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pinctrl: renesas: Add TDSEL fixup for H2/E2 ES1.0 SoCs

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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>
This commit is contained in:
Marek Vasut 2019-03-04 22:29:30 +01:00 committed by Marek Vasut
parent 72242e5439
commit 37929ca84b
2 changed files with 22 additions and 0 deletions
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11
drivers/pinctrl/renesas/pfc-r8a7790.c
View File

@ -5694,7 +5694,18 @@ static int r8a7790_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *poc
return 31 - (pin & 0x1f);
}
static int r8a7790_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, 0xe6060088, 0x00155554);
return 0;
}
static const struct sh_pfc_soc_operations r8a7790_pinmux_ops = {
.init = r8a7790_pinmux_soc_init,
.pin_to_pocctrl = r8a7790_pin_to_pocctrl,
};

11
drivers/pinctrl/renesas/pfc-r8a7794.c
View File

@ -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,
};