From: Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
Convert QCOM pci bindings to YAML schema
Signed-off-by: Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
---
[v2]
- Referenced pci-bus.yaml
- removed duplicate properties already referenced by pci-bus.yaml
- Addressed comments from Rob
.../devicetree/bindings/pci/qcom,pcie.txt | 330 ---------------
.../devicetree/bindings/pci/qcom,pcie.yaml | 447 +++++++++++++++++++++
2 files changed, 447 insertions(+), 330 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie.txt
create mode 100644 Documentation/devicetree/bindings/pci/qcom,pcie.yaml
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
deleted file mode 100644
index 981b4de12807..000000000000
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
+++ /dev/null
@@ -1,330 +0,0 @@
-* Qualcomm PCI express root complex
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: Value should contain
- - "qcom,pcie-ipq8064" for ipq8064
- - "qcom,pcie-apq8064" for apq8064
- - "qcom,pcie-apq8084" for apq8084
- - "qcom,pcie-msm8996" for msm8996 or apq8096
- - "qcom,pcie-ipq4019" for ipq4019
- - "qcom,pcie-ipq8074" for ipq8074
- - "qcom,pcie-qcs404" for qcs404
- - "qcom,pcie-sdm845" for sdm845
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Register ranges as listed in the reg-names property
-
-- reg-names:
- Usage: required
- Value type: <stringlist>
- Definition: Must include the following entries
- - "parf" Qualcomm specific registers
- - "dbi" DesignWare PCIe registers
- - "elbi" External local bus interface registers
- - "config" PCIe configuration space
-
-- device_type:
- Usage: required
- Value type: <string>
- Definition: Should be "pci". As specified in designware-pcie.txt
-
-- #address-cells:
- Usage: required
- Value type: <u32>
- Definition: Should be 3. As specified in designware-pcie.txt
-
-- #size-cells:
- Usage: required
- Value type: <u32>
- Definition: Should be 2. As specified in designware-pcie.txt
-
-- ranges:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: As specified in designware-pcie.txt
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: MSI interrupt
-
-- interrupt-names:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain "msi"
-
-- #interrupt-cells:
- Usage: required
- Value type: <u32>
- Definition: Should be 1. As specified in designware-pcie.txt
-
-- interrupt-map-mask:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: As specified in designware-pcie.txt
-
-- interrupt-map:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: As specified in designware-pcie.txt
-
-- clocks:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: List of phandle and clock specifier pairs as listed
- in clock-names property
-
-- clock-names:
- Usage: required
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "iface" Configuration AHB clock
-
-- clock-names:
- Usage: required for ipq/apq8064
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "core" Clocks the pcie hw block
- - "phy" Clocks the pcie PHY block
-- clock-names:
- Usage: required for apq8084/ipq4019
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "aux" Auxiliary (AUX) clock
- - "bus_master" Master AXI clock
- - "bus_slave" Slave AXI clock
-
-- clock-names:
- Usage: required for msm8996/apq8096
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "pipe" Pipe Clock driving internal logic
- - "aux" Auxiliary (AUX) clock
- - "cfg" Configuration clock
- - "bus_master" Master AXI clock
- - "bus_slave" Slave AXI clock
-
-- clock-names:
- Usage: required for ipq8074
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "iface" PCIe to SysNOC BIU clock
- - "axi_m" AXI Master clock
- - "axi_s" AXI Slave clock
