Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / boot / dts / st-pincfg.h

diff --git a/kernel/arch/arm/boot/dts/st-pincfg.h b/kernel/arch/arm/boot/dts/st-pincfg.h
new file mode 100644 (file)
index 0000000..4851c38
--- /dev/null
+++ b/kernel/arch/arm/boot/dts/st-pincfg.h
@@ -0,0 +1,71 @@
+#ifndef _ST_PINCFG_H_
+#define _ST_PINCFG_H_
+
+/* Alternate functions */
+#define ALT1   1
+#define ALT2   2
+#define ALT3   3
+#define ALT4   4
+#define ALT5   5
+#define ALT6   6
+#define ALT7   7
+
+/* Output enable */
+#define OE                     (1 << 27)
+/* Pull Up */
+#define PU                     (1 << 26)
+/* Open Drain */
+#define OD                     (1 << 25)
+#define RT                     (1 << 23)
+#define INVERTCLK              (1 << 22)
+#define CLKNOTDATA             (1 << 21)
+#define DOUBLE_EDGE            (1 << 20)
+#define CLK_A                  (0 << 18)
+#define CLK_B                  (1 << 18)
+#define CLK_C                  (2 << 18)
+#define CLK_D                  (3 << 18)
+
+/* User-frendly defines for Pin Direction */
+               /* oe = 0, pu = 0, od = 0 */
+#define IN                     (0)
+               /* oe = 0, pu = 1, od = 0 */
+#define IN_PU                  (PU)
+               /* oe = 1, pu = 0, od = 0 */
+#define OUT                    (OE)
+               /* oe = 1, pu = 0, od = 1 */
+#define BIDIR                  (OE | OD)
+               /* oe = 1, pu = 1, od = 1 */
+#define BIDIR_PU               (OE | PU | OD)
+
+/* RETIME_TYPE */
+/*
+ * B Mode
+ * Bypass retime with optional delay parameter
+ */
+#define BYPASS         (0)
+/*
+ * R0, R1, R0D, R1D modes
+ * single-edge data non inverted clock, retime data with clk
+ */
+#define SE_NICLK_IO    (RT)
+/*
+ * RIV0, RIV1, RIV0D, RIV1D modes
+ * single-edge data inverted clock, retime data with clk
+ */
+#define SE_ICLK_IO     (RT | INVERTCLK)
+/*
+ * R0E, R1E, R0ED, R1ED modes
+ * double-edge data, retime data with clk
+ */
+#define DE_IO          (RT | DOUBLE_EDGE)
+/*
+ * CIV0, CIV1 modes with inverted clock
+ * Retiming the clk pins will park clock & reduce the noise within the core.
+ */
+#define ICLK           (RT | CLKNOTDATA | INVERTCLK)
+/*
+ * CLK0, CLK1 modes with non-inverted clock
+ * Retiming the clk pins will park clock & reduce the noise within the core.
+ */
+#define NICLK          (RT | CLKNOTDATA)
+#endif /* _ST_PINCFG_H_ */