linux-kernel - Re: [PATCH] regulator: pfuze100-regulator: add coin support

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Date:   Mon, 24 Sep 2018 14:21:09 -0500
From:   Adam Ford <aford173@...il.com>
To:     george.mccollister@...il.com
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] regulator: pfuze100-regulator: add coin support

On Thu, Mar 9, 2017 at 8:17 AM George McCollister
<george.mccollister@...il.com> wrote:
>
> Add support for PF0200 coin cell/super capacitor charger which works as
> a current limited voltage source via the LICELL pin. When VIN goes below
> a certain threshold LICELL is used to provide power for VSNVS which is
> usually used to hold up secure non-volatile storage and the real-time
> clock on the SoC.
>

I know this is patch is an old thread by now, but is there something
precluding this from being added the pfuze100 as well?

[snip]

I am trying to add:

@@ -324,6 +324,7 @@ static struct pfuze_regulator pfuze100_regulators[] = {
        PFUZE100_VGEN_REG(PFUZE100, VGEN4, PFUZE100_VGEN4VOL, 1800000,
3300000, 100000),
        PFUZE100_VGEN_REG(PFUZE100, VGEN5, PFUZE100_VGEN5VOL, 1800000,
3300000, 100000),
        PFUZE100_VGEN_REG(PFUZE100, VGEN6, PFUZE100_VGEN6VOL, 1800000,
3300000, 100000),
+       PFUZE100_COIN_REG(PFUZE100, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
 };

 static struct pfuze_regulator pfuze200_regulators[] = {
@@ -377,6 +378,7 @@ static struct of_regulator_match pfuze100_matches[] = {
        { .name = "vgen4",      },
        { .name = "vgen5",      },
        { .name = "vgen6",      },
+       { .name = "coin",       },
 };

but I am getting bulid errors:

drivers/regulator/pfuze100-regulator.c:327:20: error: ‘PFUZE100_COIN’
undeclared here (not in a function); did you mean ‘PFUZE200_COIN’?
  PFUZE100_COIN_REG(PFUZE100, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
                    ^~~~~~~~
drivers/regulator/pfuze100-regulator.c:240:3: note: in definition of
macro ‘PFUZE100_COIN_REG’
  [_chip ## _ ##  _name] = { \
   ^~~~~
drivers/regulator/pfuze100-regulator.c:327:20: error: array index in
initializer not of integer type
  PFUZE100_COIN_REG(PFUZE100, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
                    ^~~~~~~~
drivers/regulator/pfuze100-regulator.c:240:3: note: in definition of
macro ‘PFUZE100_COIN_REG’
  [_chip ## _ ##  _name] = { \
   ^~~~~
drivers/regulator/pfuze100-regulator.c:327:20: note: (near
initialization for ‘pfuze100_regulators’)
  PFUZE100_COIN_REG(PFUZE100, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
                    ^~~~~~~~
drivers/regulator/pfuze100-regulator.c:240:3: note: in definition of
macro ‘PFUZE100_COIN_REG’
  [_chip ## _ ##  _name] = { \
   ^~~~~

I am not entirely understanding how the macro is supposed to work.
Any suggestions?

thanks,

adam


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