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authorMaxime Ripard <maxime@cerno.tech>2022-04-05 11:37:03 +0200
committerMaxime Ripard <maxime@cerno.tech>2022-04-05 11:37:03 +0200
commitcf5c5763eb531ff5120111ad300126e926fb5a56 (patch)
tree41e3d49ad46f08fd6025264451390c7dc204303a /Documentation/devicetree/bindings/serial/mvebu-uart.txt
parent8047f98c8958d0f0c29882298ec293ff09ffea92 (diff)
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
downloadlwn-cf5c5763eb531ff5120111ad300126e926fb5a56.tar.gz
lwn-cf5c5763eb531ff5120111ad300126e926fb5a56.zip
Merge drm/drm-fixes into drm-misc-fixes
Let's start the 5.18 fixes cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'Documentation/devicetree/bindings/serial/mvebu-uart.txt')
-rw-r--r--Documentation/devicetree/bindings/serial/mvebu-uart.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/serial/mvebu-uart.txt b/Documentation/devicetree/bindings/serial/mvebu-uart.txt
index 2d0dbdf32d1d..a062bbca532c 100644
--- a/Documentation/devicetree/bindings/serial/mvebu-uart.txt
+++ b/Documentation/devicetree/bindings/serial/mvebu-uart.txt
@@ -14,7 +14,10 @@ Required properties:
is provided (possible only with the "marvell,armada-3700-uart"
compatible string for backward compatibility), it will only work
if the baudrate was initialized by the bootloader and no baudrate
- change will then be possible.
+ change will then be possible. When provided it should be UART1-clk
+ for standard variant of UART and UART2-clk for extended variant
+ of UART. TBG clock (with UART TBG divisors d1=d2=1) or xtal clock
+ should not be used and are supported only for backward compatibility.
- interrupts:
- Must contain three elements for the standard variant of the IP
(marvell,armada-3700-uart): "uart-sum", "uart-tx" and "uart-rx",
@@ -34,7 +37,7 @@ Example:
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>,
@@ -45,7 +48,7 @@ Example:
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>;