diff options
| author | Marek Vasut | 2019-02-23 23:39:55 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven | 2019-03-18 16:56:50 +0100 |
| commit | d92ee9cf8ec8d7fe1d7dbc4b3ee459419b1e5533 (patch) | |
| tree | ad4845a5740de9f5419f41bd2bf4c5813dd8aafa /drivers/pinctrl/sh-pfc/pfc-r8a77995.c | |
| parent | 2cee6cb290ab30f2f3a69866d24ca6cb64b1d7e8 (diff) | |
pinctrl: sh-pfc: rcar-gen3: Retain TDSELCTRL register across suspend/resume
The TDSELCTRL register is responsible for configuring the SDHI/MMC clock
return path delay and may be adjusted by the bootloader. Retain the value
across suspend/resume to prevent hardware instability after resume.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl/sh-pfc/pfc-r8a77995.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a77995.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c index 9e377e3b9cb3..0acdfb8bf077 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c @@ -2833,6 +2833,15 @@ static int r8a77995_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *po return bit; } +enum ioctrl_regs { + TDSELCTRL, +}; + +static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = { + [TDSELCTRL] = { 0xe60603c0, }, + { /* sentinel */ }, +}; + static const struct sh_pfc_soc_operations r8a77995_pinmux_ops = { .pin_to_pocctrl = r8a77995_pin_to_pocctrl, }; @@ -2852,6 +2861,7 @@ const struct sh_pfc_soc_info r8a77995_pinmux_info = { .nr_functions = ARRAY_SIZE(pinmux_functions), .cfg_regs = pinmux_config_regs, + .ioctrl_regs = pinmux_ioctrl_regs, .pinmux_data = pinmux_data, .pinmux_data_size = ARRAY_SIZE(pinmux_data), |