- - "ahb" AHB clock
- - "aux" Auxiliary clock
-
-- clock-names:
- Usage: required for qcs404
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "iface" AHB clock
- - "aux" Auxiliary clock
- - "master_bus" AXI Master clock
- - "slave_bus" AXI Slave clock
-
--clock-names:
- Usage: required for sdm845
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "aux" Auxiliary clock
- - "cfg" Configuration clock
- - "bus_master" Master AXI clock
- - "bus_slave" Slave AXI clock
- - "slave_q2a" Slave Q2A clock
- - "tbu" PCIe TBU clock
- - "pipe" PIPE clock
-
-- resets:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: List of phandle and reset specifier pairs as listed
- in reset-names property
-
-- reset-names:
- Usage: required for ipq/apq8064
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "axi" AXI reset
- - "ahb" AHB reset
- - "por" POR reset
- - "pci" PCI reset
- - "phy" PHY reset
-
-- reset-names:
- Usage: required for apq8084
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "core" Core reset
-
-- reset-names:
- Usage: required for ipq/apq8064
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "axi_m" AXI master reset
- - "axi_s" AXI slave reset
- - "pipe" PIPE reset
- - "axi_m_vmid" VMID reset
- - "axi_s_xpu" XPU reset
- - "parf" PARF reset
- - "phy" PHY reset
- - "axi_m_sticky" AXI sticky reset
- - "pipe_sticky" PIPE sticky reset
- - "pwr" PWR reset
- - "ahb" AHB reset
- - "phy_ahb" PHY AHB reset
-
-- reset-names:
- Usage: required for ipq8074
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "pipe" PIPE reset
- - "sleep" Sleep reset
- - "sticky" Core Sticky reset
- - "axi_m" AXI Master reset
- - "axi_s" AXI Slave reset
- - "ahb" AHB Reset
- - "axi_m_sticky" AXI Master Sticky reset
-
-- reset-names:
- Usage: required for qcs404
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "axi_m" AXI Master reset
- - "axi_s" AXI Slave reset
- - "axi_m_sticky" AXI Master Sticky reset
- - "pipe_sticky" PIPE sticky reset
- - "pwr" PWR reset
- - "ahb" AHB reset
-
-- reset-names:
- Usage: required for sdm845
- Value type: <stringlist>
- Definition: Should contain the following entries
- - "pci" PCIe core reset
-
-- power-domains:
- Usage: required for apq8084 and msm8996/apq8096
- Value type: <prop-encoded-array>
- Definition: A phandle and power domain specifier pair to the
- power domain which is responsible for collapsing
- and restoring power to the peripheral
-
-- vdda-supply:
- Usage: required
- Value type: <phandle>
- Definition: A phandle to the core analog power supply
-
-- vdda_phy-supply:
- Usage: required for ipq/apq8064
- Value type: <phandle>
- Definition: A phandle to the analog power supply for PHY
-
-- vdda_refclk-supply:
- Usage: required for ipq/apq8064
- Value type: <phandle>
- Definition: A phandle to the analog power supply for IC which generates
- reference clock
-- vddpe-3v3-supply:
- Usage: optional
- Value type: <phandle>
- Definition: A phandle to the PCIe endpoint power supply
-
-- phys:
- Usage: required for apq8084 and qcs404
- Value type: <phandle>
- Definition: List of phandle(s) as listed in phy-names property
-
-- phy-names:
- Usage: required for apq8084 and qcs404
- Value type: <stringlist>
- Definition: Should contain "pciephy"
-
-- <name>-gpios:
- Usage: optional
- Value type: <prop-encoded-array>
- Definition: List of phandle and GPIO specifier pairs. Should contain
- - "perst-gpios" PCIe endpoint reset signal line
- - "wake-gpios" PCIe endpoint wake signal line
-
-* Example for ipq/apq8064
- pcie@1b500000 {
- compatible = "qcom,pcie-apq8064", "qcom,pcie-ipq8064", "snps,dw-pcie";
- reg = <0x1b500000 0x1000
- 0x1b502000 0x80
- 0x1b600000 0x100
- 0x0ff00000 0x100000>;
