diff options
| author | Marek Vasut <marex@denx.de> | 2019-05-16 01:45:54 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-05-20 04:09:23 +0300 |
| commit | 3905e2fea9498b82150e7d802fc61ede07d74ad7 (patch) | |
| tree | 4bf7add9464ec4693a1915a444ce7a6a368a11ba /arch/arm/boot/dts/imx53-m53menlo.dts | |
| parent | ee3b39eb38442061ed65fde0e4e074866545a453 (diff) | |
| download | linux-3905e2fea9498b82150e7d802fc61ede07d74ad7.tar.xz | |
ARM: dts: imx53: Update UART configuration on M53Menlo
Enable flow control lines on UART1 and UART2, add matching pinmux entries.
Add and enable UART3 with RS485 mode enabled on boot.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
To: linux-arm-kernel@lists.infradead.org
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx53-m53menlo.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx53-m53menlo.dts | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx53-m53menlo.dts b/arch/arm/boot/dts/imx53-m53menlo.dts index f0a3fde0739c..62bc6a95a477 100644 --- a/arch/arm/boot/dts/imx53-m53menlo.dts +++ b/arch/arm/boot/dts/imx53-m53menlo.dts @@ -244,6 +244,8 @@ fsl,pins = < MX53_PAD_PATA_DIOW__UART1_TXD_MUX 0x1e4 MX53_PAD_PATA_DMACK__UART1_RXD_MUX 0x1e4 + MX53_PAD_PATA_IORDY__UART1_RTS 0x1e4 + MX53_PAD_PATA_RESET_B__UART1_CTS 0x1e4 >; }; @@ -251,6 +253,16 @@ fsl,pins = < MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX 0x1e4 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX 0x1e4 + MX53_PAD_PATA_DIOR__UART2_RTS 0x1e4 + MX53_PAD_PATA_INTRQ__UART2_CTS 0x1e4 + >; + }; + + pinctrl_uart3: uart3grp { + fsl,pins = < + MX53_PAD_PATA_CS_1__UART3_RXD_MUX 0x1e4 + MX53_PAD_PATA_CS_0__UART3_TXD_MUX 0x1e4 + MX53_PAD_PATA_DA_2__UART3_RTS 0x1e4 >; }; @@ -287,12 +299,21 @@ &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; + uart-has-rtscts; status = "okay"; }; &uart2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; + uart-has-rtscts; + status = "okay"; +}; + +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3>; + linux,rs485-enabled-at-boot-time; status = "okay"; }; |