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RK3288如何添加普通串口uart1和uart3？

问答对人有帮助，内容完整，我也想知道答案 0 RK3288如何添加普通串口uart1和uart3？ 0
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答案对人有帮助，有参考价值 0 diff --git a/device/rockchip/common/init.connectivity.rc b/device/rockchip/common/init.connectivity.rc index 4957cdb..15c507e 100755 --- a/device/rockchip/common/init.connectivity.rc +++ b/device/rockchip/common/init.connectivity.rc @@ -59,10 +59,10 @@ on boot # bluetooth power up/down interface chmod 0660 /dev/ttyS0 - chmod 0660 /dev/ttyS1 +# chmod 0660 /dev/ttyS1 chmod 0660 /dev/vflash chown bluetooth net_bt_stack /dev/vflash - chown bluetooth net_bt_stack /dev/ttyS1 +# chown bluetooth net_bt_stack /dev/ttyS1 chown bluetooth net_bt_stack /dev/ttyS0 chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/type chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/state diff --git a/device/rockchip/common/init.rk30board.rc b/device/rockchip/common/init.rk30board.rc old mode 100644 new mode 100755 index 2cfcbb8..7357314 --- a/device/rockchip/common/init.rk30board.rc +++ b/device/rockchip/common/init.rk30board.rc @@ -25,6 +25,10 @@ on post-fs-data chown root system /system/lib/hw/gps.default.so mkdir /data/gps 0770 system net_bt_stack + chmod 666 /dev/ttyS1 + chmod 666 /dev/ttyS3 + chmod 666 /dev/ttyS4 + ##$_rbox_$_modify_$_chenzhi_20120309 ##$_rbox_$_modify_$_begin mkdir /data/misc/ppp 777 system system diff --git a/kernel/arch/arm/boot/dts/rk3288_rk808.dts b/kernel/arch/arm/boot/dts/rk3288_rk808.dts index fbfcf2b..4c4dfd9 100755 --- a/kernel/arch/arm/boot/dts/rk3288_rk808.dts +++ b/kernel/arch/arm/boot/dts/rk3288_rk808.dts @@ -304,6 +304,24 @@ pinctrl-0 = <&uart0_xfer &uart0_cts>; }; +&uart_bb { + status = "okay"; + dma-names = "!tx", "!rx"; + pinctrl-0 = <&uart1_xfer &uart1_cts>; +}; + +&uart_gps { + status = "okay"; + dma-names = "!tx", "!rx"; + pinctrl-0 = <&uart3_xfer &uart3_cts>; +}; + +&uart_exp { + status = "okay"; + dma-names = "!tx", "!rx"; + pinctrl-0 = <&uart4_xfer &uart4_cts>; +}; + &i2c0 { status = "okay";

2022-3-3 11:05:00 评论举报段宜敏