- reg-names = "dbi", "elbi", "parf", "config";
- device_type = "pci";
- linux,pci-domain = <0>;
- bus-range = <0x00 0xff>;
- num-lanes = <1>;
- #address-cells = <3>;
- #size-cells = <2>;
- ranges = <0x81000000 0 0 0x0fe00000 0 0x00100000 /* I/O */
- 0x82000000 0 0 0x08000000 0 0x07e00000>; /* memory */
- interrupts = <GIC_SPI 238 IRQ_TYPE_NONE>;
- interrupt-names = "msi";
- #interrupt-cells = <1>;
- interrupt-map-mask = <0 0 0 0x7>;
- interrupt-map = <0 0 0 1 &intc 0 36 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
- <0 0 0 2 &intc 0 37 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
- <0 0 0 3 &intc 0 38 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
- <0 0 0 4 &intc 0 39 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
- clocks = <&gcc PCIE_A_CLK>,
- <&gcc PCIE_H_CLK>,
- <&gcc PCIE_PHY_CLK>;
- clock-names = "core", "iface", "phy";
- resets = <&gcc PCIE_ACLK_RESET>,
- <&gcc PCIE_HCLK_RESET>,
- <&gcc PCIE_POR_RESET>,
- <&gcc PCIE_PCI_RESET>,
- <&gcc PCIE_PHY_RESET>;
- reset-names = "axi", "ahb", "por", "pci", "phy";
- pinctrl-0 = <&pcie_pins_default>;
- pinctrl-names = "default";
- };
-
-* Example for apq8084
- pcie0@fc520000 {
- compatible = "qcom,pcie-apq8084", "snps,dw-pcie";
- reg = <0xfc520000 0x2000>,
- <0xff000000 0x1000>,
- <0xff001000 0x1000>,
- <0xff002000 0x2000>;
- reg-names = "parf", "dbi", "elbi", "config";
- device_type = "pci";
- linux,pci-domain = <0>;
- bus-range = <0x00 0xff>;
- num-lanes = <1>;
- #address-cells = <3>;
- #size-cells = <2>;
- ranges = <0x81000000 0 0 0xff200000 0 0x00100000 /* I/O */
- 0x82000000 0 0x00300000 0xff300000 0 0x00d00000>; /* memory */
- interrupts = <GIC_SPI 243 IRQ_TYPE_NONE>;
- interrupt-names = "msi";
- #interrupt-cells = <1>;
- interrupt-map-mask = <0 0 0 0x7>;
- interrupt-map = <0 0 0 1 &intc 0 244 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
- <0 0 0 2 &intc 0 245 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
- <0 0 0 3 &intc 0 247 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
- <0 0 0 4 &intc 0 248 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
- clocks = <&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_AUX_CLK>;
- clock-names = "iface", "master_bus", "slave_bus", "aux";
- resets = <&gcc GCC_PCIE_0_BCR>;
- reset-names = "core";
- power-domains = <&gcc PCIE0_GDSC>;
- vdda-supply = <&pma8084_l3>;
- phys = <&pciephy0>;
- phy-names = "pciephy";
- perst-gpio = <&tlmm 70 GPIO_ACTIVE_LOW>;
- pinctrl-0 = <&pcie0_pins_default>;
- pinctrl-names = "default";
- };
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
new file mode 100644
index 000000000000..ddb84f49ac1c
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -0,0 +1,447 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/pci/qcom,pcie.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Qualcomm PCI express root complex
+
+maintainers:
+ - Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
+
+description:
+ QCOM PCIe controller uses Designware IP with Qualcomm specific hardware
+ wrappers.
+
+properties:
+ compatible:
+ enum:
+ - qcom,pcie-apq8064
+ - qcom,pcie-apq8084
+ - qcom,pcie-ipq4019
+ - qcom,pcie-ipq8064
+ - qcom,pcie-ipq8074
+ - qcom,pcie-msm8996
+ - qcom,pcie-qcs404
+ - qcom,pcie-sdm845
+
+ reg:
+ description: Register ranges as listed in the reg-names property
+ maxItems: 4
+
+ reg-names:
+ items:
+ - const: dbi
+ - const: elbi
+ - const: parf
+ - const: config
+
+ ranges:
+ maxItems: 2
+
+ interrupts:
+ items:
+ - description: MSI interrupts
+
+ interrupt-names:
+ const: msi
+
+ "#interrupt-cells":
+ const: 1
+
+ interrupt-map-mask:
+ items:
+ - description: standard PCI properties to define mapping of PCIe
+ interface to interrupt numbers.
