Re: [PATCH v2 5/8] arm/tegra: add new fields to structtegra_pingroup_desc

From: Olof Johansson
Date: Fri Nov 04 2011 - 17:06:10 EST


On Wed, Nov 02, 2011 at 04:09:04PM +0200, Peter De Schrijver wrote:
> Add new fields to struct tegra_pingroup_desc to support new hardware features
> introduced in the tegra30 SoC. The pinmux driver won't use those fields yet,
> but the tegra30 pinmux tables will already provide the necessary data.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>

Just a nit below.

> ---
> arch/arm/mach-tegra/include/mach/pinmux.h | 10 ++++++++++
> arch/arm/mach-tegra/pinmux-tegra20-tables.c | 4 ++++
> 2 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-tegra/include/mach/pinmux.h b/arch/arm/mach-tegra/include/mach/pinmux.h
> index fb101f5..1ea2018 100644
> --- a/arch/arm/mach-tegra/include/mach/pinmux.h
> +++ b/arch/arm/mach-tegra/include/mach/pinmux.h
> @@ -2,6 +2,7 @@
> * linux/arch/arm/mach-tegra/include/mach/pinmux.h
> *
> * Copyright (C) 2010 Google, Inc.
> + * Copyright (C) 2010,2011 Nvidia, Inc.
> *
> * This software is licensed under the terms of the GNU General Public
> * License version 2, as published by the Free Software Foundation, and
> @@ -99,6 +100,11 @@ enum tegra_tristate {
> TEGRA_TRI_TRISTATE = 1,
> };
>
> +enum tegra_pin_io {
> + TEGRA_PIN_OUTPUT = 0,
> + TEGRA_PIN_INPUT = 1,
> +};
> +
> enum tegra_vddio {
> TEGRA_VDDIO_BB = 0,
> TEGRA_VDDIO_LCD,
> @@ -211,6 +217,10 @@ struct tegra_pingroup_desc {
> s8 tri_bit; /* offset into the TRISTATE_REG_* register bit */
> s8 mux_bit; /* offset into the PIN_MUX_CTL_* register bit */
> s8 pupd_bit; /* offset into the PULL_UPDOWN_REG_* register bit */
> + s8 lock_bit; /* offset of the LOCK bit into mux register bit */
> + s8 od_bit; /* offset of the OD bit into mux register bit */
> + s8 ioreset_bit; /* offset of the IO_RESET bit into mux register bit */
> + s8 io_default;

Shouldn't this be an enum tegra_pin_io? Also, feel free to move it up above the
s16/s8 members.


-Olof

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