From mboxrd@z Thu Jan 1 00:00:00 1970 From: jic23@kernel.org (Jonathan Cameron) Date: Mon, 07 Nov 2011 16:27:16 +0000 Subject: [PATCH 1/3] ARM: AT91: Add platform data for the ADCs In-Reply-To: <1320682113-23655-2-git-send-email-maxime.ripard@free-electrons.com> References: <1319041134-19712-1-git-send-email-maxime.ripard@free-electrons.com> <1320682113-23655-1-git-send-email-maxime.ripard@free-electrons.com> <1320682113-23655-2-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <4EB806E4.9070408@kernel.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Looks sensible to me though obviously this is bit is really for the at91 lot to comment on. On 11/07/2011 04:08 PM, Maxime Ripard wrote: > Cc: Nicolas Ferre > Cc: Patrice Vilchez > Cc: Thomas Petazzoni > Signed-off-by: Maxime Ripard Acked-by: Jonathan Cameron > --- > arch/arm/mach-at91/include/mach/board.h | 18 ++++++++++++++++++ > 1 files changed, 18 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h > index ed544a0..afdcac0 100644 > --- a/arch/arm/mach-at91/include/mach/board.h > +++ b/arch/arm/mach-at91/include/mach/board.h > @@ -207,4 +207,22 @@ extern void __init at91_pwm_leds(struct gpio_led *leds, int nr); > /* FIXME: this needs a better location, but gets stuff building again */ > extern int at91_suspend_entering_slow_clock(void); > > +/* ADC */ > +struct at91_adc_data { > + /* ADC Clock as specified by the datasheet, in Hz. */ > + unsigned int adc_clock; > + /* > + * Global number of channels available (to specify which channels are > + * indeed used on the board, see the channels_used array). > + */ > + u8 num_channels; > + /* Channels in use on the board */ One nitpick here. You could make it more obvious that this is a mask... > + unsigned long channels_used; > + /* Startup time of the ADC, in microseconds. */ > + u8 startup_time; > + /* Reference voltage for the ADC in millivolts */ > + unsigned short vref; > +}; > +extern void __init at91_add_device_adc(struct at91_adc_data *data); > + > #endif