Re: [PATCH v3 3/3] arm64: dts: Enabled MHI device over PCIe

From: Manivannan Sadhasivam
Date: Thu Oct 08 2020 - 09:11:26 EST


Hi,

On Thu, Oct 08, 2020 at 06:02:24PM +0530, Gokul Sriram Palanisamy wrote:
> Enabled MHI device support over PCIe and added memory
> reservation required for MHI enabled QCN9000 PCIe card.
>
> Signed-off-by: Gokul Sriram Palanisamy <gokulsri@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi | 47 ++++++++++++++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
> index 0827055..e5c1ec0 100644
> --- a/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq8074-hk10.dtsi
> @@ -24,6 +24,22 @@
> device_type = "memory";
> reg = <0x0 0x40000000 0x0 0x20000000>;
> };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + qcn9000_pcie0: memory@50f00000 {
> + no-map;
> + reg = <0x0 0x50f00000 0x0 0x03700000>;
> + };
> +
> + qcn9000_pcie1: memory@54600000 {
> + no-map;
> + reg = <0x0 0x54600000 0x0 0x03700000>;
> + };
> + };
> };
>
> &blsp1_spi1 {
> @@ -45,11 +61,42 @@
> &pcie0 {
> status = "ok";
> perst-gpio = <&tlmm 58 0x1>;
> +
> + pcie0_rp: pcie0_rp {
> + reg = <0 0 0 0 0>;
> +
> + status = "ok";
> + mhi_0: qcom,mhi@0 {

MHI doesn't support devicetree as of now so how is this supposed to work?
Have you tested this series with mainline?

Thanks,
Mani

> + reg = <0 0 0 0 0 >;
> +
> + qrtr_instance_id = <0x20>;
> + base-addr = <0x50f00000>;
> + m3-dump-addr = <0x53c00000>;
> + etr-addr = <0x53d00000>;
> + qcom,caldb-addr = <0x53e00000>;
> + };
> + };
> };
>
> &pcie1 {
> status = "ok";
> perst-gpio = <&tlmm 61 0x1>;
> +
> + pcie1_rp: pcie1_rp {
> + reg = <0 0 0 0 0>;
> +
> + status = "ok";
> + mhi_1: qcom,mhi@1 {
> + reg = <0 0 0 0 0 >;
> +
> + qrtr_instance_id = <0x21>;
> + base-addr = <0x54600000>;
> + m3-dump-addr = <0x57300000>;
> + etr-addr = <0x57400000>;
> + qcom,caldb-addr = <0x57500000>;
> + };
> + };
> + };
> };
>
> &qmp_pcie_phy0 {
> --
> 2.7.4
>