[PATCH 2/3] clk: zynqmp: Use firmware specific divider clock flags
Amit Sunil Dhamne
amit.sunil.dhamne at xilinx.com
Mon Jun 29 20:30:13 EDT 2020
From: Rajan Vaja <rajan.vaja at xilinx.com>
Use ZynqMP specific divider clock flags instead of using CCF flags.
Signed-off-by: Rajan Vaja <rajan.vaja at xilinx.com>
Signed-off-by: Amit Sunil Dhamne <amit.sunil.dhamne at xilinx.com>
---
drivers/clk/zynqmp/clk-zynqmp.h | 9 +++++++++
drivers/clk/zynqmp/divider.c | 16 +++++++++++++++-
2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h
index d8e580b..ade5e9e 100644
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -32,6 +32,15 @@
/* 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 66da02b..f15d6b7 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -319,7 +319,21 @@ 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 = 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_ONE_BASED) ?
+ CLK_DIVIDER_ONE_BASED : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO) ?
+ CLK_DIVIDER_POWER_OF_TWO : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_ALLOW_ZERO) ?
+ CLK_DIVIDER_ALLOW_ZERO : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_POWER_OF_TWO) ?
+ CLK_DIVIDER_HIWORD_MASK : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_ROUND_CLOSEST) ?
+ CLK_DIVIDER_ROUND_CLOSEST : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_READ_ONLY) ?
+ CLK_DIVIDER_READ_ONLY : 0;
+ div->flags |= (nodes->type_flag & ZYNQMP_CLK_DIVIDER_MAX_AT_ZERO) ?
+ CLK_DIVIDER_MAX_AT_ZERO : 0;
div->hw.init = &init;
div->clk_id = clk_id;
div->div_type = nodes->type;
--
2.7.4
This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately.
More information about the linux-arm-kernel
mailing list