UART2 is used to connect the processor with the bluetooth chip, these pins are not common between IGEPv2 boards and IGEP COM MODULE boards. This patch muxes the correct pins for every board and removes UART2 configuration from common omap3-igep.dtsi file.
Signed-off-by: Enric Balletbo i Serra <[email protected]> --- arch/arm/boot/dts/omap3-igep.dtsi | 12 ------------ arch/arm/boot/dts/omap3-igep0020.dts | 14 ++++++++++++++ arch/arm/boot/dts/omap3-igep0030.dts | 16 ++++++++++++++++ 3 files changed, 30 insertions(+), 12 deletions(-) diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi index e2d163b..fb1040d 100644 --- a/arch/arm/boot/dts/omap3-igep.dtsi +++ b/arch/arm/boot/dts/omap3-igep.dtsi @@ -53,13 +53,6 @@ >; }; - uart2_pins: pinmux_uart2_pins { - pinctrl-single,pins = < - 0x14a (PIN_INPUT | MUX_MODE0) /* uart2_rx.uart2_rx */ - 0x148 (PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */ - >; - }; - uart3_pins: pinmux_uart3_pins { pinctrl-single,pins = < 0x16e (PIN_INPUT | MUX_MODE0) /* uart3_rx.uart3_rx */ @@ -198,11 +191,6 @@ pinctrl-0 = <&uart1_pins>; }; -&uart2 { - pinctrl-names = "default"; - pinctrl-0 = <&uart2_pins>; -}; - &uart3 { pinctrl-names = "default"; pinctrl-0 = <&uart3_pins>; diff --git a/arch/arm/boot/dts/omap3-igep0020.dts b/arch/arm/boot/dts/omap3-igep0020.dts index cc9343e..87d77e4 100644 --- a/arch/arm/boot/dts/omap3-igep0020.dts +++ b/arch/arm/boot/dts/omap3-igep0020.dts @@ -149,6 +149,15 @@ 0x0da (PIN_OUTPUT | MUX_MODE0) /* dss_data23.dss_data23 */ >; }; + + uart2_pins: pinmux_uart2_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT | MUX_MODE0) /* uart2_cts.uart2_cts */ + OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0) /* uart2_rts .uart2_rts*/ + OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */ + OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0) /* uart2_rx.uart2_rx */ + >; + }; }; &omap3_pmx_core2 { @@ -256,6 +265,11 @@ }; }; +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; +}; + &usbhshost { port1-mode = "ehci-phy"; }; diff --git a/arch/arm/boot/dts/omap3-igep0030.dts b/arch/arm/boot/dts/omap3-igep0030.dts index 84b7452..2df1396 100644 --- a/arch/arm/boot/dts/omap3-igep0030.dts +++ b/arch/arm/boot/dts/omap3-igep0030.dts @@ -46,6 +46,17 @@ }; }; +&omap3_pmx_core { + uart2_pins: pinmux_uart2_pins { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1) /* mcbsp3_dx.uart2_cts */ + OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_dr.uart2_rts */ + OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_clk.uart2_tx */ + OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1) /* mcbsp3_fsx.uart2_rx */ + >; + }; +}; + &omap3_pmx_core2 { leds_pins: pinmux_leds_pins { pinctrl-single,pins = < @@ -104,3 +115,8 @@ }; }; }; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
