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i.MX6DL: mamoj: Add I2C support

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i.MX6DL Mamoj has i2c3 and i2c4 buses, add support
through DM_I2C with dt definition.

i2c log:
Reviewed-by: Stefano Babic <sbabic@denx.de>

=======
=> i2c bus
Bus 2:  i2c@021a8000
Bus 3:  i2c@021f8000
=> i2c dev 2
Setting bus to 2
=> i2c speed 400000
Setting bus speed to 400000 Hz
=> i2c probe
Valid chip addresses: 20 51 53
=> i2c md 53 0xff
00ff: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff    ................
=> i2c md 51 0xff
00ff: a8 08 40 50 09 43 46 52 42 18 80 8e ae a9 d0 53    ..@P.CFRB......S
=> i2c dev 3
Setting bus to 3
=> i2c speed 100000
Setting bus speed to 100000 Hz
=> i2c probe
Valid chip addresses: 08 40 48 4B
=> i2c md 08 0xff
00ff: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
This commit is contained in:
Jagan Teki 2018-05-07 11:21:35 +05:30 committed by Stefano Babic
parent 1494cc89cb
commit dda9892171
3 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
arch/arm/dts/imx6dl-mamoj.dts
View File

@ -21,6 +21,20 @@
status = "okay";
};
&i2c3 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
};
&i2c4 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c4>;
status = "okay";
};
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
@ -60,6 +74,20 @@
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
>;
};
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX6QDL_PAD_GPIO_7__I2C4_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_8__I2C4_SDA 0x4001b8b1
>;
};
pinctrl_uart3: uart3grp {
fsl,pins = <
MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1

1
arch/arm/mach-imx/mx6/Kconfig
View File

@ -228,6 +228,7 @@ config TARGET_MX6DL_MAMOJ
select DM
select DM_ETH
select DM_GPIO
select DM_I2C
select DM_MMC
select DM_THERMAL
select SPL

2
configs/imx6dl_mamoj_defconfig
View File

@ -12,6 +12,7 @@ CONFIG_SYS_PROMPT="=> "
CONFIG_CRC32_VERIFY=y
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
CONFIG_CMD_MII=y
CONFIG_CMD_PING=y
@ -37,3 +38,4 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0525
CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
CONFIG_CI_UDC=y
CONFIG_IMX_THERMAL=y
CONFIG_SYS_I2C_MXC=y