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pinctrl: sh-pfc: Add physical pin multiplexing helper macros

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Used by I2C controllers 0, 3 and 5 in R8A7795 and R8A7796 SoCs.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Ulrich Hecht 2018-11-16 15:20:48 +08:00 committed by Geert Uytterhoeven
parent 341fe38975
commit 50d1ba1764
1 changed files with 22 additions and 0 deletions
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22
drivers/pinctrl/sh-pfc/sh_pfc.h
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@ -386,6 +386,28 @@ extern const struct sh_pfc_soc_info shx3_pinmux_info;
#define PINMUX_IPSR_MSEL(ipsr, fn, msel) \
PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr)
/*
* Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with
* an additional select register that controls physical multiplexing
* with another pin.
* - ipsr: IPSR field
* - fn: Function name, also referring to the IPSR field
* - psel: Physical multiplexing selector
* - msel: Module selector
*/
#define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \
PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr)
/*
* Describe a pinmux configuration in which a pin is physically multiplexed
* with other pins.
* - ipsr: IPSR field
* - fn: Function name, also referring to the IPSR field
* - psel: Physical multiplexing selector
*/
#define PINMUX_IPSR_PHYS(ipsr, fn, psel) \
PINMUX_DATA(fn##_MARK, FN_##psel)
/*
* Describe a pinmux configuration for a single-function pin with GPIO
* capability.