+
+ interrupt-map:
+ maxItems: 4
+
+ clocks:
+ minItems: 1
+ maxItems: 7
+
+ clock-names:
+ minItems: 1
+ maxItems: 7
+
+ resets:
+ minItems: 1
+ maxItems: 12
+
+ reset-names:
+ minItems: 1
+ maxItems: 12
+
+ power-domains:
+ maxItems: 1
+
+ vdda-supply:
+ description: phandle to power supply
+
+ vdda_phy-supply:
+ description: phandle to the power supply to PHY
+
+ vdda_refclk-supply:
+ description: phandle to power supply for ref clock generator
+
+ vddpe-3v3-supply:
+ description: PCIe endpoint power supply
+
+ phys:
+ maxItems: 1
+ items:
+ - description: phandle to the PHY block
+
+ phy-names:
+ const: pciephy
+
+ perst-gpios:
+ description: Endpoint reset signal line
+ maxItems: 1
+
+ num-lanes:
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+ - "#interrupt-cells"
+ - interrupt-map-mask
+ - interrupt-map
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - phys
+ - phy-names
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-apq8064
+ then:
+ properties:
+ clocks:
+ items:
+ - description: clock for pcie hw block
+ - description: clock for pcie phy block
+ clock-names:
+ items:
+ - const: core
+ - const: phy
+ resets:
+ items:
+ - description: AXI reset
+ - description: AHB reset
+ - description: POR reset
+ - description: PCI reset
+ - description: PHY reset
+ reset-names:
+ items:
+ - const: axi
+ - const: ahb
+ - const: por
+ - const: pci
+ - const: phy
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-apq8084
+ then:
+ properties:
+ clocks:
+ items:
+ - description: AUX clock
+ - description: Master AXI clock
+ - description: Slave AXI clock
+ clock-names:
+ items:
+ - const: aux
+ - const: bus_master
+ - const: bus_slave
+ resets:
+ items:
+ - description: core reset
+ reset-names:
+ items:
+ - const: core
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-ipq4019
+ then:
+ properties:
+ clocks:
+ items:
+ - description: AUX clock
+ - description: Master AXI clock
+ - description: Slave AXI clock
+ clock-names:
+ items:
+ - const: aux
+ - const: master_bus
+ - const: master_slave
+ resets:
+ items:
+ - description: AXI master reset
+ - description: AXI slave reset
+ - description: PCIE pipe reset
+ - description: AXI vmid reset
+ - description: AXI XPU reset
+ - description: parf reset
+ - description: PHY reset
+ - description: AXI master sticky reset
+ - description: PCIE pipe sticky reset
+ - description: pwr reset
+ - description: AHB reset
+ - description: PHY AHB reset
+ reset-names:
+ items:
+ - const: axi_m
+ - const: axi_s
+ - const: pipe
+ - const: axi_m_vmid
+ - const: axi_s_xpu
+ - const: parf
+ - const: phy
+ - const: axi_m_sticky
+ - const: pipe_sticky
+ - const: pwr
+ - const: ahb
+ - const: phy_ahb
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-ipq8064
+ then:
+ properties:
+ clocks:
+ items:
+ - description: core clock
+ - description: interface clock
+ - description: phy clock
+ - description: Auxilary clock
+ - description: reference clock
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+ - const: phy
+ - const: aux
+ - const: ref
+ resets:
+ items:
+ - description: AXI reset
+ - description: AHB reset
+ - description: POR reset
+ - description: PCI reset
+ - description: PHY reset
+ - description: External reset
+ reset-names:
+ items:
+ - const: axi
+ - const: ahb
+ - const: por
+ - const: pci
+ - const: phy
+ - const: ext
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-ipq8074
+ then:
+ properties:
+ clocks:
+ items:
+ - description: sys noc interface clock
