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Message-ID: <20150225155314.GF6688@x1>
Date: Wed, 25 Feb 2015 15:53:14 +0000
From: Lee Jones <lee.jones@...aro.org>
To: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc: lee@...nel.org, robh+dt@...nel.org, pawel.moll@....com,
mark.rutland@....com, galak@...eaurora.org, sameo@...ux.intel.com,
lgirdwood@...il.com, broonie@...nel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3] mfd: arizona: Move useful defines into a dt-binding
include
On Wed, 25 Feb 2015, Charles Keepax wrote:
> Move parts of linux/mfd/arizona/pdata.h and gpio.h into a new file in
> the dt-binding directory for use by device tree bindings. This also
> makes gpio.h redundant so remove it in the process.
>
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> Acked-by: Mark Brown <broonie@...nel.org>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
>
> Changes since v2:
> - Generate patch using git format-patch -M
>
> Documentation/devicetree/bindings/mfd/arizona.txt | 20 +++---
> .../arizona/gpio.h => dt-bindings/mfd/arizona.h} | 67 +++++++++----------
> include/linux/mfd/arizona/pdata.h | 22 +------
> sound/soc/codecs/arizona.c | 1 -
> 4 files changed, 44 insertions(+), 66 deletions(-)
> rename include/{linux/mfd/arizona/gpio.h => dt-bindings/mfd/arizona.h} (54%)
Much better, thanks.
Patch applied.
> diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
> index 7bd1273..bfef000 100644
> --- a/Documentation/devicetree/bindings/mfd/arizona.txt
> +++ b/Documentation/devicetree/bindings/mfd/arizona.txt
> @@ -36,11 +36,11 @@ Optional properties:
> - wlf,reset : GPIO specifier for the GPIO controlling /RESET
> - wlf,ldoena : GPIO specifier for the GPIO controlling LDOENA
>
> - - wlf,gpio-defaults : A list of GPIO configuration register values. If
> - absent, no configuration of these registers is performed. If any
> - entry has a value that is out of range for a 16 bit register then
> - the chip default will be used. If present exactly five values must
> - be specified.
> + - wlf,gpio-defaults : A list of GPIO configuration register values. Defines
> + for the appropriate values can found in <dt-bindings/mfd/arizona.txt>. If
> + absent, no configuration of these registers is performed. If any entry has
> + a value that is out of range for a 16 bit register then the chip default
> + will be used. If present exactly five values must be specified.
>
> - wlf,inmode : A list of INn_MODE register values, where n is the number
> of input signals. Valid values are 0 (Differential), 1 (Single-ended) and
> @@ -73,10 +73,10 @@ codec: wm5102@1a {
> #gpio-cells = <2>;
>
> wlf,gpio-defaults = <
> - 0x00000000 /* AIF1TXLRCLK */
> - 0xffffffff
> - 0xffffffff
> - 0xffffffff
> - 0xffffffff
> + ARIZONA_GP_FN_TXLRCLK
> + ARIZONA_GP_DEFAULT
> + ARIZONA_GP_DEFAULT
> + ARIZONA_GP_DEFAULT
> + ARIZONA_GP_DEFAULT
> >;
> };
> diff --git a/include/linux/mfd/arizona/gpio.h b/include/dt-bindings/mfd/arizona.h
> similarity index 54%
> rename from include/linux/mfd/arizona/gpio.h
> rename to include/dt-bindings/mfd/arizona.h
> index d2146bb..c7af7c7 100644
> --- a/include/linux/mfd/arizona/gpio.h
> +++ b/include/dt-bindings/mfd/arizona.h
> @@ -1,7 +1,7 @@
> /*
> - * GPIO configuration for Arizona devices
> + * Device Tree defines for Arizona devices
> *
> - * Copyright 2013 Wolfson Microelectronics. PLC.
> + * Copyright 2015 Cirrus Logic Inc.
> *
> * Author: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> *
> @@ -10,9 +10,10 @@
> * published by the Free Software Foundation.
