On 08/11/2014 09:27 AM, Simon Glass wrote:
Some Tegra device tree files do not include information about the serial
ports. Add this and also add information about the input clock speed.
The console alias needs to be set up to indicate which port is used for
the console.
Also add a binding file since this is missing.
diff --git a/arch/arm/dts/tegra114-dalmore.dts
b/arch/arm/dts/tegra114-dalmore.dts
aliases {
+ console = &uart_d;
Did the use of "console" get OK'd on the devicetree mailing list then?
I know we have this bug in the kernel DTs, but let's fix it here:
phandle values should have <> around them:
console = <&uart_d>;
diff --git a/arch/arm/dts/tegra114.dtsi b/arch/arm/dts/tegra114.dtsi
+ uart_a: serial@70006000 {
+ compatible = "nvidia,tegra20-uart";
+ reg = <0x70006000 0x40>;
+ reg-shift = <2>;
+ interrupts = < 68 >;
+ };
In order to prevent the kernel and U-Boot DT files from diverging, can
you copy the entire DT content from the kernel rather than just a
subset, i.e.:
uarta: serial@70006000 {
compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
reg = <0x70006000 0x40>;
reg-shift = <2>;
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&tegra_car TEGRA114_CLK_UARTA>;
resets = <&tegra_car 6>;
reset-names = "serial";
dmas = <&apbdma 8>, <&apbdma 8>;
dma-names = "rx", "tx";
status = "disabled";
};
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