| Message ID | 20210809145329.24177-6-pali@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | serial: mvebu-uart: Support for higher baudrates | expand |
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts index 3e5789f37206..accf014a6a1e 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts @@ -191,6 +191,10 @@ }; }; +&uartclk { + status = "okay"; +}; + /* * Exported on the micro USB connector CON30(V2.0)/CON32(V1.4) through * an FTDI (also on CON24(V2.0)/CON26(V1.4)). diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi index 5fc613d24151..d03c7cdfbfb3 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi @@ -117,6 +117,10 @@ }; }; +&uartclk { + status = "okay"; +}; + /* Exported on the micro USB connector J5 through an FTDI */ &uart0 { pinctrl-names = "default"; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index cacf2a05fb22..972c6d400f8b 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -167,6 +167,10 @@ status = "disabled"; }; +&uartclk { + status = "okay"; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts index 95d46e8d081c..c8217440b8dd 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts @@ -183,6 +183,10 @@ phy-names = "usb2-utmi-otg-phy"; }; +&uartclk { + status = "okay"; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index 20dd9d9e9d58..d9bdd374cf45 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -132,10 +132,21 @@ reg = <0x11500 0x40>; }; + uartclk: uartclk@12000 { + 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>; + status = "disabled"; + }; + 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 +158,7 @@ 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>;
This change defines DT node for UART clock "marvell,armada-3700-uart-clock" and use this UART clock as a base clock for all UART devices. Signed-off-by: Pali Rohár <pali@kernel.org> --- arch/arm64/boot/dts/marvell/armada-3720-db.dts | 4 ++++ .../boot/dts/marvell/armada-3720-espressobin.dtsi | 4 ++++ .../boot/dts/marvell/armada-3720-turris-mox.dts | 4 ++++ arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 4 ++++ arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 15 +++++++++++++-- 5 files changed, 29 insertions(+), 2 deletions(-)