This series adds the relavent DT bindings, new compatible string,
and add EP PCIe node in dtsi file for ep pcie0 controller.
v10 -> v11:
- Fixed Merged conflict on Patch 3
- Rebased on top of v6.9-rc6
- v10 link: https://lore.kernel.org/all/[email protected]/
v9 -> v10:
- rebased on top of 6.9-rc1
- dropped MHI EPF driver patches as those are applied
- v9 link: https://lore.kernel.org/all/[email protected]/
v8 -> v9:
- update author in "Add pci_epf_mhi_ prefix to the function" patch.
- add ack by and reviewed by tag in commit message.
v7 -> v8:
- Add new patch PCI: epf-mhi: Add "pci_epf_mhi_" prefix to the function
names
- Update PCI: epf-mhi: Add support for SA8775P patch on top of the new
patch and update commit message.
v6 -> v7:
- add reviewed by tag in commit message in all patches.
- update commit message in patch 2 as per comment.
- update reason for reusing PID in commit message.
v5 -> v6:
- update cover letter
v4 -> v5:
- add maxItems to the respective field to constrain io space and
interrupt in all variants.
v3 -> v4:
- add maxItems field in dt bindings
- update comment in patch2
- dropped PHY driver patch as it is already applied [1]
- update comment in EPF driver patch
- update commect in dtsi and add iommus instead of iommu-map
[1] https://lore.kernel.org/all/[email protected]/
v2 -> v3:
- removed if/then schemas, added minItems for reg,
reg-bnames, interrupt and interrupt-names instead.
- adding qcom,sa8775p-pcie-ep compitable for sa8775p
as we have some specific change to add.
- reusing sm8450's pcs_misc num table as it is same as sa8775p.
used appropriate namespace for pcs.
- remove const from sa8775p_header as kernel test robot
throwing some warnings due to this.
- remove fallback compatiable as we are adding compatiable for sa8775p.
v1 -> v2:
- update description for dma
- Reusing qcom,sdx55-pcie-ep compatibe so remove compaitable
for sa8775p
- sort the defines in phy header file and remove extra defines
- add const in return type pci_epf_header and remove MHI_EPF_USE_DMA
flag as hdma patch is not ready
- add fallback compatiable as qcom,sdx55-pcie-ep, add iommu property
Mrinmay Sarkar (3):
dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC
PCI: qcom-ep: Add support for SA8775P SOC
arm64: dts: qcom: sa8775p: Add ep pcie0 controller node
.../devicetree/bindings/pci/qcom,pcie-ep.yaml | 64 +++++++++++++++++++++-
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 46 ++++++++++++++++
drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
3 files changed, 109 insertions(+), 2 deletions(-)
--
2.7.4
Add ep pcie dtsi node for pcie0 controller found on sa8775p platform.
It supports gen4 and x2 link width. Limiting the speed to Gen3 due to
stability issues.
Signed-off-by: Mrinmay Sarkar <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
---
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 46 +++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 31de7359..4084e77 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3689,6 +3689,52 @@
};
};
+ pcie0_ep: pcie-ep@1c00000 {
+ compatible = "qcom,sa8775p-pcie-ep";
+ reg = <0x0 0x01c00000 0x0 0x3000>,
+ <0x0 0x40000000 0x0 0xf20>,
+ <0x0 0x40000f20 0x0 0xa8>,
+ <0x0 0x40001000 0x0 0x4000>,
+ <0x0 0x40200000 0x0 0x100000>,
+ <0x0 0x01c03000 0x0 0x1000>,
+ <0x0 0x40005000 0x0 0x2000>;
+ reg-names = "parf", "dbi", "elbi", "atu", "addr_space",
+ "mmio", "dma";
+
+ clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>;
+
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a";
+
+ interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 630 IRQ_TYPE_LEVEL_HIGH>;
+
+ interrupt-names = "global", "doorbell", "dma";
+
+ interconnects = <&pcie_anoc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>,
+ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>;
+ interconnect-names = "pcie-mem", "cpu-pcie";
+
+ iommus = <&pcie_smmu 0x0000 0x7f>;
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "core";
+ power-domains = <&gcc PCIE_0_GDSC>;
+ phys = <&pcie0_phy>;
+ phy-names = "pciephy";
+ max-link-speed = <3>; /* FIXME: Limiting the Gen speed due to stability issues */
+ num-lanes = <2>;
+
+ status = "disabled";
+ };
+
pcie0_phy: phy@1c04000 {
compatible = "qcom,sa8775p-qmp-gen4x2-pcie-phy";
reg = <0x0 0x1c04000 0x0 0x2000>;
--
2.7.4
Add devicetree bindings support for SA8775P SoC. It has DMA register
space and dma interrupt to support HDMA.
