From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Sun, 3 Sep 2017 10:43:47 -0700 Subject: [PATCH v2 4/4] ARM: ep93xx: Add lm70 HWMON sensor to TS-72xx boards In-Reply-To: <20170903174347.6148-1-f.fainelli@gmail.com> References: <20170903174347.6148-1-f.fainelli@gmail.com> Message-ID: <20170903174347.6148-5-f.fainelli@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: H Hartley Sweeten 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 Signed-off-by: Florian Fainelli --- 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 #include #include +#include +#include +#include #include #include @@ -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") -- 2.11.0