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| author |   Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2016-03-23 16:06:00 +0200 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert+renesas@glider.be> | 2016-03-29 09:23:01 +0200 |
| commit | 3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1 (patch) | |
| tree | bba9820da349807a8581fdd59235406fcad48e40 /drivers/pinctrl/sh-pfc/core.c | |
| parent | pinctrl: sh-pfc: IPSRx and MOD_SELx should be set before GPSRx (diff) | |
| download | linux-dev-3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1.tar.xz linux-dev-3caa7d8c3f03ad6f1b66f10f67dc68cb3af55fe1.zip | |
pinctrl: sh-pfc: Add drive strength support
Add support for the drive-strengh pin configuration using the generic
pinconf DT bindings.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/core.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index dc3609f0c60b..0497bbb8a8e7 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -175,6 +175,21 @@ void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width, BUG(); } +u32 sh_pfc_read_reg(struct sh_pfc *pfc, u32 reg, unsigned int width) +{ + return sh_pfc_read_raw_reg(sh_pfc_phys_to_virt(pfc, reg), width); +} + +void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width, u32 data) +{ + if (pfc->info->unlock_reg) + sh_pfc_write_raw_reg( + sh_pfc_phys_to_virt(pfc, pfc->info->unlock_reg), 32, + ~data); + + sh_pfc_write_raw_reg(sh_pfc_phys_to_virt(pfc, reg), width, data); +} + static void sh_pfc_config_reg_helper(struct sh_pfc *pfc, const struct pinmux_cfg_reg *crp, unsigned int in_pos, |