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Miller" Cc: linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-mmc@vger.kernel.org, linux-rtc@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Neil Armstrong , devicetree@vger.kernel.org X-Mailer: b4 0.10.1 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749845135578929222?= X-GMAIL-MSGID: =?utf-8?q?1749845135578929222?= Convert the Amlogic Meson AXG DWC PCIE SoC controller bindings to dt-schema. Signed-off-by: Neil Armstrong Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/pci/amlogic,axg-pcie.yaml | 129 +++++++++++++++++++++ .../devicetree/bindings/pci/amlogic,meson-pcie.txt | 70 ----------- 2 files changed, 129 insertions(+), 70 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml b/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml new file mode 100644 index 000000000000..563a0a3fa6f0 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/amlogic,axg-pcie.yaml @@ -0,0 +1,129 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/amlogic,axg-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson AXG DWC PCIE SoC controller + +maintainers: + - Neil Armstrong + +description: + Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. + +allOf: + - $ref: snps,dw-pcie.yaml# + +# We need a select here so we don't match all nodes with 'snps,dw-pcie' +select: + properties: + compatible: + contains: + enum: + - amlogic,axg-pcie + - amlogic,g12a-pcie + required: + - compatible + +properties: + compatible: + items: + - enum: + - amlogic,axg-pcie + - amlogic,g12a-pcie + - const: snps,dw-pcie + + reg: + items: + - description: External local bus interface registers + - description: Meson designed configuration registers + - description: PCIe configuration space + + reg-names: + items: + - const: elbi + - const: cfg + - const: config + + interrupts: + maxItems: 1 + + clocks: + items: + - description: PCIe GEN 100M PLL clock + - description: PCIe RC clock gate + - description: PCIe PHY clock + + clock-names: + items: + - const: pclk + - const: port + - const: general + + phys: + maxItems: 1 + + phy-names: + const: pcie + + resets: + items: + - description: Port Reset + - description: Shared APB reset + + reset-names: + items: + - const: port + - const: apb + + num-lanes: + const: 1 + +required: + - compatible + - reg + - reg-names + - interrupts + - "#address-cells" + - "#size-cells" + - "#interrupt-cells" + - interrupt-map + - interrupt-map-mask + - ranges + - bus-range + - device_type + - num-lanes + - phys + - phy-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + pcie: pcie@f9800000 { + compatible = "amlogic,axg-pcie", "snps,dw-pcie"; + reg = <0xf9800000 0x400000>, <0xff646000 0x2000>, <0xf9f00000 0x100000>; + reg-names = "elbi", "cfg", "config"; + interrupts = ; + clocks = <&pclk>, <&clk_port>, <&clk_phy>; + clock-names = "pclk", "port", "general"; + resets = <&reset_pcie_port>, <&reset_pcie_apb>; + reset-names = "port", "apb"; + phys = <&pcie_phy>; + phy-names = "pcie"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>; + bus-range = <0x0 0xff>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + num-lanes = <1>; + ranges = <0x82000000 0 0 0xf9c00000 0 0x00300000>; + }; +... diff --git a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt b/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt deleted file mode 100644 index c3a75ac6e59d..000000000000 --- a/Documentation/devicetree/bindings/pci/amlogic,meson-pcie.txt +++ /dev/null @@ -1,70 +0,0 @@ -Amlogic Meson AXG DWC PCIE SoC controller - -Amlogic Meson PCIe host controller is based on the Synopsys DesignWare PCI core. -It shares common functions with the PCIe DesignWare core driver and -inherits common properties defined in -Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml. - -Additional properties are described here: - -Required properties: -- compatible: - should contain : - - "amlogic,axg-pcie" for AXG SoC Family - - "amlogic,g12a-pcie" for G12A SoC Family - to identify the core. -- reg: - should contain the configuration address space. -- reg-names: Must be - - "elbi" External local bus interface registers - - "cfg" Meson specific registers - - "config" PCIe configuration space -- reset-gpios: The GPIO to generate PCIe PERST# assert and deassert signal. -- clocks: Must contain an entry for each entry in clock-names. -- clock-names: Must include the following entries: - - "pclk" PCIe GEN 100M PLL clock - - "port" PCIe_x(A or B) RC clock gate - - "general" PCIe Phy clock -- resets: phandle to the reset lines. -- reset-names: must contain "port" and "apb" - - "port" Port A or B reset - - "apb" Share APB reset -- phys: should contain a phandle to the PCIE phy -- phy-names: must contain "pcie" - -- device_type: - should be "pci". As specified in snps,dw-pcie.yaml - - -Example configuration: - - pcie: pcie@f9800000 { - compatible = "amlogic,axg-pcie", "snps,dw-pcie"; - reg = <0x0 0xf9800000 0x0 0x400000 - 0x0 0xff646000 0x0 0x2000 - 0x0 0xf9f00000 0x0 0x100000>; - reg-names = "elbi", "cfg", "config"; - reset-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_HIGH>; - interrupts = ; - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 179 IRQ_TYPE_EDGE_RISING>; - bus-range = <0x0 0xff>; - #address-cells = <3>; - #size-cells = <2>; - device_type = "pci"; - ranges = <0x82000000 0 0 0x0 0xf9c00000 0 0x00300000>; - - clocks = <&clkc CLKID_USB - &clkc CLKID_PCIE_A - &clkc CLKID_PCIE_CML_EN0>; - clock-names = "general", - "pclk", - "port"; - resets = <&reset RESET_PCIE_A>, - <&reset RESET_PCIE_APB>; - reset-names = "port", - "apb"; - phys = <&pcie_phy>; - phy-names = "pcie"; - };