[PATCH v4 1/2] pinctrl: single: parse #pinctrl-cells = 2
From: Drew Fustini <hidden>
Date: 2020-07-01 01:33:48
Also in:
linux-devicetree, linux-gpio, linux-omap, lkml
Subsystem:
pin control subsystem, pin controller - single, the rest · Maintainers:
Linus Walleij, Tony Lindgren, Haojian Zhuang, Linus Torvalds
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 <redacted> --- drivers/pinctrl/pinctrl-single.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index f3a8a465d27e..a436ed7762cc 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c@@ -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]);
--
2.25.1
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