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| author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2019-03-04 22:29:30 +0100 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2019-04-09 18:19:10 +0200 |
| commit | 37929ca84b1c28d71028ec530358332c1f064bec (patch) | |
| tree | e9674c92bb64de81ec57cea42c7399e52a3ed78d /drivers/pinctrl/renesas/pfc-r8a7794.c | |
| parent | 72242e5439b11ad1134712e3ed41a00473520f79 (diff) | |
| download | u-boot-37929ca84b1c28d71028ec530358332c1f064bec.tar.gz u-boot-37929ca84b1c28d71028ec530358332c1f064bec.tar.xz u-boot-37929ca84b1c28d71028ec530358332c1f064bec.zip | |
pinctrl: renesas: Add TDSEL fixup for H2/E2 ES1.0 SoCs
Linux 5.0, commit 1c163f4c7b3f621efff9b28a47abb36f7378d783,
has a TDSEL fix for R8A7790 H2 and R8A7794 E2 SoCs, implement
similar fix for U-Boot. The difference here is that the SoC
ES matching has to be implemented manually.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers/pinctrl/renesas/pfc-r8a7794.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pfc-r8a7794.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/pfc-r8a7794.c b/drivers/pinctrl/renesas/pfc-r8a7794.c index 7264c70e85..079f4438ef 100644 --- a/drivers/pinctrl/renesas/pfc-r8a7794.c +++ b/drivers/pinctrl/renesas/pfc-r8a7794.c @@ -5563,7 +5563,18 @@ static int r8a7794_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *poc return -EINVAL; } +static int r8a7794_pinmux_soc_init(struct sh_pfc *pfc) +{ + /* Initialize TDSEL on old revisions */ + if ((rmobile_get_cpu_rev_integer() == 1) && + (rmobile_get_cpu_rev_fraction() == 0)) + 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, }; |