Add the missing 'uart-has-rtscts' property to UART's that have hardware flow control capability. Signed-off-by: Tim Harvey <tharvey@xxxxxxxxxxxxx> --- v2: fix prefix of commit message and rebase on imx/dt64 --- arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi | 1 + arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts | 3 +++ arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts | 3 +++ arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts | 1 + 4 files changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi index 426483ec1f88..7a5d45e80982 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw73xx.dtsi @@ -221,6 +221,7 @@ pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_bten>; cts-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>; rts-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; bluetooth { diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts index ee78c189c556..a23801deb4cd 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts @@ -716,6 +716,7 @@ dtr-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>; dsr-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; dcd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; }; @@ -731,6 +732,7 @@ pinctrl-0 = <&pinctrl_uart3>; cts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; rts-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; }; @@ -739,6 +741,7 @@ pinctrl-0 = <&pinctrl_uart4>; cts-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>; rts-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts index 49e15a671b67..6aa0eb463647 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts @@ -644,6 +644,7 @@ pinctrl-0 = <&pinctrl_uart1>; rts-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; cts-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; }; @@ -660,6 +661,7 @@ pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>; rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; bluetooth { @@ -677,6 +679,7 @@ dtr-gpios = <&gpio4 3 GPIO_ACTIVE_LOW>; dsr-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>; dcd-gpios = <&gpio4 6 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts index 3c0e63d2e82d..2c1f591335ad 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts @@ -625,6 +625,7 @@ pinctrl-0 = <&pinctrl_uart3>, <&pinctrl_uart3_gpio>; rts-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; cts-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; + uart-has-rtscts; status = "okay"; bluetooth { -- 2.17.1