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Subject[PATCH] clk: aspeed: Add 24MHz fixed clock
Date
Add a 24MHz fixed clock.
This clock will be used for certain devices, e.g. pwm.

Signed-off-by: Lei YU <mine260309@gmail.com>
---
drivers/clk/clk-aspeed.c | 9 ++++++++-
include/dt-bindings/clock/aspeed-clock.h | 1 +
2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 5eb50c3..4664088 100644
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -14,7 +14,7 @@

#include <dt-bindings/clock/aspeed-clock.h>

-#define ASPEED_NUM_CLKS 35
+#define ASPEED_NUM_CLKS 36

#define ASPEED_RESET_CTRL 0x04
#define ASPEED_CLK_SELECTION 0x08
@@ -474,6 +474,13 @@ static int aspeed_clk_probe(struct platform_device *pdev)
return PTR_ERR(hw);
aspeed_clk_data->hws[ASPEED_CLK_BCLK] = hw;

+ /* Fixed 24MHz clock */
+ hw = clk_hw_register_fixed_rate(NULL, "fixed-24m", "clkin",
+ 0, 24000000);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_clk_data->hws[ASPEED_CLK_24M] = hw;
+
/*
* TODO: There are a number of clocks that not included in this driver
* as more information is required:
diff --git a/include/dt-bindings/clock/aspeed-clock.h b/include/dt-bindings/clock/aspeed-clock.h
index d3558d8..ff29d8e 100644
--- a/include/dt-bindings/clock/aspeed-clock.h
+++ b/include/dt-bindings/clock/aspeed-clock.h
@@ -38,6 +38,7 @@
#define ASPEED_CLK_MAC 32
#define ASPEED_CLK_BCLK 33
#define ASPEED_CLK_MPLL 34
+#define ASPEED_CLK_24M 35

#define ASPEED_RESET_XDMA 0
#define ASPEED_RESET_MCTP 1
--
2.7.4
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