> */
>
> -#ifndef _ARIZONA_GPIO_H
> -#define _ARIZONA_GPIO_H
> +#ifndef _DT_BINDINGS_MFD_ARIZONA_H
> +#define _DT_BINDINGS_MFD_ARIZONA_H
>
> +/* GPIO Function Definitions */
> #define ARIZONA_GP_FN_TXLRCLK 0x00
> #define ARIZONA_GP_FN_GPIO 0x01
> #define ARIZONA_GP_FN_IRQ1 0x02
> @@ -61,36 +62,32 @@
> #define ARIZONA_GP_FN_SYSCLK_ENA_STATUS 0x4B
> #define ARIZONA_GP_FN_ASYNCCLK_ENA_STATUS 0x4C
>
> -#define ARIZONA_GPN_DIR 0x8000 /* GPN_DIR */
> -#define ARIZONA_GPN_DIR_MASK 0x8000 /* GPN_DIR */
> -#define ARIZONA_GPN_DIR_SHIFT 15 /* GPN_DIR */
> -#define ARIZONA_GPN_DIR_WIDTH 1 /* GPN_DIR */
> -#define ARIZONA_GPN_PU 0x4000 /* GPN_PU */
> -#define ARIZONA_GPN_PU_MASK 0x4000 /* GPN_PU */
> -#define ARIZONA_GPN_PU_SHIFT 14 /* GPN_PU */
> -#define ARIZONA_GPN_PU_WIDTH 1 /* GPN_PU */
> -#define ARIZONA_GPN_PD 0x2000 /* GPN_PD */
> -#define ARIZONA_GPN_PD_MASK 0x2000 /* GPN_PD */
> -#define ARIZONA_GPN_PD_SHIFT 13 /* GPN_PD */
> -#define ARIZONA_GPN_PD_WIDTH 1 /* GPN_PD */
> -#define ARIZONA_GPN_LVL 0x0800 /* GPN_LVL */
> -#define ARIZONA_GPN_LVL_MASK 0x0800 /* GPN_LVL */
> -#define ARIZONA_GPN_LVL_SHIFT 11 /* GPN_LVL */
> -#define ARIZONA_GPN_LVL_WIDTH 1 /* GPN_LVL */
> -#define ARIZONA_GPN_POL 0x0400 /* GPN_POL */
> -#define ARIZONA_GPN_POL_MASK 0x0400 /* GPN_POL */
> -#define ARIZONA_GPN_POL_SHIFT 10 /* GPN_POL */
> -#define ARIZONA_GPN_POL_WIDTH 1 /* GPN_POL */
> -#define ARIZONA_GPN_OP_CFG 0x0200 /* GPN_OP_CFG */
> -#define ARIZONA_GPN_OP_CFG_MASK 0x0200 /* GPN_OP_CFG */
> -#define ARIZONA_GPN_OP_CFG_SHIFT 9 /* GPN_OP_CFG */
> -#define ARIZONA_GPN_OP_CFG_WIDTH 1 /* GPN_OP_CFG */
> -#define ARIZONA_GPN_DB 0x0100 /* GPN_DB */
> -#define ARIZONA_GPN_DB_MASK 0x0100 /* GPN_DB */
> -#define ARIZONA_GPN_DB_SHIFT 8 /* GPN_DB */
> -#define ARIZONA_GPN_DB_WIDTH 1 /* GPN_DB */
> -#define ARIZONA_GPN_FN_MASK 0x007F /* GPN_DB */
> -#define ARIZONA_GPN_FN_SHIFT 0 /* GPN_DB */
> -#define ARIZONA_GPN_FN_WIDTH 7 /* GPN_DB */
> +/* GPIO Configuration Bits */
> +#define ARIZONA_GPN_DIR 0x8000
> +#define ARIZONA_GPN_PU 0x4000
> +#define ARIZONA_GPN_PD 0x2000
> +#define ARIZONA_GPN_LVL 0x0800
> +#define ARIZONA_GPN_POL 0x0400
> +#define ARIZONA_GPN_OP_CFG 0x0200
> +#define ARIZONA_GPN_DB 0x0100
> +
> +/* Provide some defines for the most common configs */
> +#define ARIZONA_GP_DEFAULT 0xffffffff
> +#define ARIZONA_GP_OUTPUT (ARIZONA_GP_FN_GPIO)
> +#define ARIZONA_GP_INPUT (ARIZONA_GP_FN_GPIO | \
> + ARIZONA_GPN_DIR)
> +
> +#define ARIZONA_32KZ_MCLK1 1
> +#define ARIZONA_32KZ_MCLK2 2
> +#define ARIZONA_32KZ_NONE 3
> +
> +#define ARIZONA_DMIC_MICVDD 0
> +#define ARIZONA_DMIC_MICBIAS1 1
> +#define ARIZONA_DMIC_MICBIAS2 2
> +#define ARIZONA_DMIC_MICBIAS3 3
> +
> +#define ARIZONA_INMODE_DIFF 0
