linux-kernel - [PATCH v3] arm64: dts: imx8m{m,n}-venice-*: add missing uart-has-rtscts property to UARTs

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Message-Id: <20220411194638.5706-1-tharvey@gateworks.com>
Date:   Mon, 11 Apr 2022 12:46:38 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Shawn Guo <shawnguo@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH v3] arm64: dts: imx8m{m,n}-venice-*: add missing uart-has-rtscts property to UARTs

Add the missing 'uart-has-rtscts' property to UART's that have hardware
flow control capability.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
v3: rebase properly on imx/dt64 (without dropped patches)
v2: fix prefix of commit message and reboase 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 f52947b0cf77..89fc2c595056 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 7e7231046215..70b2ae55e906 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>, <&pinctrl_uart3_gpio>;
 	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>, <&pinctrl_uart4_gpio>;
 	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 edf0c7aaaef0..1b03aa154688 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>, <&pinctrl_uart1_gpio>;
 	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