clk: new driver for efm32 SoC

This patch adds support for the clocks provided by the Clock Management
Unit of Energy Micro's efm32 Giant Gecko SoCs including device tree
bindings.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/efm32-cmu.h b/include/dt-bindings/clock/efm32-cmu.h
new file mode 100644
index 000000000000..b21b91e736af
--- /dev/null
+++ b/include/dt-bindings/clock/efm32-cmu.h
@@ -0,0 +1,42 @@
+#ifndef __DT_BINDINGS_CLOCK_EFM32_CMU_H
+#define __DT_BINDINGS_CLOCK_EFM32_CMU_H
+
+#define clk_HFXO                0
+#define clk_HFRCO               1
+#define clk_LFXO                2
+#define clk_LFRCO               3
+#define clk_ULFRCO              4
+#define clk_AUXHFRCO            5
+#define clk_HFCLKNODIV          6
+#define clk_HFCLK               7
+#define clk_HFPERCLK            8
+#define clk_HFCORECLK           9
+#define clk_LFACLK              10
+#define clk_LFBCLK              11
+#define clk_WDOGCLK             12
+#define clk_HFCORECLKDMA        13
+#define clk_HFCORECLKAES        14
+#define clk_HFCORECLKUSBC       15
+#define clk_HFCORECLKUSB        16
+#define clk_HFCORECLKLE         17
+#define clk_HFCORECLKEBI        18
+#define clk_HFPERCLKUSART0      19
+#define clk_HFPERCLKUSART1      20
+#define clk_HFPERCLKUSART2      21
+#define clk_HFPERCLKUART0       22
+#define clk_HFPERCLKUART1       23
+#define clk_HFPERCLKTIMER0      24
+#define clk_HFPERCLKTIMER1      25
+#define clk_HFPERCLKTIMER2      26
+#define clk_HFPERCLKTIMER3      27
+#define clk_HFPERCLKACMP0       28
+#define clk_HFPERCLKACMP1       29
+#define clk_HFPERCLKI2C0        30
+#define clk_HFPERCLKI2C1        31
+#define clk_HFPERCLKGPIO        32
+#define clk_HFPERCLKVCMP        33
+#define clk_HFPERCLKPRS         34
+#define clk_HFPERCLKADC0        35
+#define clk_HFPERCLKDAC0        36
+
+#endif /* __DT_BINDINGS_CLOCK_EFM32_CMU_H */