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authorLei YU2018-05-18 16:57:02 +0800
committerStephen Boyd2018-06-01 12:18:42 -0700
commit67b6e5cfdb1fb2607a20e1e002719f01b025b197 (patch)
tree5a91f034ed19fff3d8ae12959d1dfa9ee7a48730 /drivers/clk
parent60cc43fc888428bb2f18f08997432d426a243338 (diff)
clk: aspeed: Add 24MHz fixed clock
Add a 24MHz fixed clock. This clock will be used for certain devices, e.g. pwm. Signed-off-by: Lei YU <mine260309@gmail.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-aspeed.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 5eb50c31e455..466408825406 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: