clk: stm32f4: Update DT bindings documentation
Creation of dt include file for specific stm32f4 clocks.
These specific clocks are not derived from system clock (SYSCLOCK)
We should use index 1 to use these clocks in DT.
e.g. <&rcc 1 CLK_LSI>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/include/dt-bindings/clock/stm32fx-clock.h b/include/dt-bindings/clock/stm32fx-clock.h
new file mode 100644
index 0000000..08bcab6
--- /dev/null
+++ b/include/dt-bindings/clock/stm32fx-clock.h
@@ -0,0 +1,39 @@
+/*
+ * stm32fx-clock.h
+ *
+ * Copyright (C) 2016 STMicroelectronics
+ * Author: Gabriel Fernandez for STMicroelectronics.
+ * License terms: GNU General Public License (GPL), version 2
+ */
+
+/*
+ * List of clocks wich are not derived from system clock (SYSCLOCK)
+ *
+ * The index of these clocks is the secondary index of DT bindings
+ * (see Documentatoin/devicetree/bindings/clock/st,stm32-rcc.txt)
+ *
+ * e.g:
+ <assigned-clocks = <&rcc 1 CLK_LSE>;
+*/
+
+#ifndef _DT_BINDINGS_CLK_STMFX_H
+#define _DT_BINDINGS_CLK_STMFX_H
+
+#define SYSTICK 0
+#define FCLK 1
+#define CLK_LSI 2
+#define CLK_LSE 3
+#define CLK_HSE_RTC 4
+#define CLK_RTC 5
+#define PLL_VCO_I2S 6
+#define PLL_VCO_SAI 7
+#define CLK_LCD 8
+#define CLK_I2S 9
+#define CLK_SAI1 10
+#define CLK_SAI2 11
+#define CLK_I2SQ_PDIV 12
+#define CLK_SAIQ_PDIV 13
+
+#define END_PRIMARY_CLK 14
+
+#endif