[PATCH v2 2/2] ARM: dts: at91: sama5d2: add ETM and ETB nodes
Boris Brezillon
boris.brezillon at free-electrons.com
Wed Jul 20 02:17:16 PDT 2016
On Tue, 5 Jul 2016 10:05:50 +0200
Olivier Schonken <olivier.schonken at gmail.com> wrote:
> Add node to support SAMA5D2 Embedded Trace Macrocell and Embedded
> Trace Buffer.
>
> This patch depends on coresight-etm3x: Add ARM ETM-A5 peripheral ID
> for proper coresight functionality.
> It also depends on clocksource: timer-atmel-pit: enable mck to not
> stall SAMA5D2 on bootup.
>
> Signed-off-by: Olivier Schonken <olivier.schonken at gmail.com>
Acked-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> ---
> arch/arm/boot/dts/sama5d2.dtsi | 29 +++++++++++++++++++++++++++++
> 1 file changed, 29 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 5d63206..bde24ab 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -77,6 +77,35 @@
> interrupts = <2 IRQ_TYPE_LEVEL_HIGH 0>;
> };
>
> + etb {
> + compatible = "arm,coresight-etb10", "arm,primecell";
> + reg = <0x740000 0x1000>;
> +
> + clocks = <&mck>;
> + clock-names = "apb_pclk";
> +
> + port {
> + etb_in: endpoint {
> + slave-mode;
> + remote-endpoint = <&etm_out>;
> + };
> + };
> + };
> +
> + etm {
> + compatible = "arm,coresight-etm3x", "arm,primecell";
> + reg = <0x73C000 0x1000>;
> +
> + clocks = <&mck>;
> + clock-names = "apb_pclk";
> +
> + port {
> + etm_out: endpoint {
> + remote-endpoint = <&etb_in>;
> + };
> + };
> + };
> +
> memory {
> reg = <0x20000000 0x20000000>;
> };
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