On 07/09/2022 08:47, Smitha T Murthy wrote:
> Add MFC DT node and reserve memory node for MFC usage.
>
> Cc: linux-fsd@xxxxxxxxx
> Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/tesla/fsd-evb.dts | 4 ++++
> arch/arm64/boot/dts/tesla/fsd.dtsi | 22 ++++++++++++++++++++++
> 2 files changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> index 1db6ddf03f01..17bb048f9d47 100644
> --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> @@ -30,6 +30,10 @@
> };
> };
>
> +&clock_mfc {
> + status = "okay";
clock node was never disabled, so there is no need to enable it.
> +};
> +
> &fin_pll {
> clock-frequency = <24000000>;
> };
> diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
> index f35bc5a288c2..bca0ba030ee7 100644
> --- a/arch/arm64/boot/dts/tesla/fsd.dtsi
> +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
> @@ -340,6 +340,18 @@
> #clock-cells = <0>;
> };
>
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + mfc_left: region@84000000 {
> + compatible = "shared-dma-pool";
> + no-map;
> + reg = <0 0x84000000 0 0x8000000>;
> + };
> + };
> +
> soc: soc@0 {
> compatible = "simple-bus";
> #address-cells = <2>;
> @@ -832,6 +844,16 @@
> clock-names = "fin_pll", "mct";
> };
>
> + mfc: mfc@12880000 {
> + compatible = "samsung,fsd-mfc";
> + reg = <0x0 0x12880000 0x0 0x10000>;
> + interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
> + clock-names = "mfc";
> + clocks = <&clock_mfc MFC_MFC_IPCLKPORT_ACLK>;
> + memory-region = <&mfc_left>;
> + status = "okay";
Okay is by default, don't add it.
> + };
> +
> ufs: ufs@15120000 {
> compatible = "tesla,fsd-ufs";
> reg = <0x0 0x15120000 0x0 0x200>, /* 0: HCI standard */
Best regards,
Krzysztof
