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

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Date:   Thu,  7 Nov 2019 00:58:06 -0800
From:   Rajan Vaja <rajan.vaja@...inx.com>
To:     mturquette@...libre.com, sboyd@...nel.org, michal.simek@...inx.com,
        jolly.shah@...inx.com, m.tretter@...gutronix.de,
        dan.carpenter@...cle.com, gustavo@...eddedor.com
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Rajan Vaja <rajan.vaja@...inx.com>
Subject: [PATCH] clk: zynqmp: Add support for custom type flags

Store extra custom type flags received from firmware.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
 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