[PATCH v2 4/4] ARM: ep93xx: Add lm70 HWMON sensor to TS-72xx boards

[Alexander Sverdlin]

Hello!

On 03/09/17 19:43, Florian Fainelli wrote:
> From: H Hartley Sweeten <hsweeten at visionengravers.com>
> 
> Register the TI TMP122 (lm70) temperature sensor driver for the TS-72xx
> boards.
> 
> Originaly from Florian Fainelli. Updated to the new spi-ep93xx chip select
> method.
> 
> Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
> Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>

Reviewed-by: Alexander Sverdlin <alexander.sverdlin at gmail.com>

> ---
>  arch/arm/mach-ep93xx/ts72xx.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
> index 55ca3b375952..4b8fefbf62dd 100644
> --- a/arch/arm/mach-ep93xx/ts72xx.c
> +++ b/arch/arm/mach-ep93xx/ts72xx.c
> @@ -18,7 +18,10 @@
>  #include <linux/io.h>
>  #include <linux/mtd/nand.h>
>  #include <linux/mtd/partitions.h>
> +#include <linux/spi/spi.h>
> +#include <linux/platform_data/spi-ep93xx.h>
>  
> +#include <mach/gpio-ep93xx.h>
>  #include <mach/hardware.h>
>  
>  #include <asm/mach-types.h>
> @@ -230,6 +233,27 @@ static struct platform_device ts73xx_fpga_device = {
>  
>  #endif
>  
> +/*************************************************************************
> + * SPI Bus
> + *************************************************************************/
> +static struct spi_board_info ts72xx_spi_devices[] __initdata = {
> +	{
> +		.modalias		= "tmp122",
> +		.max_speed_hz		= 2 * 1000 * 1000,
> +		.bus_num		= 0,
> +		.chip_select		= 0,
> +	},
> +};
> +
> +static int ts72xx_spi_chipselects[] __initdata = {
> +	EP93XX_GPIO_LINE_F(2),		/* DIO_17 */
> +};
> +
> +static struct ep93xx_spi_info ts72xx_spi_info __initdata = {
> +	.chipselect	= ts72xx_spi_chipselects,
> +	.num_chipselect	= ARRAY_SIZE(ts72xx_spi_chipselects),
> +};
> +
>  static void __init ts72xx_init_machine(void)
>  {
>  	ep93xx_init_devices();
> @@ -242,6 +266,8 @@ static void __init ts72xx_init_machine(void)
>  	if (board_is_ts7300())
>  		platform_device_register(&ts73xx_fpga_device);
>  #endif
> +	ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices,
> +			    ARRAY_SIZE(ts72xx_spi_devices));
>  }
>  
>  MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")