Signed-off-by: Mrinmay Sarkar <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
---
.../devicetree/bindings/pci/qcom,pcie-ep.yaml | 64 +++++++++++++++++++++-
1 file changed, 62 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index a223ce0..46802f7 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -13,6 +13,7 @@ properties:
compatible:
oneOf:
- enum:
+ - qcom,sa8775p-pcie-ep
- qcom,sdx55-pcie-ep
- qcom,sm8450-pcie-ep
- items:
@@ -20,6 +21,7 @@ properties:
- const: qcom,sdx55-pcie-ep
reg:
+ minItems: 6
items:
- description: Qualcomm-specific PARF configuration registers
- description: DesignWare PCIe registers
@@ -27,8 +29,10 @@ properties:
- description: Address Translation Unit (ATU) registers
- description: Memory region used to map remote RC address space
- description: BAR memory region
+ - description: DMA register space
reg-names:
+ minItems: 6
items:
- const: parf
- const: dbi
@@ -36,13 +40,14 @@ properties:
- const: atu
- const: addr_space
- const: mmio
+ - const: dma
clocks:
- minItems: 7
+ minItems: 5
maxItems: 8
clock-names:
- minItems: 7
+ minItems: 5
maxItems: 8
qcom,perst-regs:
@@ -57,14 +62,18 @@ properties:
- description: Perst separation enable offset
interrupts:
+ minItems: 2
items:
- description: PCIe Global interrupt
- description: PCIe Doorbell interrupt
+ - description: DMA interrupt
interrupt-names:
+ minItems: 2
items:
- const: global
- const: doorbell
+ - const: dma
reset-gpios:
description: GPIO used as PERST# input signal
@@ -125,6 +134,10 @@ allOf:
- qcom,sdx55-pcie-ep
then:
properties:
+ reg:
+ maxItems: 6
+ reg-names:
+ maxItems: 6
clocks:
items:
- description: PCIe Auxiliary clock
@@ -143,6 +156,10 @@ allOf:
- const: slave_q2a
- const: sleep
- const: ref
+ interrupts:
+ maxItems: 2
+ interrupt-names:
+ maxItems: 2
- if:
properties:
@@ -152,6 +169,10 @@ allOf:
- qcom,sm8450-pcie-ep
then:
properties:
+ reg:
+ maxItems: 6
+ reg-names:
+ maxItems: 6
clocks:
items:
- description: PCIe Auxiliary clock
@@ -172,6 +193,45 @@ allOf:
- const: ref
- const: ddrss_sf_tbu
- const: aggre_noc_axi
+ interrupts:
+ maxItems: 2
+ interrupt-names:
+ maxItems: 2
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sa8775p-pcie-ep
+ then:
+ properties:
+ reg:
+ minItems: 7
+ maxItems: 7
+ reg-names:
+ minItems: 7
+ maxItems: 7
+ clocks:
+ items:
+ - description: PCIe Auxiliary clock
+ - description: PCIe CFG AHB clock
+ - description: PCIe Master AXI clock
+ - description: PCIe Slave AXI clock
+ - description: PCIe Slave Q2A AXI clock
+ clock-names:
+ items:
+ - const: aux
+ - const: cfg
+ - const: bus_master
+ - const: bus_slave
+ - const: slave_q2a
+ interrupts:
+ minItems: 3
+ maxItems: 3
+ interrupt-names:
+ minItems: 3
+ maxItems: 3
unevaluatedProperties: false
--
2.7.4
Add support for SA8775P SoC to the Qualcomm PCIe Endpoint Controller
driver. Adding new compatible string as it has different set of clocks
compared to other SoCs.
Signed-off-by: Mrinmay Sarkar <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
---
drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 2fb8c15..a95c755 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -875,6 +875,7 @@ static void qcom_pcie_ep_remove(struct platform_device *pdev)
}
static const struct of_device_id qcom_pcie_ep_match[] = {
+ { .compatible = "qcom,sa8775p-pcie-ep", },
{ .compatible = "qcom,sdx55-pcie-ep", },
{ .compatible = "qcom,sm8450-pcie-ep", },
{ }
--
2.7.4