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pinctrl: rockchip: rk3568 drive strength fix

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Change-Id: Ifeee29a71aa1ae09e3b2ff59d7c0c05cc05b45f2
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Jianqun Xu
2020-11-10 14:45:42 +08:00
committed by Tao Huang
parent b605ea01ab
commit c97b33bbbd
1 changed files with 27 additions and 0 deletions
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27
drivers/pinctrl/pinctrl-rockchip.c
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@@ -2800,6 +2800,10 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
rmask_bits = RV1126_DRV_BITS_PER_PIN;
ret = strength;
goto config;
} else if (ctrl->type == RK3568) {
rmask_bits = RK3568_DRV_BITS_PER_PIN;
ret = (1 << (strength + 1)) - 1;
goto config;
}
ret = -EINVAL;
@@ -2878,6 +2882,29 @@ config:
ret = regmap_update_bits(regmap, reg, rmask, data);
if (ctrl->type == RK3568) {
if (bank->bank_num == 1 && pin_num == 21)
reg = 0x0840;
else if (bank->bank_num == 2 && pin_num == 2)
reg = 0x0844;
else if (bank->bank_num == 2 && pin_num == 8)
reg = 0x0848;
else if (bank->bank_num == 3 && pin_num == 0)
reg = 0x084c;
else if (bank->bank_num == 3 && pin_num == 6)
reg = 0x0850;
else if (bank->bank_num == 4 && pin_num == 0)
reg = 0x0854;
else
return ret;
data = ((1 << rmask_bits) - 1) << 16;
rmask = data | (data >> 16);
data |= (ret << bit);
ret = regmap_update_bits(regmap, reg, rmask, data);
}
return ret;
}