Commit c77a6ac8 authored by Pali Rohár's avatar Pali Rohár Committed by Greg Kroah-Hartman
Browse files

arm64: dts: marvell: armada-37xx: add device node for UART clock and use it 



Define DT node for UART clock "marvell,armada-3700-uart-clock" and use
this UART clock as a base clock for all UART devices.

Reviewed-by: default avatarMarek Behún <kabel@kernel.org>
Acked-by: default avatarGregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: default avatarPali Rohár <pali@kernel.org>
Signed-off-by: default avatarMarek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20220219152818.4319-7-kabel@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 694b7112

arch/arm64/boot/dts/marvell/armada-37xx.dtsi

+12 −2
Original line number Diff line number Diff line
@@ -132,10 +132,20 @@ avs: avs@11500 { 
				reg = <0x11500 0x40>;

			};



			uartclk: clock-controller@12010 {

				compatible = "marvell,armada-3700-uart-clock";

				reg = <0x12010 0x4>, <0x12210 0x4>;

				clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>,

					 <&tbg 3>, <&xtalclk>;

				clock-names = "TBG-A-P", "TBG-B-P", "TBG-A-S",

					      "TBG-B-S", "xtal";

				#clock-cells = <1>;

			};



			uart0: serial@12000 {

				compatible = "marvell,armada-3700-uart";

				reg = <0x12000 0x18>;

				clocks = <&xtalclk>;

				clocks = <&uartclk 0>;

				interrupts =

				<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,

				<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
@@ -147,7 +157,7 @@ uart0: serial@12000 { 
			uart1: serial@12200 {

				compatible = "marvell,armada-3700-uart-ext";

				reg = <0x12200 0x30>;

				clocks = <&xtalclk>;

				clocks = <&uartclk 1>;

				interrupts =

				<GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,

				<GIC_SPI 31 IRQ_TYPE_EDGE_RISING>;