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pinctrl: single: parse #pinctrl-cells = 2

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If "pinctrl-single,pins" has 3 arguments (offset, conf, mux), then
pcs_parse_one_pinctrl_entry() does an OR operation on conf and mux to
get the value to store in the register.

Signed-off-by: Drew Fustini <drew@beagleboard.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Link: https://lore.kernel.org/r/20200701013320.130441-2-drew@beagleboard.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Drew Fustini 2020-07-01 03:33:19 +02:00 committed by Linus Walleij
parent 614038d628
commit a133954188
1 changed files with 9 additions and 2 deletions
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11
drivers/pinctrl/pinctrl-single.c
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@ -1017,10 +1017,17 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs,
break;
}
/* Index plus one value cell */
offset = pinctrl_spec.args[0];
vals[found].reg = pcs->base + offset;
vals[found].val = pinctrl_spec.args[1];
switch (pinctrl_spec.args_count) {
case 2:
vals[found].val = pinctrl_spec.args[1];
break;
case 3:
vals[found].val = (pinctrl_spec.args[1] | pinctrl_spec.args[2]);
break;
}
dev_dbg(pcs->dev, "%pOFn index: 0x%x value: 0x%x\n",
pinctrl_spec.np, offset, pinctrl_spec.args[1]);