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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 v4 0/2] pinctrl: single: support #pinctrl-cells = 2
Date: Wed,  1 Jul 2020 03:33:18 +0200
Message-ID: <20200701013320.130441-1-drew@beagleboard.org> (raw)

Currently, pinctrl-single only allows #pinctrl-cells = 1.

This series will allow pinctrl-single to also support #pinctrl-cells = 2

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.
    
To take advantage of #pinctrl-cells = 2, the AM33XX_PADCONF macro in
omap.h is modified to keep pin conf and pin mux values separate.

change log:
- v4: squash patches 2 and 3 together so that git biesct will not result
  in a boot failure

- v3: change order of patches to make sure the pinctrl-single.c patch
  does not break anything without the dts patches

- v2: remove outer parentheses from AM33XX_PADCONF macro as it causes a
  compile error in dtc.  I had added it per suggestion from checkpatch
  about having parentheses around complex values.

Drew Fustini (2):
  pinctrl: single: parse #pinctrl-cells = 2
  ARM: dts: am33xx-l4: change #pinctrl-cells from 1 to 2

 arch/arm/boot/dts/am33xx-l4.dtsi   |  2 +-
 drivers/pinctrl/pinctrl-single.c   | 11 +++++++++--
 include/dt-bindings/pinctrl/omap.h |  2 +-
 3 files changed, 11 insertions(+), 4 deletions(-)

-- 
2.25.1


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Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  1:33 Drew Fustini [this message]
2020-07-01  1:33 ` [PATCH v4 1/2] pinctrl: single: parse " Drew Fustini
2020-07-01  1:33 ` [PATCH v4 2/2] ARM: dts: am33xx-l4: change #pinctrl-cells from 1 to 2 Drew Fustini
2020-07-02 17:36 ` [PATCH v4 0/2] pinctrl: single: support #pinctrl-cells = 2 Tony Lindgren
2020-07-05  9:01 ` Haojian Zhuang
2020-07-07 10:59 ` Linus Walleij
2020-07-07 11:02   ` Drew Fustini
2020-07-11 21:12     ` Linus Walleij

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