Re: [PATCH 11/11] arm64: dtsi: qcom: ipq9574: Add nodes to bring up multipd

From: Krzysztof Kozlowski
Date: Tue Mar 07 2023 - 10:44:41 EST


On 07/03/2023 05:41, Manikanta Mylavarapu wrote:
> Enable nodes required for multipd remoteproc bring up.
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 145 ++++++++++++++++++++++++++
> 1 file changed, 145 insertions(+)
>


> soc: soc@0 {
> compatible = "simple-bus";
> #address-cells = <1>;
> @@ -829,6 +858,122 @@ IRQ_TYPE_LEVEL_HIGH>, /* int_c */
> msi-parent = <&v2m0>;
> status = "disabled";
> };
> +
> + q6v5_wcss: remoteproc@cd00000 {

Be sure you put it in correct place - ordered by unit address.

> + compatible = "qcom,ipq9574-q6-mpd";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;

Why do you need them?

> + reg = <0x0cd00000 0x4040>;

reg is always a second property.

> + interrupts-extended = <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>,
> + <&wcss_smp2p_in 0 0>,
> + <&wcss_smp2p_in 1 0>,
> + <&wcss_smp2p_in 2 0>,
> + <&wcss_smp2p_in 3 0>;
> + interrupt-names = "wdog",
> + "fatal",
> + "ready",
> + "handover",
> + "stop-ack";
> +
> + clocks = <&gcc GCC_ANOC_WCSS_AXI_M_CLK>,
> + <&gcc GCC_WCSS_AHB_S_CLK>,
> + <&gcc GCC_WCSS_ECAHB_CLK>,
> + <&gcc GCC_WCSS_ACMT_CLK>,
> + <&gcc GCC_WCSS_AXI_M_CLK>,
> + <&gcc GCC_Q6_AXIM_CLK>,
> + <&gcc GCC_Q6_AXIM2_CLK>,
> + <&gcc GCC_Q6_AHB_CLK>,
> + <&gcc GCC_Q6_AHB_S_CLK>,
> + <&gcc GCC_Q6SS_BOOT_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_APB_BDG_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_ATB_BDG_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_DAPBUS_BDG_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_NTS_BDG_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_APB_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_ATB_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_DAPBUS_CLK>,
> + <&gcc GCC_WCSS_DBG_IFC_NTS_CLK>,
> + <&gcc GCC_Q6_TSCTR_1TO2_CLK>,
> + <&gcc GCC_Q6SS_ATBM_CLK>,
> + <&gcc GCC_Q6SS_PCLKDBG_CLK>,
> + <&gcc GCC_Q6SS_TRIG_CLK>,
> + <&gcc GCC_MEM_NOC_Q6_AXI_CLK>,
> + <&gcc GCC_WCSS_Q6_TBU_CLK>,
> + <&gcc GCC_SYS_NOC_WCSS_AHB_CLK>;
> +
> + clock-names = "anoc_wcss_axi_m",
> + "wcss_ahb_s",
> + "wcss_ecahb",
> + "wcss_acmt",
> + "wcss_axi_m",
> + "q6_axim",
> + "q6_axim2",
> + "q6_ahb",
> + "q6_ahb_s",
> + "q6ss_boot",
> + "dbg-apb-bdg",
> + "dbg-atb-bdg",
> + "dbg-dapbus-bdg",
> + "dbg-nts-bdg",
> + "dbg-apb",
> + "dbg-atb",
> + "dbg-dapbus",
> + "dbg-nts",
> + "q6_tsctr_1to2_clk",
> + "q6ss_atbm_clk",
> + "q6ss_pclkdbg_clk",
> + "q6ss_trig_clk",
> + "mem_noc_q6_axi",
> + "wcss_q6_tbu",
> + "sys_noc_wcss_ahb";
> +
> + assigned-clocks = <&gcc GCC_ANOC_WCSS_AXI_M_CLK>,
> + <&gcc GCC_WCSS_AHB_S_CLK>,
> + <&gcc GCC_WCSS_ECAHB_CLK>,
> + <&gcc GCC_WCSS_ACMT_CLK>,
> + <&gcc GCC_WCSS_AXI_M_CLK>,
> + <&gcc GCC_Q6_AXIM_CLK>,
> + <&gcc GCC_Q6_AXIM2_CLK>,
> + <&gcc GCC_Q6_AHB_CLK>,
> + <&gcc GCC_Q6_AHB_S_CLK>,
> + <&gcc GCC_Q6SS_BOOT_CLK>,
> + <&gcc GCC_MEM_NOC_Q6_AXI_CLK>,
> + <&gcc GCC_WCSS_Q6_TBU_CLK>,
> + <&gcc GCC_SYS_NOC_WCSS_AHB_CLK>;
> +
> + assigned-clock-rates = <266666667>,
> + <133333333>,
> + <133333333>,
> + <133333333>,
> + <266666667>,
> + <533000000>,
> + <342857143>,
> + <133333333>,
> + <133333333>,
> + <342857143>,
> + <533000000>,
> + <533000000>,
> + <133333333>;
> +
> + qcom,smem-states = <&wcss_smp2p_out 0>,
> + <&wcss_smp2p_out 1>;
> + qcom,smem-state-names = "shutdown",
> + "stop";
> +
> + memory-region = <&q6_region>;
> +
> + glink-edge {
> + interrupts = <GIC_SPI 321 IRQ_TYPE_EDGE_RISING>;
> + label = "rtr";
> + qcom,remote-pid = <1>;
> + mboxes = <&apcs_glb 8>;
> + };
> +
> + q6_wcss_pd1: remoteproc_pd1 {
> + compatible = "qcom,ipq9574-wcss-ahb-mpd";

Why do you need empty node? Usually there is no benefit and these should
be just part of parent.

> + };
> + };
> };
>
> rpm-glink {

Best regards,
Krzysztof