clk: zynqmp: Use firmware specific divider clock flags

Use ZynqMP specific divider clock flags instead of using CCF flags.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Link: https://lore.kernel.org/r/20210628070122.26217-3-rajan.vaja@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h
index aa013a5..925a727 100644 (file)
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -24,6 +24,15 @@
 /* do not gate, ever */
 #define ZYNQMP_CLK_IS_CRITICAL         BIT(11)
 
+/* Type Flags for divider clock */
+#define ZYNQMP_CLK_DIVIDER_ONE_BASED           BIT(0)
+#define ZYNQMP_CLK_DIVIDER_POWER_OF_TWO                BIT(1)
+#define ZYNQMP_CLK_DIVIDER_ALLOW_ZERO          BIT(2)
+#define ZYNQMP_CLK_DIVIDER_HIWORD_MASK         BIT(3)
+#define ZYNQMP_CLK_DIVIDER_ROUND_CLOSEST       BIT(4)
+#define ZYNQMP_CLK_DIVIDER_READ_ONLY           BIT(5)
+#define ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO         BIT(6)
+
 enum topology_type {
        TYPE_INVALID,
        TYPE_MUX,

diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index 0becdc0..c07423e 100644 (file)
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -284,6 +284,29 @@ static u32 zynqmp_clk_get_max_divisor(u32 clk_id, u32 type)
        return ret_payload[1];
 }
 
+static inline unsigned long zynqmp_clk_map_divider_ccf_flags(
+                                              const u32 zynqmp_type_flag)
+{
+       unsigned long ccf_flag = 0;
+
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ONE_BASED)
+               ccf_flag |= CLK_DIVIDER_ONE_BASED;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO)
+               ccf_flag |= CLK_DIVIDER_POWER_OF_TWO;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ALLOW_ZERO)
+               ccf_flag |= CLK_DIVIDER_ALLOW_ZERO;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO)
+               ccf_flag |= CLK_DIVIDER_HIWORD_MASK;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_ROUND_CLOSEST)
+               ccf_flag |= CLK_DIVIDER_ROUND_CLOSEST;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_READ_ONLY)
+               ccf_flag |= CLK_DIVIDER_READ_ONLY;
+       if (zynqmp_type_flag & ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO)
+               ccf_flag |= CLK_DIVIDER_MAX_AT_ZERO;
+
+       return ccf_flag;
+}
+
 /**
  * zynqmp_clk_register_divider() - Register a divider clock
  * @name:              Name of this clock
@@ -321,7 +344,7 @@ struct clk_hw *zynqmp_clk_register_divider(const char *name,
        /* struct clk_divider assignments */
        div->is_frac = !!((nodes->flag & CLK_FRAC) |
                          (nodes->custom_type_flag & CUSTOM_FLAG_CLK_FRAC));
-       div->flags = nodes->type_flag;
+       div->flags = zynqmp_clk_map_divider_ccf_flags(nodes->type_flag);
        div->hw.init = &init;
        div->clk_id = clk_id;
        div->div_type = nodes->type;