[SRU][M][PATCH 1/2] Add support for Quectel RM520N-GL modem

[Atlas Yu]

BugLink: https://bugs.launchpad.net/bugs/2063529

Add MHI interface definition for RM520 product based on Qualcomm SDX6X chip

Signed-off-by: Duke Xin(辛安文) <duke_xinanwen at 163.com>
Reviewed-by: Manivannan Sadhasivam <mani at kernel.org>
Link: https://lore.kernel.org/r/20230630062318.12114-1-duke_xinanwen@163.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
(backported from commit 1cad976a1be9e97ceca5797b7e1000e2f1a9980e)
[Atlas Yu: context changes]
Signed-off-by: Atlas Yu <atlas.yu at canonical.com>
---
 drivers/bus/mhi/host/pci_generic.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 8501a87c8369..514745c6b1a5 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -334,6 +334,16 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
 	.sideband_wake = true,
 };
 
+static const struct mhi_pci_dev_info mhi_quectel_rm5xx_info = {
+	.name = "quectel-rm5xx",
+	.edl = "qcom/prog_firehose_sdx6x.elf",
+	.config = &modem_quectel_em1xx_config,
+	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+	.dma_data_width = 32,
+	.mru_default = 32768,
+	.sideband_wake = true,
+};
+
 static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
 	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
 	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 0),
@@ -573,6 +583,9 @@ static const struct pci_device_id mhi_pci_id_table[] = {
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1002), /* EM160R-GL (sdx24) */
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
+	/* RM520N-GL (sdx6x), eSIM */
+	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1004),
+		.driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x2001), /* EM120R-GL for FCCL (sdx24) */
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
 	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
-- 
2.40.1