *clk_reg_prcmu_gate(const char *name,
                         &clk_prcmu_gate_ops);
 }
 
+struct clk *clk_reg_prcmu_rate(const char *name,
+                               const char *parent_name,
+                               u8 cg_sel,
+                               unsigned long flags)
+{
+        return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags,
+                        &clk_prcmu_rate_ops);
+}
+
 struct clk *clk_reg_prcmu_opp_gate(const char *name,
                                    const char *parent_name,
                                    u8 cg_sel,
diff --git a/drivers/clk/ux500/clk.h b/drivers/clk/ux500/clk.h
index 32085aa98865..836d7d16751e 100644
--- a/drivers/clk/ux500/clk.h
+++ b/drivers/clk/ux500/clk.h
@@ -35,6 +35,11 @@ struct clk *clk_reg_prcmu_gate(const char *name,
                                u8 cg_sel,
                                unsigned long flags);
 
+struct clk *clk_reg_prcmu_rate(const char *name,
+                               const char *parent_name,
+                               u8 cg_sel,
+                               unsigned long flags);
+
 struct clk *clk_reg_prcmu_opp_gate(const char *name,
                                    const char *parent_name,
                                    u8 cg_sel,