diff options
Diffstat (limited to 'arch/arm/boot/dts/kirkwood-openrd.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/kirkwood-openrd.dtsi | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/kirkwood-openrd.dtsi b/arch/arm/boot/dts/kirkwood-openrd.dtsi index d3330dadf7ed..24f1d30970a0 100644 --- a/arch/arm/boot/dts/kirkwood-openrd.dtsi +++ b/arch/arm/boot/dts/kirkwood-openrd.dtsi @@ -40,7 +40,7 @@ pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>; pinctrl-names = "default"; - pmx_select28: pmx-select-uart-sd { + pmx_select28: pmx-select-rs232-rs485 { marvell,pins = "mpp28"; marvell,function = "gpio"; }; @@ -48,7 +48,7 @@ marvell,pins = "mpp29"; marvell,function = "gpio"; }; - pmx_select34: pmx-select-rs232-rs484 { + pmx_select34: pmx-select-uart-sd { marvell,pins = "mpp34"; marvell,function = "gpio"; }; @@ -65,6 +65,43 @@ status = "okay"; cd-gpios = <&gpio0 29 9>; }; + gpio@10100 { + p28 { + gpio-hog; + gpios = <28 GPIO_ACTIVE_HIGH>; + /* + * SelRS232or485 selects between RS-232 or RS-485 + * mode for the second UART. + * + * Low: RS-232 + * High: RS-485 + * + * To use the second UART, you need to change also + * the SelUARTorSD. + */ + output-low; + line-name = "SelRS232or485"; + }; + }; + gpio@10140 { + p2 { + gpio-hog; + gpios = <2 GPIO_ACTIVE_HIGH>; + /* + * SelUARTorSD selects between the second UART + * (serial@12100) and SD (mvsdio@90000). + * + * Low: UART + * High: SD + * + * When changing this line make sure the newly + * selected device node is enabled and the + * previously selected device node is disabled. + */ + output-high; /* Select SD by default */ + line-name = "SelUARTorSD"; + }; + }; }; }; |