diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/pfc-r8a7794.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/pfc-r8a7794.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c index fcf1339c4058..958a5f714c93 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c @@ -8,6 +8,7 @@ */ #include <linux/kernel.h> +#include <linux/sys_soc.h> #include "core.h" #include "sh_pfc.h" @@ -5560,7 +5561,22 @@ static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *poc return -EINVAL; } +static const struct soc_device_attribute r8a7794_tdsel[] = { + { .soc_id = "r8a7794", .revision = "ES1.0" }, + { /* sentinel */ } +}; + +static int r8a7794_pinmux_soc_init(struct sh_pfc *pfc) +{ + /* Initialize TDSEL on old revisions */ + if (soc_device_match(r8a7794_tdsel)) + sh_pfc_write(pfc, 0xe6060068, 0x55555500); + + return 0; +} + static const struct sh_pfc_soc_operations r8a7794_pinmux_ops = { + .init = r8a7794_pinmux_soc_init, .pin_to_pocctrl = r8a7794_pin_to_pocctrl, }; |