linux-kernel - [RESEND PATCH v2 1/2] drivers: clk: zynqmp: Add support for custom type flags

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Message-Id: <1588376610-253693-2-git-send-email-amit.sunil.dhamne@xilinx.com>
Date:   Fri,  1 May 2020 16:43:29 -0700
From:   Amit Sunil Dhamne <amit.sunil.dhamne@...inx.com>
To:     mturquette@...libre.com, sboyd@...eaurora.org,
        michal.simek@...inx.com, mark.rutland@....com,
        linux-clk@...r.kernel.org
Cc:     rajanv@...inx.com, jollys@...inx.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rajan Vaja <rajan.vaja@...inx.com>,
        Tejas Patel <tejas.patel@...inx.com>,
        Jolly Shah <jolly.shah@...inx.com>,
        Amit Sunil Dhamne <amit.sunil.dhamne@...inx.com>
Subject: [RESEND PATCH v2 1/2] drivers: clk: zynqmp: Add support for custom type flags

From: Rajan Vaja <rajan.vaja@...inx.com>

Store extra custom type flags received from firmware.

Signed-off-by: Rajan Vaja <rajan.vaja@...inx.com>
Signed-off-by: Tejas Patel <tejas.patel@...inx.com>
Signed-off-by: Jolly Shah <jolly.shah@...inx.com>
Signed-off-by: Amit Sunil Dhamne <amit.sunil.dhamne@...inx.com>
---
 drivers/clk/zynqmp/clk-zynqmp.h | 1 +
 drivers/clk/zynqmp/clkc.c       | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/clk/zynqmp/clk-zynqmp.h b/drivers/clk/zynqmp/clk-zynqmp.h
index fec9a15..5beeb41 100644
--- a/drivers/clk/zynqmp/clk-zynqmp.h
+++ b/drivers/clk/zynqmp/clk-zynqmp.h
@@ -30,6 +30,7 @@ struct clock_topology {
        u32 type;
        u32 flag;
        u32 type_flag;
+       u8 custom_type_flag;
 };

 struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id,
diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index 10e89f2..4dd8413 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -84,6 +84,7 @@ struct name_resp {

 struct topology_resp {
 #define CLK_TOPOLOGY_TYPE              GENMASK(3, 0)
+#define CLK_TOPOLOGY_CUSTOM_TYPE_FLAGS GENMASK(7, 4)
 #define CLK_TOPOLOGY_FLAGS             GENMASK(23, 8)
 #define CLK_TOPOLOGY_TYPE_FLAGS                GENMASK(31, 24)
        u32 topology[CLK_GET_TOPOLOGY_RESP_WORDS];
@@ -396,6 +397,9 @@ 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].custom_type_flag =
+                       FIELD_GET(CLK_TOPOLOGY_CUSTOM_TYPE_FLAGS,
+                                 response->topology[i]);
                (*nnodes)++;
        }

--
2.7.4

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