[PATCH linux dev-4.13 1/2] clk: aspeed: Add 24MHz fixed clock

[Lei YU]

Add a 24MHz fixed clock.
This clock will be used for certain devices, e.g. pwm.

Signed-off-by: Lei YU <mine260309 at gmail.com>
---
 drivers/clk/clk-aspeed.c                 | 8 +++++++-
 include/dt-bindings/clock/aspeed-clock.h | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index c5d2af2..2ea1ec1 100644
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -23,7 +23,7 @@
 
 #include <dt-bindings/clock/aspeed-clock.h>
 
-#define ASPEED_NUM_CLKS		35
+#define ASPEED_NUM_CLKS		36
 
 #define ASPEED_RESET2_OFFSET	32
 
@@ -517,6 +517,12 @@ 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", NULL, 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 e983d17..9733c77 100644
--- a/include/dt-bindings/clock/aspeed-clock.h
+++ b/include/dt-bindings/clock/aspeed-clock.h
@@ -37,6 +37,7 @@
 #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