diff options
Diffstat (limited to 'target/linux/ath79/patches-4.19/0019-dt-bindings-PCI-qcom-ar7240-adds-binding-doc.patch')
| -rw-r--r-- | target/linux/ath79/patches-4.19/0019-dt-bindings-PCI-qcom-ar7240-adds-binding-doc.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/ath79/patches-4.19/0019-dt-bindings-PCI-qcom-ar7240-adds-binding-doc.patch b/target/linux/ath79/patches-4.19/0019-dt-bindings-PCI-qcom-ar7240-adds-binding-doc.patch new file mode 100644 index 0000000000..a0af79cb4d --- /dev/null +++ b/target/linux/ath79/patches-4.19/0019-dt-bindings-PCI-qcom-ar7240-adds-binding-doc.patch @@ -0,0 +1,61 @@ +From ea27764bc3ef2a05decf3ae05edffc289cd0d93c Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Mon, 25 Jun 2018 15:52:02 +0200 +Subject: [PATCH 19/33] dt-bindings: PCI: qcom,ar7240: adds binding doc + +With the driver being converted from platform_data to pure OF, we need to +also add some docs. + +Cc: Rob Herring <robh+dt@kernel.org> +Cc: devicetree@vger.kernel.org +Signed-off-by: John Crispin <john@phrozen.org> +--- + .../devicetree/bindings/pci/qcom,ar7240-pci.txt | 42 ++++++++++++++++++++++ + 1 file changed, 42 insertions(+) + create mode 100644 Documentation/devicetree/bindings/pci/qcom,ar7240-pci.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/pci/qcom,ar7240-pci.txt +@@ -0,0 +1,42 @@ ++* Qualcomm Atheros AR724X PCI express root complex ++ ++Required properties: ++- compatible: should contain "qcom,ar7240-pci" to identify the core. ++- reg: Should contain the register ranges as listed in the reg-names property. ++- reg-names: Definition: Must include the following entries ++ - "crp_base" Configuration registers ++ - "ctrl_base" Control registers ++ - "cfg_base" IO Memory ++- #address-cells: set to <3> ++- #size-cells: set to <2> ++- ranges: ranges for the PCI memory and I/O regions ++- interrupt-map-mask and interrupt-map: standard PCI ++ properties to define the mapping of the PCIe interface to interrupt ++ numbers. ++- #interrupt-cells: set to <1> ++- interrupt-parent: phandle to the MIPS IRQ controller ++ ++Optional properties: ++- interrupt-controller: define to enable the builtin IRQ cascade. ++ ++* Example for qca9557 ++ pcie-controller@180c0000 { ++ compatible = "qcom,ar7240-pci"; ++ #address-cells = <3>; ++ #size-cells = <2>; ++ bus-range = <0x0 0x0>; ++ reg = <0x180c0000 0x1000>, ++ <0x180f0000 0x100>, ++ <0x14000000 0x1000>; ++ reg-names = "crp_base", "ctrl_base", "cfg_base"; ++ ranges = <0x2000000 0 0x10000000 0x10000000 0 0x04000000 ++ 0x1000000 0 0x00000000 0x00000000 0 0x00000001>; ++ interrupt-parent = <&intc2>; ++ interrupts = <1>; ++ ++ interrupt-controller; ++ #interrupt-cells = <1>; ++ ++ interrupt-map-mask = <0 0 0 1>; ++ interrupt-map = <0 0 0 0 &pcie0 0>; ++ }; |