Re: [PATCH 2/6] pinctrl: rockchip: add support for rk1108

[Andy Yan <andy.yan@xxxxxxxxxxxxxx>]

Hi Heiko, Jacob:


On 2016年11月13日 05:44, Heiko Stübner wrote:
> Hi Jacob,
>
> Am Sonntag, 13. November 2016, 01:41:21 schrieb 陈豪:
> > 2016-11-03 20:34 GMT+08:00 Andy Yan <andy.yan@xxxxxxxxxxxxxx>:
> > > Add basic support for rk1108 soc
> > >
> > > Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
> > > ---
> > >
> > >   drivers/pinctrl/pinctrl-rockchip.c | 27 ++++++++++++++++++++++++++-
> > >   1 file changed, 26 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/pinctrl/pinctrl-rockchip.c
> > > b/drivers/pinctrl/pinctrl-rockchip.c index 49bf7dc..9f324b1 100644
> > > --- a/drivers/pinctrl/pinctrl-rockchip.c
> > > +++ b/drivers/pinctrl/pinctrl-rockchip.c
> > > @@ -59,6 +59,7 @@
> > >
> > >   #define GPIO_LS_SYNC           0x60
> > >   
> > >   enum rockchip_pinctrl_type {
> > >
> > > +       RK1108,
> > >
> > >          RK2928,
> > >          RK3066B,
> > >          RK3188,
> > >
> > > @@ -1123,6 +1124,7 @@ static int rockchip_get_pull(struct
> > > rockchip_pin_bank *bank, int pin_num)>
> > >                  return !(data & BIT(bit))
> > >                  
> > >                                  ? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
> > >                                  
> > >                                  : PIN_CONFIG_BIAS_DISABLE;
> > >
> > > +       case RK1108:
> > >          case RK3188:
> > >          case RK3288:
> > >
> > >          case RK3368:
> > > @@ -1169,6 +1171,7 @@ static int rockchip_set_pull(struct
> > > rockchip_pin_bank *bank,>
> > >                  spin_unlock_irqrestore(&bank->slock, flags);
> > >                  break;
> > >
> > > +       case RK1108:
> > >          case RK3188:
> > >          case RK3288:
> > >
> > >          case RK3368:
> > > @@ -1358,6 +1361,7 @@ static bool rockchip_pinconf_pull_valid(struct
> > > rockchip_pin_ctrl *ctrl,>
> > >                                          pull == PIN_CONFIG_BIAS_DISABLE);
> > >          
> > >          case RK3066B:
> > >                  return pull ? false : true;
> > >
> > > +       case RK1108:
> > >          case RK3188:
> > >          case RK3288:
> > >
> > >          case RK3368:
> > > @@ -1385,7 +1389,6 @@ static int rockchip_pinconf_set(struct pinctrl_dev
> > > *pctldev, unsigned int pin,>
> > >          for (i = 0; i < num_configs; i++) {
> > >          
> > >                  param = pinconf_to_config_param(configs[i]);
> > >                  arg = pinconf_to_config_argument(configs[i]);
> > >
> > > -
> > >
> > >                  switch (param) {
> > >                  
> > >                  case PIN_CONFIG_BIAS_DISABLE:
> > >                          rc =  rockchip_set_pull(bank, pin -
> > >                          bank->pin_base,
> > >
> > > @@ -2455,6 +2458,26 @@ static int rockchip_pinctrl_probe(struct
> > > platform_device *pdev)>
> > >          return 0;
> > >   
> > >   }
> > >
> > > +static struct rockchip_pin_bank rk1108_pin_banks[] = {
> > > +       PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
> > > +                                            IOMUX_SOURCE_PMU,
> > > +                                            IOMUX_SOURCE_PMU,
> > > +                                            IOMUX_SOURCE_PMU),
> > > +       PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
> > > +       PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
> > > +       PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
> > > +};
> > > +
> > > +static struct rockchip_pin_ctrl rk1108_pin_ctrl = {
> > > +       .pin_banks              = rk1108_pin_banks,
> > > +       .nr_banks               = ARRAY_SIZE(rk1108_pin_banks),
> > > +       .label                  = "RK1108-GPIO",
> > > +       .type                   = RK1108,
> > > +       .grf_mux_offset         = 0x10,
> > > +       .pmu_mux_offset         = 0x0,
> > > +       .pull_calc_reg          = rk3288_calc_pull_reg_and_bit,
> > > +};
> > > +com
> > >
> > >   static struct rockchip_pin_bank rk2928_pin_banks[] = {
> > >   
> > >          PIN_BANK(0, 32, "gpio0"),
> > >          PIN_BANK(1, 32, "gpio1"),
> > >
> > > @@ -2684,6 +2707,8 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
> > >
> > >   };
> > >   
> > >   static const struct of_device_id rockchip_pinctrl_dt_match[] = {
> > >
> > > +       { .compatible = "rockchip,rk1108-pinctrl",
> > > +               .data = (void *)&rk1108_pin_ctrl },
> > >
> > >          { .compatible = "rockchip,rk2928-pinctrl",
> > >          
> > >                  .data = (void *)&rk2928_pin_ctrl },
> > >          
> > >          { .compatible = "rockchip,rk3036-pinctrl",
> > >
> > > --
> > > 2.7.4
> > rk3288_calc_pull_reg_and_bit can't be used directly in rk1108.
> > rk1108 have a different PULL_PMU_OFFSET and PULL_OFFSET.
> yes, you're right, the offsets are different, so need a new function.
>
> Andy, when at it, you might also want to include drive-strength functionality?
> It is missing here but from looking at the TRM, it should be pretty easy to
> add, as everything looks similar to what other rockchip socs do.

    I had already found it, it will be fixed in next version.

    Thank you!
> Heiko


--
To unsubscribe from this list: send the line "unsubscribe linux-gpio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html