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Date: Mon, 10 Nov 2014 15:28:34 +0000
From: Lee Jones <lee.jones@...aro.org>
To: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc: sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: arizona: Document HP_CTRL_1L and HP_CTRL_1R
registers
On Tue, 04 Nov 2014, Charles Keepax wrote:
> These registers are documented in the datasheet and used as part of the
> extcon driver. Expose them properly through regmap as the datasheet
> notes they should be treated as volatile do so.
>
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
> drivers/mfd/wm5102-tables.c | 6 +++-
> drivers/mfd/wm5110-tables.c | 4 +++
> drivers/mfd/wm8997-tables.c | 4 +++
> include/linux/mfd/arizona/registers.h | 42 +++++++++++++++++++++++++++++++++
> 4 files changed, 54 insertions(+), 2 deletions(-)
Applied, thanks.
> diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
> index d6f35bb..b326a82 100644
> --- a/drivers/mfd/wm5102-tables.c
> +++ b/drivers/mfd/wm5102-tables.c
> @@ -336,8 +336,6 @@ static const struct reg_default wm5102_reg_default[] = {
> { 0x00000218, 0x01A6 }, /* R536 - Mic Bias Ctrl 1 */
> { 0x00000219, 0x01A6 }, /* R537 - Mic Bias Ctrl 2 */
> { 0x0000021A, 0x01A6 }, /* R538 - Mic Bias Ctrl 3 */
> - { 0x00000225, 0x0400 }, /* R549 - HP Ctrl 1L */
> - { 0x00000226, 0x0400 }, /* R550 - HP Ctrl 1R */
> { 0x00000293, 0x0000 }, /* R659 - Accessory Detect Mode 1 */
> { 0x0000029B, 0x0020 }, /* R667 - Headphone Detect 1 */
> { 0x0000029C, 0x0000 }, /* R668 - Headphone Detect 2 */
> @@ -1112,6 +1110,8 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
> case ARIZONA_MIC_BIAS_CTRL_1:
> case ARIZONA_MIC_BIAS_CTRL_2:
> case ARIZONA_MIC_BIAS_CTRL_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_ACCESSORY_DETECT_MODE_1:
> case ARIZONA_HEADPHONE_DETECT_1:
> case ARIZONA_HEADPHONE_DETECT_2:
> @@ -1949,6 +1949,8 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
> case ARIZONA_DSP1_SCRATCH_1:
> case ARIZONA_DSP1_SCRATCH_2:
> case ARIZONA_DSP1_SCRATCH_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_HEADPHONE_DETECT_2:
> case ARIZONA_HP_DACVAL:
> case ARIZONA_MIC_DETECT_3:
> diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
> index 64eab95..12cad94 100644
> --- a/drivers/mfd/wm5110-tables.c
> +++ b/drivers/mfd/wm5110-tables.c
> @@ -1798,6 +1798,8 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
> case ARIZONA_MIC_BIAS_CTRL_1:
> case ARIZONA_MIC_BIAS_CTRL_2:
> case ARIZONA_MIC_BIAS_CTRL_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_ACCESSORY_DETECT_MODE_1:
> case ARIZONA_HEADPHONE_DETECT_1:
> case ARIZONA_HEADPHONE_DETECT_2:
> @@ -2841,6 +2843,8 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
> case ARIZONA_ASYNC_SAMPLE_RATE_1_STATUS:
> case ARIZONA_ASYNC_SAMPLE_RATE_2_STATUS:
> case ARIZONA_MIC_DETECT_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_HEADPHONE_DETECT_2:
> case ARIZONA_INPUT_ENABLES_STATUS:
> case ARIZONA_OUTPUT_STATUS_1:
> diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
> index 510da3b..06c3093 100644
> --- a/drivers/mfd/wm8997-tables.c
> +++ b/drivers/mfd/wm8997-tables.c
> @@ -886,6 +886,8 @@ static bool wm8997_readable_register(struct device *dev, unsigned int reg)
> case ARIZONA_MIC_BIAS_CTRL_1:
> case ARIZONA_MIC_BIAS_CTRL_2:
