[PATCH 19/45] at91sam9x5ek: Configure I2C via DT

Andrey Smirnov andrew.smirnov at gmail.com
Mon Mar 6 14:53:30 PST 2017


Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
 arch/arm/boards/at91sam9x5ek/init.c | 21 ---------------------
 arch/arm/dts/at91sam9x5ek.dts       | 10 ++++++++++
 2 files changed, 10 insertions(+), 21 deletions(-)

diff --git a/arch/arm/boards/at91sam9x5ek/init.c b/arch/arm/boards/at91sam9x5ek/init.c
index 85f20a9..fca5e7d 100644
--- a/arch/arm/boards/at91sam9x5ek/init.c
+++ b/arch/arm/boards/at91sam9x5ek/init.c
@@ -187,26 +187,6 @@ static void ek_add_device_mci(void)
 	at91_add_device_mci(0, &mci0_data);
 }
 
-struct qt1070_platform_data qt1070_pdata = {
-	.irq_pin	= AT91_PIN_PA7,
-};
-
-static struct i2c_board_info i2c_devices[] = {
-	{
-		.platform_data = &qt1070_pdata,
-		I2C_BOARD_INFO("qt1070", 0x1b),
-	}, {
-		I2C_BOARD_INFO("24c512", 0x51)
-	},
-};
-
-static void ek_add_device_i2c(void)
-{
-	at91_set_gpio_input(qt1070_pdata.irq_pin, 0);
-	at91_set_deglitch(qt1070_pdata.irq_pin, 1);
-	at91_add_device_i2c(0, i2c_devices, ARRAY_SIZE(i2c_devices));
-}
-
 static const struct spi_board_info ek_cm_cogent_spi_devices[] = {
 	{
 		.name		= "mtd_dataflash",
@@ -277,7 +257,6 @@ static int at91sam9x5ek_devices_init(void)
 	ek_add_device_spi();
 	ek_add_device_mci();
 	ek_add_device_usb();
-	ek_add_device_i2c();
 	ek_add_device_lcdc();
 
 	armlinux_set_architecture(CONFIG_MACH_AT91SAM9X5EK);
diff --git a/arch/arm/dts/at91sam9x5ek.dts b/arch/arm/dts/at91sam9x5ek.dts
index db1bd67..f9ae091 100644
--- a/arch/arm/dts/at91sam9x5ek.dts
+++ b/arch/arm/dts/at91sam9x5ek.dts
@@ -7,3 +7,13 @@
 #include <arm/at91sam9x5_lcd.dtsi>
 #include <arm/at91sam9x5dm.dtsi>
 #include <arm/at91sam9x5ek.dtsi>
+
+/ {
+	i2c-gpio-0 {
+		status = "okay";
+	};
+};
+
+&i2c0 {
+	status = "disabled";
+};
-- 
2.9.3




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