[PATCH] clk: zynqmp: Add support for custom type flags

From: Rajan Vaja
Date: Thu Nov 07 2019 - 03:59:30 EST


Store extra custom type flags received from firmware.

Signed-off-by: Rajan Vaja <rajan.vaja@xxxxxxxxxx>
Signed-off-by: Jolly Shah <jolly.shah@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
drivers/clk/zynqmp/clkc.c | 8 +++++++-
drivers/clk/zynqmp/divider.c | 4 ++--
2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index a11f93e..0dea55e 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -2,7 +2,7 @@
/*
* Zynq UltraScale+ MPSoC clock controller
*
- * Copyright (C) 2016-2018 Xilinx
+ * Copyright (C) 2016-2019 Xilinx
*
* Based on drivers/clk/zynq/clkc.c
*/
@@ -86,6 +86,8 @@ struct topology_resp {
#define CLK_TOPOLOGY_TYPE GENMASK(3, 0)
#define CLK_TOPOLOGY_FLAGS GENMASK(23, 8)
#define CLK_TOPOLOGY_TYPE_FLAGS GENMASK(31, 24)
+#define CLK_TOPOLOGY_TYPE_FLAG2 GENMASK(7, 4)
+#define CLK_TOPOLOGY_TYPE_FLAG_BITS 8
u32 topology[CLK_GET_TOPOLOGY_RESP_WORDS];
};

@@ -396,6 +398,10 @@ static int __zynqmp_clock_get_topology(struct clock_topology *topology,
topology[*nnodes].type_flag =
FIELD_GET(CLK_TOPOLOGY_TYPE_FLAGS,
response->topology[i]);
+ topology[*nnodes].type_flag |=
+ FIELD_GET(CLK_TOPOLOGY_TYPE_FLAG2,
+ response->topology[i]) <<
+ CLK_TOPOLOGY_TYPE_FLAG_BITS;
(*nnodes)++;
}

diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index d8f5b70d..d376529 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -2,7 +2,7 @@
/*
* Zynq UltraScale+ MPSoC Divider support
*
- * Copyright (C) 2016-2018 Xilinx
+ * Copyright (C) 2016-2019 Xilinx
*
* Adjustable divider clock implementation
*/
@@ -37,7 +37,7 @@
*/
struct zynqmp_clk_divider {
struct clk_hw hw;
- u8 flags;
+ u16 flags;
bool is_frac;
u32 clk_id;
u32 div_type;
--
2.7.4