> case ARIZONA_MIC_BIAS_CTRL_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_ACCESSORY_DETECT_MODE_1:
> case ARIZONA_HEADPHONE_DETECT_1:
> case ARIZONA_HEADPHONE_DETECT_2:
> @@ -1477,6 +1479,8 @@ static bool wm8997_volatile_register(struct device *dev, unsigned int reg)
> case ARIZONA_SAMPLE_RATE_3_STATUS:
> case ARIZONA_ASYNC_SAMPLE_RATE_1_STATUS:
> case ARIZONA_MIC_DETECT_3:
> + case ARIZONA_HP_CTRL_1L:
> + case ARIZONA_HP_CTRL_1R:
> case ARIZONA_HEADPHONE_DETECT_2:
> case ARIZONA_INPUT_ENABLES_STATUS:
> case ARIZONA_OUTPUT_STATUS_1:
> diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
> index fbf6489..aacc10d 100644
> --- a/include/linux/mfd/arizona/registers.h
> +++ b/include/linux/mfd/arizona/registers.h
> @@ -125,6 +125,8 @@
> #define ARIZONA_MIC_BIAS_CTRL_1 0x218
> #define ARIZONA_MIC_BIAS_CTRL_2 0x219
> #define ARIZONA_MIC_BIAS_CTRL_3 0x21A
> +#define ARIZONA_HP_CTRL_1L 0x225
> +#define ARIZONA_HP_CTRL_1R 0x226
> #define ARIZONA_ACCESSORY_DETECT_MODE_1 0x293
> #define ARIZONA_HEADPHONE_DETECT_1 0x29B
> #define ARIZONA_HEADPHONE_DETECT_2 0x29C
> @@ -2253,6 +2255,46 @@
> #define ARIZONA_MICB3_ENA_WIDTH 1 /* MICB3_ENA */
>
> /*
> + * R549 (0x225) - HP Ctrl 1L
> + */
> +#define ARIZONA_RMV_SHRT_HP1L 0x4000 /* RMV_SHRT_HP1L */
> +#define ARIZONA_RMV_SHRT_HP1L_MASK 0x4000 /* RMV_SHRT_HP1L */
> +#define ARIZONA_RMV_SHRT_HP1L_SHIFT 14 /* RMV_SHRT_HP1L */
> +#define ARIZONA_RMV_SHRT_HP1L_WIDTH 1 /* RMV_SHRT_HP1L */
> +#define ARIZONA_HP1L_FLWR 0x0004 /* HP1L_FLWR */
> +#define ARIZONA_HP1L_FLWR_MASK 0x0004 /* HP1L_FLWR */
> +#define ARIZONA_HP1L_FLWR_SHIFT 2 /* HP1L_FLWR */
> +#define ARIZONA_HP1L_FLWR_WIDTH 1 /* HP1L_FLWR */
> +#define ARIZONA_HP1L_SHRTI 0x0002 /* HP1L_SHRTI */
> +#define ARIZONA_HP1L_SHRTI_MASK 0x0002 /* HP1L_SHRTI */
> +#define ARIZONA_HP1L_SHRTI_SHIFT 1 /* HP1L_SHRTI */
> +#define ARIZONA_HP1L_SHRTI_WIDTH 1 /* HP1L_SHRTI */
> +#define ARIZONA_HP1L_SHRTO 0x0001 /* HP1L_SHRTO */
> +#define ARIZONA_HP1L_SHRTO_MASK 0x0001 /* HP1L_SHRTO */
> +#define ARIZONA_HP1L_SHRTO_SHIFT 0 /* HP1L_SHRTO */
> +#define ARIZONA_HP1L_SHRTO_WIDTH 1 /* HP1L_SHRTO */
> +
> +/*
> + * R550 (0x226) - HP Ctrl 1R
> + */
> +#define ARIZONA_RMV_SHRT_HP1R 0x4000 /* RMV_SHRT_HP1R */
> +#define ARIZONA_RMV_SHRT_HP1R_MASK 0x4000 /* RMV_SHRT_HP1R */
> +#define ARIZONA_RMV_SHRT_HP1R_SHIFT 14 /* RMV_SHRT_HP1R */
> +#define ARIZONA_RMV_SHRT_HP1R_WIDTH 1 /* RMV_SHRT_HP1R */
> +#define ARIZONA_HP1R_FLWR 0x0004 /* HP1R_FLWR */
> +#define ARIZONA_HP1R_FLWR_MASK 0x0004 /* HP1R_FLWR */
> +#define ARIZONA_HP1R_FLWR_SHIFT 2 /* HP1R_FLWR */
> +#define ARIZONA_HP1R_FLWR_WIDTH 1 /* HP1R_FLWR */
> +#define ARIZONA_HP1R_SHRTI 0x0002 /* HP1R_SHRTI */
> +#define ARIZONA_HP1R_SHRTI_MASK 0x0002 /* HP1R_SHRTI */
> +#define ARIZONA_HP1R_SHRTI_SHIFT 1 /* HP1R_SHRTI */
> +#define ARIZONA_HP1R_SHRTI_WIDTH 1 /* HP1R_SHRTI */
> +#define ARIZONA_HP1R_SHRTO 0x0001 /* HP1R_SHRTO */
> +#define ARIZONA_HP1R_SHRTO_MASK 0x0001 /* HP1R_SHRTO */
> +#define ARIZONA_HP1R_SHRTO_SHIFT 0 /* HP1R_SHRTO */
> +#define ARIZONA_HP1R_SHRTO_WIDTH 1 /* HP1R_SHRTO */
> +
> +/*
> * R659 (0x293) - Accessory Detect Mode 1
> */
> #define ARIZONA_ACCDET_SRC 0x2000 /* ACCDET_SRC */
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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