> +#define ARIZONA_INMODE_SE 1
> +#define ARIZONA_INMODE_DMIC 2
>
> #endif
> diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
> index 4578c72..48fe313 100644
> --- a/include/linux/mfd/arizona/pdata.h
> +++ b/include/linux/mfd/arizona/pdata.h
> @@ -11,31 +11,26 @@
> #ifndef _ARIZONA_PDATA_H
> #define _ARIZONA_PDATA_H
>
> -#define ARIZONA_GPN_DIR 0x8000 /* GPN_DIR */
> +#include <dt-bindings/mfd/arizona.h>
> +
> #define ARIZONA_GPN_DIR_MASK 0x8000 /* GPN_DIR */
> #define ARIZONA_GPN_DIR_SHIFT 15 /* GPN_DIR */
> #define ARIZONA_GPN_DIR_WIDTH 1 /* GPN_DIR */
> -#define ARIZONA_GPN_PU 0x4000 /* GPN_PU */
> #define ARIZONA_GPN_PU_MASK 0x4000 /* GPN_PU */
> #define ARIZONA_GPN_PU_SHIFT 14 /* GPN_PU */
> #define ARIZONA_GPN_PU_WIDTH 1 /* GPN_PU */
> -#define ARIZONA_GPN_PD 0x2000 /* GPN_PD */
> #define ARIZONA_GPN_PD_MASK 0x2000 /* GPN_PD */
> #define ARIZONA_GPN_PD_SHIFT 13 /* GPN_PD */
> #define ARIZONA_GPN_PD_WIDTH 1 /* GPN_PD */
> -#define ARIZONA_GPN_LVL 0x0800 /* GPN_LVL */
> #define ARIZONA_GPN_LVL_MASK 0x0800 /* GPN_LVL */
> #define ARIZONA_GPN_LVL_SHIFT 11 /* GPN_LVL */
> #define ARIZONA_GPN_LVL_WIDTH 1 /* GPN_LVL */
> -#define ARIZONA_GPN_POL 0x0400 /* GPN_POL */
> #define ARIZONA_GPN_POL_MASK 0x0400 /* GPN_POL */
> #define ARIZONA_GPN_POL_SHIFT 10 /* GPN_POL */
> #define ARIZONA_GPN_POL_WIDTH 1 /* GPN_POL */
> -#define ARIZONA_GPN_OP_CFG 0x0200 /* GPN_OP_CFG */
> #define ARIZONA_GPN_OP_CFG_MASK 0x0200 /* GPN_OP_CFG */
> #define ARIZONA_GPN_OP_CFG_SHIFT 9 /* GPN_OP_CFG */
> #define ARIZONA_GPN_OP_CFG_WIDTH 1 /* GPN_OP_CFG */
> -#define ARIZONA_GPN_DB 0x0100 /* GPN_DB */
> #define ARIZONA_GPN_DB_MASK 0x0100 /* GPN_DB */
> #define ARIZONA_GPN_DB_SHIFT 8 /* GPN_DB */
> #define ARIZONA_GPN_DB_WIDTH 1 /* GPN_DB */
> @@ -45,23 +40,10 @@
>
> #define ARIZONA_MAX_GPIO 5
>
> -#define ARIZONA_32KZ_MCLK1 1
> -#define ARIZONA_32KZ_MCLK2 2
> -#define ARIZONA_32KZ_NONE 3
> -
> #define ARIZONA_MAX_INPUT 4
>
> -#define ARIZONA_DMIC_MICVDD 0
> -#define ARIZONA_DMIC_MICBIAS1 1
> -#define ARIZONA_DMIC_MICBIAS2 2
> -#define ARIZONA_DMIC_MICBIAS3 3
> -
> #define ARIZONA_MAX_MICBIAS 3
>
> -#define ARIZONA_INMODE_DIFF 0
> -#define ARIZONA_INMODE_SE 1
> -#define ARIZONA_INMODE_DMIC 2
> -
> #define ARIZONA_MAX_OUTPUT 6
>
> #define ARIZONA_MAX_AIF 3
> diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
> index 9550d74..3ff2be9 100644
> --- a/sound/soc/codecs/arizona.c
> +++ b/sound/soc/codecs/arizona.c
> @@ -19,7 +19,6 @@
> #include <sound/tlv.h>
>
> #include <linux/mfd/arizona/core.h>
> -#include <linux/mfd/arizona/gpio.h>
> #include <linux/mfd/arizona/registers.h>
>
> #include "arizona.h"
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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