Re: [PATCH] pinctrl: pistachio: fix mfio84-89 function description and pinmux.

[Andrew Bresticker <abrestic@xxxxxxxxxxxx>]

Govindraj,

On Fri, Mar 4, 2016 at 7:28 AM, Govindraj Raja
<Govindraj.Raja@xxxxxxxxxx> wrote:
> mfio 84 to 89 are described wrongly, fix it to describe
> the right pin and add them to right pin-mux group.
>
> The correct order is:
>         pll1_lock => mips_pll   -- MFIO_83
>         pll2_lock => audio_pll  -- MFIO_84
>         pll3_lock => rpu_v_pll  -- MFIO_85
>         pll4_lock => rpu_l_pll  -- MFIO_86
>         pll5_lock => sys_pll    -- MFIO_87
>         pll6_lock => wifi_pll   -- MFIO_88
>         pll7_lock => bt_pll     -- MFIO_89
>
> Fixes: cefc03e5995e("pinctrl: Add Pistachio SoC pin control driver")
> Signed-off-by: Govindraj Raja <Govindraj.Raja@xxxxxxxxxx>
> Cc: linux-gpio@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
> Cc: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxx
> Cc: James Hartley <James.Hartley@xxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.2+

Acked-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>

> Do I need to split this patch into dt & pinctrl?
> Or can it be picked up through pinctrl subsystem with dt maintainers Ack?

I would think that since this is a correction to the existing
binding/driver that shouldn't be necessary, but that's up to Linus.

>
>  .../bindings/pinctrl/img,pistachio-pinctrl.txt     | 12 +++++------
>  drivers/pinctrl/pinctrl-pistachio.c                | 24 +++++++++++-----------
>  2 files changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt
> index 08a4a32..0326154 100644
> --- a/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/img,pistachio-pinctrl.txt
> @@ -134,12 +134,12 @@ mfio80            ddr_debug, mips_trace_data, mips_debug
>  mfio81         dreq0, mips_trace_data, eth_debug
>  mfio82         dreq1, mips_trace_data, eth_debug
>  mfio83         mips_pll_lock, mips_trace_data, usb_debug
> -mfio84         sys_pll_lock, mips_trace_data, usb_debug
> -mfio85         wifi_pll_lock, mips_trace_data, sdhost_debug
> -mfio86         bt_pll_lock, mips_trace_data, sdhost_debug
> -mfio87         rpu_v_pll_lock, dreq2, socif_debug
> -mfio88         rpu_l_pll_lock, dreq3, socif_debug
> -mfio89         audio_pll_lock, dreq4, dreq5
> +mfio84         audio_pll_lock, mips_trace_data, usb_debug
> +mfio85         rpu_v_pll_lock, mips_trace_data, sdhost_debug
> +mfio86         rpu_l_pll_lock, mips_trace_data, sdhost_debug
> +mfio87         sys_pll_lock, dreq2, socif_debug
> +mfio88         wifi_pll_lock, dreq3, socif_debug
> +mfio89         bt_pll_lock, dreq4, dreq5
>  tck
>  trstn
>  tdi
> diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
> index 856f736..2673cd9 100644
> --- a/drivers/pinctrl/pinctrl-pistachio.c
> +++ b/drivers/pinctrl/pinctrl-pistachio.c
> @@ -469,27 +469,27 @@ static const char * const pistachio_mips_pll_lock_groups[] = {
>         "mfio83",
>  };
>
> -static const char * const pistachio_sys_pll_lock_groups[] = {
> +static const char * const pistachio_audio_pll_lock_groups[] = {
>         "mfio84",
>  };
>
> -static const char * const pistachio_wifi_pll_lock_groups[] = {
> +static const char * const pistachio_rpu_v_pll_lock_groups[] = {
>         "mfio85",
>  };
>
> -static const char * const pistachio_bt_pll_lock_groups[] = {
> +static const char * const pistachio_rpu_l_pll_lock_groups[] = {
>         "mfio86",
>  };
>
> -static const char * const pistachio_rpu_v_pll_lock_groups[] = {
> +static const char * const pistachio_sys_pll_lock_groups[] = {
>         "mfio87",
>  };
>
> -static const char * const pistachio_rpu_l_pll_lock_groups[] = {
> +static const char * const pistachio_wifi_pll_lock_groups[] = {
>         "mfio88",
>  };
>
> -static const char * const pistachio_audio_pll_lock_groups[] = {
> +static const char * const pistachio_bt_pll_lock_groups[] = {
>         "mfio89",
>  };
>
> @@ -559,12 +559,12 @@ enum pistachio_mux_option {
>         PISTACHIO_FUNCTION_DREQ4,
>         PISTACHIO_FUNCTION_DREQ5,
>         PISTACHIO_FUNCTION_MIPS_PLL_LOCK,
> +       PISTACHIO_FUNCTION_AUDIO_PLL_LOCK,
> +       PISTACHIO_FUNCTION_RPU_V_PLL_LOCK,
> +       PISTACHIO_FUNCTION_RPU_L_PLL_LOCK,
>         PISTACHIO_FUNCTION_SYS_PLL_LOCK,
>         PISTACHIO_FUNCTION_WIFI_PLL_LOCK,
>         PISTACHIO_FUNCTION_BT_PLL_LOCK,
> -       PISTACHIO_FUNCTION_RPU_V_PLL_LOCK,
> -       PISTACHIO_FUNCTION_RPU_L_PLL_LOCK,
> -       PISTACHIO_FUNCTION_AUDIO_PLL_LOCK,
>         PISTACHIO_FUNCTION_DEBUG_RAW_CCA_IND,
>         PISTACHIO_FUNCTION_DEBUG_ED_SEC20_CCA_IND,
>         PISTACHIO_FUNCTION_DEBUG_ED_SEC40_CCA_IND,
> @@ -620,12 +620,12 @@ static const struct pistachio_function pistachio_functions[] = {
>         FUNCTION(dreq4),
>         FUNCTION(dreq5),
>         FUNCTION(mips_pll_lock),
> +       FUNCTION(audio_pll_lock),
> +       FUNCTION(rpu_v_pll_lock),
> +       FUNCTION(rpu_l_pll_lock),
>         FUNCTION(sys_pll_lock),
>         FUNCTION(wifi_pll_lock),
>         FUNCTION(bt_pll_lock),
> -       FUNCTION(rpu_v_pll_lock),
> -       FUNCTION(rpu_l_pll_lock),
> -       FUNCTION(audio_pll_lock),
>         FUNCTION(debug_raw_cca_ind),
>         FUNCTION(debug_ed_sec20_cca_ind),
>         FUNCTION(debug_ed_sec40_cca_ind),
> --
> 2.5.0
>
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