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Message-ID: <CA+VMnFz__fdzm-N-jFX9L+n5znqeopD8B3tZN4FiH5fWtzUu4w@mail.gmail.com>
Date:   Thu, 23 Nov 2023 15:08:23 +0530
From:   Jagan Teki <jagan@...eble.ai>
To:     Sascha Hauer <s.hauer@...gutronix.de>
Cc:     linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Heiko Stuebner <heiko@...ech.de>,
        Chanwoo Choi <chanwoo@...nel.org>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>, kernel@...gutronix.de,
        Michael Riesch <michael.riesch@...fvision.net>,
        Robin Murphy <robin.murphy@....com>,
        Vincent Legoll <vincent.legoll@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: Re: [PATCH v8 26/26] arm64: dts: rockchip: rk3588s: Add DFI

On Wed, 18 Oct 2023 at 11:47, Sascha Hauer <s.hauer@...gutronix.de> wrote:
>
> The DFI unit can be used to measure DRAM utilization using perf. Add the
> node to the device tree. The DFI needs a rockchip,pmu phandle to the pmu
> containing registers for SDRAM configuration details. This is added in
> this patch as well.
>
> Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
> ---
>
> Notes:
>     Changes since v4:
>      - new patch
>
>  arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> index 5544f66c6ff41..e693a341f6f27 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> @@ -443,6 +443,11 @@ usb_host1_ohci: usb@...c0000 {
>                 status = "disabled";
>         };
>
> +       pmu1grf: syscon@...8a000 {
> +               compatible = "rockchip,rk3588-pmugrf", "syscon", "simple-mfd";
> +               reg = <0x0 0xfd58a000 0x0 0x10000>;
> +       };
> +
>         sys_grf: syscon@...8c000 {
>                 compatible = "rockchip,rk3588-sys-grf", "syscon";
>                 reg = <0x0 0xfd58c000 0x0 0x1000>;
> @@ -1329,6 +1334,17 @@ pcie2x1l2_intc: legacy-interrupt-controller {
>                 };
>         };
>
> +       dfi: dfi@...60000 {
> +               reg = <0x00 0xfe060000 0x00 0x10000>;
> +               compatible = "rockchip,rk3588-dfi";
> +               interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH 0>,
> +                            <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH 0>,
> +                            <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH 0>,
> +                            <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH 0>;
> +               interrupt-names = "ch0", "ch1", "ch2", "ch3";

Look like the names never documented and nor supported explicitly in
the driver. Do we have any patch for fixing it in the mailing-list?

arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dtb:
dfi@...60000: 'interrupt-names' does not match any of the regexes:
'pinctrl-[0-9]+'
from schema $id: http://devicetree.org/schemas/devfreq/event/rockchip,dfi.yaml#

Jagan.

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