[PATCH v3 3/3] clk: zynqmp: Use firmware specific mux clock flags
From: Amit Sunil Dhamne
Date: Tue Aug 04 2020 - 02:45:11 EST
From: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Use ZynqMP specific mux clock flags instead of using CCF flags.
Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Tejas Patel <tejas.patel@xxxxxxxxxx>
Signed-off-by: Amit Sunil Dhamne <amit.sunil.dhamne@xxxxxxxxxx>
---
drivers/clk/zynqmp/clk-mux-zynqmp.c | 22 +++++++++++++++++++++-
drivers/clk/zynqmp/clk-zynqmp.h | 8 ++++++++
2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c
index a49b1c5..8a8c960 100644
--- a/drivers/clk/zynqmp/clk-mux-zynqmp.c
+++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c
@@ -90,6 +90,26 @@ 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;
+
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_ONE) ?
+ CLK_MUX_INDEX_ONE : 0;
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_INDEX_BIT) ?
+ CLK_MUX_INDEX_BIT : 0;
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_HIWORD_MASK) ?
+ CLK_MUX_HIWORD_MASK : 0;
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_READ_ONLY) ?
+ CLK_MUX_READ_ONLY : 0;
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_ROUND_CLOSEST) ?
+ CLK_MUX_ROUND_CLOSEST : 0;
+ ccf_flag |= (zynqmp_type_flag & ZYNQMP_CLK_MUX_BIG_ENDIAN) ?
+ CLK_MUX_BIG_ENDIAN : 0;
+ return ccf_flag;
+}
+
/**
* zynqmp_clk_register_mux() - Register a mux table with the clock
* framework
@@ -125,7 +145,7 @@ 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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