+ - description: AXI master clock
+ - description: AXI slave clock
+ - description: AHB clock
+ - description: Auxilary clock
+ clock-names:
+ items:
+ - const: iface
+ - const: axi_m
+ - const: axi_s
+ - const: ahb
+ - const: aux
+ resets:
+ items:
+ - description: PIPE reset
+ - description: PCIe sleep reset
+ - description: PCIe sticky reset
+ - description: AXI master reset
+ - description: AXI slave reset
+ - description: AHB reset
+ - description: AXI master sticky reset
+ reset-names:
+ items:
+ - const: pipe
+ - const: sleep
+ - const: sticky
+ - const: axi_m
+ - const: axi_s
+ - const: ahb
+ - const: axi_m_sticky
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-msm8996
+ then:
+ properties:
+ clocks:
+ items:
+ - description: PCIe pipe clock
+ - description: Auxilary clock
+ - description: AHB config clock
+ - description: AXI master clock
+ - description: AXI slave clock
+ clock-names:
+ items:
+ - const: pipe
+ - const: aux
+ - const: cfg
+ - const: bus_master
+ - const: bus_slave
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-qcs404
+ then:
+ properties:
+ clocks:
+ items:
+ - description: interface clock
+ - description: Auxilary clock
+ - description: AXI master clock
+ - description: AXI slave clock
+ clock-names:
+ items:
+ - const: iface
+ - const: aux
+ - const: master_bus
+ - const: slave_bus
+ resets:
+ items:
+ - description: AXI master reset
+ - description: AXI slave reset
+ - description: AXI master sticky reset
+ - description: PCIe pipe sticky reset
+ - description: power reset
+ - description: AHB reset
+ reset-names:
+ items:
+ - const: axi_m
+ - const: axi_s
+ - const: axi_m_sticky
+ - const: pipe_sticky
+ - const: pwr
+ - const: ahb
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,pcie-sdm845
+ then:
+ properties:
+ clocks:
+ items:
+ - description: PCIE pipe clock
+ - description: Auxilary clock
+ - description: AHB config clock
+ - description: AXI Master clock
+ - description: AXI Slave clock
+ - description: AXI Slave Q2A clock
+ - description: NOC TBU clock
+ clock-names:
+ items:
+ - const: pipe
+ - const: aux
+ - const: cfg
+ - const: bus_master
+ - const: bus_slave
+ - const: slave_q2a
+ - const: tbu
+ resets:
+ items:
+ - description: PCI reset
+ reset-names:
+ items:
+ - const: pci
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-qcs404.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ pcie: pci@10000000 {
+ compatible = "qcom,pcie-qcs404";
+ reg = <0x10000000 0xf1d>,
+ <0x10000f20 0xa8>,
+ <0x07780000 0x2000>,
+ <0x10001000 0x2000>;
+ reg-names = "dbi", "elbi", "parf", "config";
+ device_type = "pci";
+ linux,pci-domain = <0>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ ranges = <0x01000000 0 0 0x10003000 0 0x00010000>, /* I/O */
+ <0x02000000 0 0x10013000 0x10013000 0 0x007ed000>; /* memory */
+
+ interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
+ <0 0 0 2 &intc GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
+ <0 0 0 3 &intc GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
+ <0 0 0 4 &intc GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
+ clocks = <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_AXI_CLK>;
+ clock-names = "iface", "aux", "master_bus", "slave_bus";
+
+ resets = <&gcc 18>,
+ <&gcc 17>,
+ <&gcc 15>,
+ <&gcc 19>,
+ <&gcc GCC_PCIE_0_BCR>,
+ <&gcc 16>;
+ reset-names = "axi_m",
+ "axi_s",
+ "axi_m_sticky",
+ "pipe_sticky",
+ "pwr",
+ "ahb";
+
+ phys = <&pcie_phy>;
+ phy-names = "pciephy";
+
+ };
--
2.7.4
