From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/6] mc13xxx: Define maximum SPI clock frequency global to driver
Date: Fri, 20 Jul 2012 09:46:11 +0200 [thread overview]
Message-ID: <20120720074611.GL30009@pengutronix.de> (raw)
In-Reply-To: <1342711817-866-1-git-send-email-shc_work@mail.ru>
Hi Alexander,
Applied these except 1/6 and 3/6 which have open comments.
Sascha
On Thu, Jul 19, 2012 at 07:30:12PM +0400, Alexander Shiyan wrote:
> This patch provide setup for SPI clk frequency global to driver.
> For MC13783 maximum clock frequency is 20 MHz,
> for MC13892 maximum clock frequency is 26 MHz,
> so we define 20 MHz as a maximum SPI clk.
>
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
> ---
> arch/arm/boards/ccxmx51/ccxmx51.c | 1 -
> arch/arm/boards/freescale-mx51-pdk/board.c | 1 -
> arch/arm/boards/pcm038/pcm038.c | 1 -
> drivers/mfd/mc13xxx.c | 1 +
> 4 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boards/ccxmx51/ccxmx51.c b/arch/arm/boards/ccxmx51/ccxmx51.c
> index f494174..f309e0c 100644
> --- a/arch/arm/boards/ccxmx51/ccxmx51.c
> +++ b/arch/arm/boards/ccxmx51/ccxmx51.c
> @@ -191,7 +191,6 @@ static struct spi_imx_master ecspi_0_data = {
> static const struct spi_board_info ccxmx51_spi_board_info[] = {
> {
> .name = "mc13xxx-spi",
> - .max_speed_hz = 6000000,
> .bus_num = 0,
> .chip_select = 0,
> },
> diff --git a/arch/arm/boards/freescale-mx51-pdk/board.c b/arch/arm/boards/freescale-mx51-pdk/board.c
> index 3a568d0..7c2c8fe 100644
> --- a/arch/arm/boards/freescale-mx51-pdk/board.c
> +++ b/arch/arm/boards/freescale-mx51-pdk/board.c
> @@ -117,7 +117,6 @@ static struct spi_imx_master spi_0_data = {
> static const struct spi_board_info mx51_babbage_spi_board_info[] = {
> {
> .name = "mc13xxx-spi",
> - .max_speed_hz = 300000,
> .bus_num = 0,
> .chip_select = 0,
> },
> diff --git a/arch/arm/boards/pcm038/pcm038.c b/arch/arm/boards/pcm038/pcm038.c
> index badc978..fa82b02 100644
> --- a/arch/arm/boards/pcm038/pcm038.c
> +++ b/arch/arm/boards/pcm038/pcm038.c
> @@ -59,7 +59,6 @@ static struct spi_imx_master pcm038_spi_0_data = {
> static struct spi_board_info pcm038_spi_board_info[] = {
> {
> .name = "mc13xxx-spi",
> - .max_speed_hz = 3000000,
> .bus_num = 0,
> .chip_select = 0,
> }
> diff --git a/drivers/mfd/mc13xxx.c b/drivers/mfd/mc13xxx.c
> index 2934e9d..8bb0d00 100644
> --- a/drivers/mfd/mc13xxx.c
> +++ b/drivers/mfd/mc13xxx.c
> @@ -297,6 +297,7 @@ static int mc_probe(struct device_d *dev, enum mc13xxx_mode mode)
> mc_dev->spi = dev->type_data;
> mc_dev->spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
> mc_dev->spi->bits_per_word = 32;
> + mc_dev->spi->max_speed_hz = 20000000;
> }
> mc_dev->cdev.size = 256;
> mc_dev->cdev.dev = dev;
> --
> 1.7.3.4
>
>
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prev parent reply other threads:[~2012-07-20 7:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 15:30 Alexander Shiyan
2012-07-19 15:30 ` [PATCH 2/6] i.MX: Removed unused declaration for imx_iim_get_mac Alexander Shiyan
2012-07-19 15:30 ` [PATCH 3/6] mc13xxx: Added dummy definition for mc13xxx_get() if CONFIG_MFD_MC13XXX is not set Alexander Shiyan
2012-07-19 17:56 ` Sascha Hauer
2012-07-20 8:08 ` Re[2]: " Alexander Shiyan
2012-07-19 15:30 ` [PATCH 4/6] tx51: Unused mc13xxx.h include removed Alexander Shiyan
2012-07-19 15:30 ` [PATCH 5/6] PCM970: Add MMC support Alexander Shiyan
2012-07-19 15:30 ` [PATCH 6/6] PCM038: Read UID from fuses and pass this value to kernel as serial number Alexander Shiyan
2012-07-19 18:12 ` Sascha Hauer
2012-07-19 18:48 ` Re[2]: " Alexander Shiyan
2012-07-19 18:49 ` Alexander Shiyan
2012-07-19 17:55 ` [PATCH 1/6] mc13xxx: Define maximum SPI clock frequency global to driver Sascha Hauer
2012-07-20 8:05 ` Re[2]: " Alexander Shiyan
2012-07-20 8:11 ` Sascha Hauer
2012-07-20 8:17 ` Re[2]: " Alexander Shiyan
2012-07-20 7:46 ` Sascha Hauer [this message]
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