On 11/04/2018 14:36, Jagan Teki wrote:
i.MX6DL Mamoj has i2c3 and i2c4 buses, add support through DM_I2C with dt definition.
i2c log:
=> 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
arch/arm/dts/imx6dl-mamoj.dts | 28 ++++++++++++++++++++++++++++ arch/arm/mach-imx/mx6/Kconfig | 1 + configs/imx6dl_mamoj_defconfig | 2 ++ 3 files changed, 31 insertions(+)
diff --git a/arch/arm/dts/imx6dl-mamoj.dts b/arch/arm/dts/imx6dl-mamoj.dts index 068d518de3..558043445b 100644 --- a/arch/arm/dts/imx6dl-mamoj.dts +++ b/arch/arm/dts/imx6dl-mamoj.dts @@ -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 0x4001b8b1MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1>;- };
- pinctrl_i2c4: i2c4grp {
fsl,pins = <MX6QDL_PAD_GPIO_7__I2C4_SCL 0x4001b8b1MX6QDL_PAD_GPIO_8__I2C4_SDA 0x4001b8b1>;- };
- pinctrl_uart3: uart3grp { fsl,pins = < MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig index c6acba7f85..5007fe3941 100644 --- a/arch/arm/mach-imx/mx6/Kconfig +++ b/arch/arm/mach-imx/mx6/Kconfig @@ -233,6 +233,7 @@ config TARGET_MX6DL_MAMOJ select DM select DM_ETH select DM_GPIO
- select DM_I2C select DM_MMC select DM_THERMAL select SPL
diff --git a/configs/imx6dl_mamoj_defconfig b/configs/imx6dl_mamoj_defconfig index e45ca9a05a..e2a18d2c30 100644 --- a/configs/imx6dl_mamoj_defconfig +++ b/configs/imx6dl_mamoj_defconfig @@ -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
Reviewed-by: Stefano Babic sbabic@denx.de
Best regards, Stefano Babic