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Subject[PATCH v4 3/3] clk: zynqmp: Use firmware specific mux clock flags
Date
From: Rajan Vaja <rajan.vaja@xilinx.com>

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

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Amit Sunil Dhamne <amit.sunil.dhamne@xilinx.com>
---
drivers/clk/zynqmp/clk-mux-zynqmp.c | 23 ++++++++++++++++++++++-
drivers/clk/zynqmp/clk-zynqmp.h | 8 ++++++++
2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c
index a49b1c5..4c28b4d 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 9b2ff35e..87a2e12 100644
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -41,6 +41,14 @@
#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,
--
2.7.4
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