interconnect: qcom: sdm660: Add missing a2noc qos clocks

It adds the missing a2noc clocks required for QoS registers programming
per downstream kernel[1].  Otherwise, qcom_icc_noc_set_qos_priority()
call on mas_ufs or mas_usb_hs node will simply result in a hardware hang
on SDM660 SoC.

[1] https://source.codeaurora.org/quic/la/kernel/msm-4.4/tree/arch/arm/boot/dts/qcom/sdm660-bus.dtsi?h=LA.UM.8.2.r1-04800-sdm660.0#n43

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210824043435.23190-3-shawn.guo@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>

diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c
index 99eef7e2d326a6b7202f6da88ce1d15a5a06a49b..fb23a5b780a46e2f5c999b19585472dc12589b8f 100644 (file)
--- a/drivers/interconnect/qcom/sdm660.c
+++ b/drivers/interconnect/qcom/sdm660.c
@@ -173,6 +173,16 @@ static const struct clk_bulk_data bus_mm_clocks[] = {
        { .id = "iface" },
 };
 
+static const struct clk_bulk_data bus_a2noc_clocks[] = {
+       { .id = "bus" },
+       { .id = "bus_a" },
+       { .id = "ipa" },
+       { .id = "ufs_axi" },
+       { .id = "aggre2_ufs_axi" },
+       { .id = "aggre2_usb3_axi" },
+       { .id = "cfg_noc_usb2_axi" },
+};
+
 /**
  * struct qcom_icc_provider - Qualcomm specific interconnect provider
  * @provider: generic interconnect provider
@@ -809,6 +819,10 @@ static int qnoc_probe(struct platform_device *pdev)
                qp->bus_clks = devm_kmemdup(dev, bus_mm_clocks,
                                            sizeof(bus_mm_clocks), GFP_KERNEL);
                qp->num_clks = ARRAY_SIZE(bus_mm_clocks);
+       } else if (of_device_is_compatible(dev->of_node, "qcom,sdm660-a2noc")) {
+               qp->bus_clks = devm_kmemdup(dev, bus_a2noc_clocks,
+                                           sizeof(bus_a2noc_clocks), GFP_KERNEL);
+               qp->num_clks = ARRAY_SIZE(bus_a2noc_clocks);
        } else {
                if (of_device_is_compatible(dev->of_node, "qcom,sdm660-bimc"))
                        qp->is_bimc_node = true;