Hi,
On Wed, May 24, 2023 at 10:31:53AM +0200, Sascha Hauer 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.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
>
> 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 657c019d27fa9..4a445d8704c8f 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> @@ -388,6 +388,11 @@ scmi_shmem: sram@0 {
> };
> };
>
> + pmu1grf: syscon@fd58a000 {
> + compatible = "rockchip,rk3588-pmugrf", "syscon", "simple-mfd";
^^^^^^^^^^^^^^^^^^^^^^
Must be added in Documentation/devicetree/bindings/soc/rockchip/grf.yaml
Otherwise the patch is
Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
-- Sebastian
> + reg = <0x0 0xfd58a000 0x0 0x10000>;
> + };
> +
> sys_grf: syscon@fd58c000 {
> compatible = "rockchip,rk3588-sys-grf", "syscon";
> reg = <0x0 0xfd58c000 0x0 0x1000>;
> @@ -1112,6 +1117,17 @@ qos_vop_m1: qos@fdf82200 {
> reg = <0x0 0xfdf82200 0x0 0x20>;
> };
>
> + dfi: dfi@fe060000 {
> + 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";
> + rockchip,pmu = <&pmu1grf>;
> + };
> +
> gmac1: ethernet@fe1c0000 {
> compatible = "rockchip,rk3588-gmac", "snps,dwmac-4.20a";
> reg = <0x0 0xfe1c0000 0x0 0x10000>;
> --
> 2.39.2
>
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