From 6e18b3a48ee4c22833564181328537163a47addb Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Thu, 19 Jul 2012 19:30:12 +0400 Subject: [PATCH] mc13xxx: Define maximum SPI clock frequency global to driver 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 Signed-off-by: Sascha Hauer --- 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 insertion(+), 3 deletions(-) diff --git a/arch/arm/boards/ccxmx51/ccxmx51.c b/arch/arm/boards/ccxmx51/ccxmx51.c index f494174b1..f309e0c69 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 3a568d051..7c2c8fe71 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 badc978a2..fa82b02d6 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 2934e9d9b..8bb0d00f8 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;