diff options
| author | Pali Rohár <pali@kernel.org> | 2022-02-19 16:28:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-25 10:27:58 +0100 |
| commit | c77a6ac84085c0f27209f6f26c271d20f8e74f93 (patch) | |
| tree | f889dbfbc9b1aad2595c69c6a13c8cc259e5ed41 /arch | |
| parent | 694b7112473a33a3685e75f6cc45cbe939950753 (diff) | |
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: Marek Behún <kabel@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20220219152818.4319-7-kabel@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index 673f4906eef9..da2f6b5c4b20 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -132,10 +132,20 @@ 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 @@ 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>; |