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authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2023-07-17 09:54:57 +0300
committerKrzysztof Wilczyński <kwilczynski@kernel.org>2023-08-26 19:54:46 +0300
commit8ab8a31645b83c6446da6254c099032bab871b23 (patch)
tree3549ba6b6239687be2e146859d60cc751be21e69 /drivers/pci
parent7b99aaaddabba18ba13d74e3c17a8cc094cf6707 (diff)
downloadlinux-8ab8a31645b83c6446da6254c099032bab871b23.tar.xz
PCI: epf-mhi: Add support for SM8450
Add support for Qualcomm Snapdragon SM8450 SoC to the EPF driver. SM8450 has the dedicated PID (0x0306) and supports eDMA. Currently, it has no fixed PCI class, so it is being advertised as "PCI_CLASS_OTHERS". Link: https://lore.kernel.org/linux-pci/20230717065459.14138-6-manivannan.sadhasivam@linaro.org Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/endpoint/functions/pci-epf-mhi.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index 272eabc255fc..fec9743a63f0 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -97,6 +97,23 @@ static const struct pci_epf_mhi_ep_info sdx55_info = {
.mru = 0x8000,
};
+static struct pci_epf_header sm8450_header = {
+ .vendorid = PCI_VENDOR_ID_QCOM,
+ .deviceid = 0x0306,
+ .baseclass_code = PCI_CLASS_OTHERS,
+ .interrupt_pin = PCI_INTERRUPT_INTA,
+};
+
+static const struct pci_epf_mhi_ep_info sm8450_info = {
+ .config = &mhi_v1_config,
+ .epf_header = &sm8450_header,
+ .bar_num = BAR_0,
+ .epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32,
+ .msi_count = 32,
+ .mru = 0x8000,
+ .flags = MHI_EPF_USE_DMA,
+};
+
struct pci_epf_mhi {
const struct pci_epc_features *epc_features;
const struct pci_epf_mhi_ep_info *info;
@@ -654,9 +671,8 @@ static int pci_epf_mhi_probe(struct pci_epf *epf,
}
static const struct pci_epf_device_id pci_epf_mhi_ids[] = {
- {
- .name = "sdx55", .driver_data = (kernel_ulong_t)&sdx55_info,
- },
+ { .name = "sdx55", .driver_data = (kernel_ulong_t)&sdx55_info },
+ { .name = "sm8450", .driver_data = (kernel_ulong_t)&sm8450_info },
{},
};