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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-14 17:38:05 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-11-14 17:38:05 -0800 |
commit | 42249094f79422fbf5ed4b54eeb48ff096809b8f (patch) | |
tree | 91e6850c8c7e8cc284cf8bb6363f8662f84011f4 /arch/arm/boot/dts/st-pincfg.h | |
parent | 936816161978ca716a56c5e553c68f25972b1e3a (diff) | |
parent | 2c027b7c48a888ab173ba45babb4525e278375d9 (diff) |
Merge branch 'next' into for-linus
Merge first round of changes for 3.13 merge window.
Diffstat (limited to 'arch/arm/boot/dts/st-pincfg.h')
-rw-r--r-- | arch/arm/boot/dts/st-pincfg.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st-pincfg.h b/arch/arm/boot/dts/st-pincfg.h new file mode 100644 index 000000000000..8c45d85ac13e --- /dev/null +++ b/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 << 26) +#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_ */ |