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From:   Drew Fustini <drew@beagleboard.org>
To:     Tony Lindgren <tony@atomide.com>, Rob Herring <robh+dt@kernel.org>,
        linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Linus Walleij <linus.walleij@linaro.org>,
        Haojian Zhuang <haojian.zhuang@linaro.org>,
        devicetree@vger.kernel.org, bcousson@baylibre.com,
        Jason Kridner <jkridner@beagleboard.org>,
        Robert Nelson <robertcnelson@gmail.com>
Cc:     Drew Fustini <drew@beagleboard.org>
Subject: [PATCH v3 1/3] pinctrl: single: parse #pinctrl-cells = 2
Date:   Mon, 22 Jun 2020 19:29:49 +0200
Message-Id: <20200622172951.524306-2-drew@beagleboard.org>
In-Reply-To: <20200622172951.524306-1-drew@beagleboard.org>
References: <20200622172951.524306-1-drew@beagleboard.org>
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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 to get the
value to store in the register.

Signed-off-by: Drew Fustini <drew@beagleboard.org>
---
 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 a9d511982780..17b32cafe5f0 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