[v6,3/4] clk: zynqmp: Use firmware specific mux clock flags

Commit Message

Rajan Vaja June 28, 2021, 7:01 a.m. UTC

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

Signed-off-by: Rajan Vaja <[e-mail]>
---
 drivers/clk/zynqmp/clk-mux-zynqmp.c | 23 ++++++++++++++++++++++-
 drivers/clk/zynqmp/clk-zynqmp.h     |  8 ++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

Comments

Stephen Boyd June 29, 2021, 6:10 a.m. UTC | #1

Quoting Rajan Vaja (2021-06-28 00:01:21)
> Use ZynqMP specific mux clock flags instead of using CCF flags.
> 
> Signed-off-by: Rajan Vaja <[e-mail]>
> ---

Applied to clk-next

Patch

diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c
index a49b1c586d5e..4c28b4d8d122 100644
--- a/drivers/clk/zynqmp/clk-mux-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c
@@ -90,6 +90,27 @@  static const struct clk_ops zynqmp_clk_mux_ro_ops = {
 	.get_parent = zynqmp_clk_mux_get_parent,
 };
 
+static inline unsigned long zynqmp_clk_map_mux_ccf_flags(
+				       const u32 zynqmp_type_flag)
+{
+	unsigned long ccf_flag = 0;
+
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_ONE)
+		ccf_flag |= CLK_MUX_INDEX_ONE;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_BIT)
+		ccf_flag |= CLK_MUX_INDEX_BIT;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_HIWORD_MASK)
+		ccf_flag |= CLK_MUX_HIWORD_MASK;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_READ_ONLY)
+		ccf_flag |= CLK_MUX_READ_ONLY;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_ROUND_CLOSEST)
+		ccf_flag |= CLK_MUX_ROUND_CLOSEST;
+	if (zynqmp_type_flag & ZYNQMP_CLK_MUX_BIG_ENDIAN)
+		ccf_flag |= CLK_MUX_BIG_ENDIAN;
+
+	return ccf_flag;
+}
+
 /**
  * zynqmp_clk_register_mux() - Register a mux table with the clock
  *			       framework
@@ -125,7 +146,7 @@  struct clk_hw *zynqmp_clk_register_mux(const char *name, u32 clk_id,
 
 	init.parent_names = parents;
 	init.num_parents = num_parents;
-	mux->flags = nodes->type_flag;
+	mux->flags = zynqmp_clk_map_mux_ccf_flags(nodes->type_flag);
 	mux->hw.init = &init;
 	mux->clk_id = clk_id;
 
diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h
index 925a727eb383..84fa80a969a9 100644
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -33,6 +33,14 @@ 
 #define ZYNQMP_CLK_DIVIDER_READ_ONLY		BIT(5)
 #define ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO		BIT(6)
 
+/* Type Flags for mux clock */
+#define ZYNQMP_CLK_MUX_INDEX_ONE		BIT(0)
+#define ZYNQMP_CLK_MUX_INDEX_BIT		BIT(1)
+#define ZYNQMP_CLK_MUX_HIWORD_MASK		BIT(2)
+#define ZYNQMP_CLK_MUX_READ_ONLY		BIT(3)
+#define ZYNQMP_CLK_MUX_ROUND_CLOSEST		BIT(4)
+#define ZYNQMP_CLK_MUX_BIG_ENDIAN		BIT(5)
+
 enum topology_type {
 	TYPE_INVALID,
 	TYPE_MUX,