From 9e83bbdb6fc3414a46ce92ceafa53f0067bc1f57 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Wed, 30 Aug 2017 12:16:06 +0200 Subject: [PATCH] arm64: dts: marvell: add UART muxing on Armada 7K/8K This commit adds the relevant details in the Armada 7K/8K Device Tree to properly mux the UART used for the serial console. Since there is basically only one possible muxing for the UART0 on the AP, the muxing configuration is described in armada-ap806.dtsi, and selected from the individual boards (other boards could be using a different UART). Signed-off-by: Thomas Petazzoni Signed-off-by: Gregory CLEMENT --- arch/arm64/boot/dts/marvell/armada-7040-db.dts | 2 ++ arch/arm64/boot/dts/marvell/armada-8040-db.dts | 2 ++ arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 2 ++ arch/arm64/boot/dts/marvell/armada-ap806.dtsi | 5 +++++ 4 files changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/armada-7040-db.dts b/arch/arm64/boot/dts/marvell/armada-7040-db.dts index 9c3bdf87e5433..64a8e020c09de 100644 --- a/arch/arm64/boot/dts/marvell/armada-7040-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-7040-db.dts @@ -124,6 +124,8 @@ &uart0 { status = "okay"; + pinctrl-0 = <&uart0_pins>; + pinctrl-names = "default"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-8040-db.dts b/arch/arm64/boot/dts/marvell/armada-8040-db.dts index 0d7b2ae466100..2a9b68ea73924 100644 --- a/arch/arm64/boot/dts/marvell/armada-8040-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-8040-db.dts @@ -139,6 +139,8 @@ /* Accessible over the mini-USB CON9 connector on the main board */ &uart0 { status = "okay"; + pinctrl-0 = <&uart0_pins>; + pinctrl-names = "default"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts index acf5c7d16d79b..e7a7cbee2fe4f 100644 --- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts +++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts @@ -101,6 +101,8 @@ &uart0 { status = "okay"; + pinctrl-0 = <&uart0_pins>; + pinctrl-names = "default"; }; &ap_sdhci0 { diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi index 4d360713ed124..1eb51e015002e 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi @@ -263,6 +263,11 @@ ap_pinctrl: pinctrl { compatible = "marvell,ap806-pinctrl"; + + uart0_pins: uart0-pins { + marvell,pins = "mpp11", "mpp19"; + marvell,function = "uart0"; + }; }; ap_gpio: gpio { -- 2.30.2