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From: Marek Szyprowski <m.szyprowski@samsung.com>
To: linux-samsung-soc@vger.kernel.org, linux-pci@vger.kernel.org
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Jingoo Han <jingoohan1@gmail.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Rob Herring <robh+dt@kernel.org>
Subject: [PATCH 2/6] Documetation: dt-bindings: add the samsung,exynos-pcie binding
Date: Mon, 19 Oct 2020 11:47:11 +0200	[thread overview]
Message-ID: <20201019094715.15343-3-m.szyprowski@samsung.com> (raw)
In-Reply-To: <20201019094715.15343-1-m.szyprowski@samsung.com>

From: Jaehoon Chung <jh80.chung@samsung.com>

Add dt-bindings for the Samsung Exynos PCIe controller (Exynos5433
variant).

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
[mszyprow: updated the binding to latest driver changes, rewrote it in yaml,
	   rewrote commit message]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 .../bindings/pci/samsung,exynos-pcie.yaml     | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml

diff --git a/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml b/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
new file mode 100644
index 000000000000..48fb569c238c
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
@@ -0,0 +1,104 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/samsung,exynos-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SoC series PCIe Host Controller Device Tree Bindings
+
+maintainers:
+  - Jaehoon Chung <jh80.chung@samsung.com>
+
+description: |+
+  Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
+  PCIe IP and thus inherits all the common properties defined in
+  designware-pcie.txt.
+
+allOf:
+  - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+  compatible:
+    enum:
+      - samsung,exynos5433-pcie
+
+  reg:
+    items:
+      - description: External Local Bus interface (ELBI) registers.
+      - description: Data Bus Interface (DBI) registers.
+      - description: PCIe configuration space region.
+
+  reg-names:
+    items:
+      - const: elbi
+      - const: bdi
+      - const: config
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: PCIe bridge clock
+      - description: PCIe bus clock
+
+  clock-names:
+    items:
+      - const: pcie
+      - const: pcie_bus
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    const: pcie-phy
+
+  vdd10-supply:
+    description:
+      Phandle to a regulator that provides 1.0V power to the PCIe block.
+
+  vdd18-supply:
+    description:
+      Phandle to a regulator that provides 1.8V power to the PCIe block.
+
+required:
+  - reg
+  - reg-names
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - phys
+  - phy-names
+  - vdd10-supply
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/exynos5433.h>
+
+    pcie: pcie@15700000 {
+        compatible = "samsung,exynos5433-pcie";
+        reg = <0x156b0000 0x1000>, <0x15700000 0x1000>, <0x0c000000 0x1000>;
+        reg-names = "elbi", "dbi", "config";
+        #address-cells = <3>;
+        #size-cells = <2>;
+        #interrupt-cells = <1>;
+        device_type = "pci";
+        interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&cmu_fsys CLK_PCIE>, <&cmu_fsys CLK_PCLK_PCIE_PHY>;
+        clock-names = "pcie", "pcie_bus";
+        phys = <&pcie_phy>;
+        phy-names = "pcie-phy";
+        pinctrl-names = "default";
+        pinctrl-0 = <&pcie_bus &pcie_wlanen>;
+        num-lanes = <1>;
+        bus-range = <0x00 0xff>;
+        ranges = <0x81000000 0 0	  0x0c001000 0 0x00010000>,
+                 <0x82000000 0 0x0c011000 0x0c011000 0 0x03feefff>;
+        vdd10-supply = <&ldo6_reg>;
+        vdd18-supply = <&ldo7_reg>;
+        iterrupt-map-mask = <0 0 0 0>;
+        interrupt-map = <0 0 0 0 &gic GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
+    };
-- 
2.17.1


  parent reply	other threads:[~2020-10-19  9:48 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20201019094737eucas1p283ea94186450c0756442624d95de627f@eucas1p2.samsung.com>
2020-10-19  9:47 ` [PATCH 0/6] Add DW PCIe support for Exynos5433 SoCs Marek Szyprowski
     [not found]   ` <CGME20201019094738eucas1p29b377b561089cfc3eba1755d475125b9@eucas1p2.samsung.com>
2020-10-19  9:47     ` [PATCH 1/6] Documetation: dt-bindings: drop samsung,exynos5440-pcie binding Marek Szyprowski
2020-10-19 10:08       ` Krzysztof Kozlowski
2020-10-19 20:07       ` Rob Herring
     [not found]   ` <CGME20201019094739eucas1p18cd4c7e5a0197393d2e7c5c6fcc2777d@eucas1p1.samsung.com>
2020-10-19  9:47     ` Marek Szyprowski [this message]
2020-10-19 10:12       ` [PATCH 2/6] Documetation: dt-bindings: add the samsung,exynos-pcie binding Krzysztof Kozlowski
2020-10-19 10:18         ` Krzysztof Kozlowski
2020-10-21 11:59           ` Marek Szyprowski
2020-10-21 12:12             ` Krzysztof Kozlowski
2020-10-19 10:28       ` Krzysztof Kozlowski
2020-10-19 13:38       ` Rob Herring
2020-10-21 12:05         ` Marek Szyprowski
     [not found]   ` <CGME20201019094739eucas1p17424b1224bf2a1a5b16c33deb4209166@eucas1p1.samsung.com>
2020-10-19  9:47     ` [PATCH 3/6] Documetation: dt-bindings: add the samsung,exynos-pcie-phy binding Marek Szyprowski
2020-10-19 10:14       ` Krzysztof Kozlowski
2020-10-19 20:09       ` Rob Herring
     [not found]   ` <CGME20201019094740eucas1p10ea264deb2cd185858d0dfdd9f6ed6fe@eucas1p1.samsung.com>
2020-10-19  9:47     ` [PATCH 4/6] phy: samsung: phy-exynos-pcie: rework driver to support Exynos5433 PCIe PHY Marek Szyprowski
2020-10-19 10:16       ` Krzysztof Kozlowski
     [not found]   ` <CGME20201019094740eucas1p2cd873b29bc19708f9a712d955cba62fe@eucas1p2.samsung.com>
2020-10-19  9:47     ` [PATCH 5/6] pci: dwc: pci-exynos: rework the driver to support Exynos5433 variant Marek Szyprowski
2020-10-19 10:21       ` Krzysztof Kozlowski
     [not found]   ` <CGME20201019094741eucas1p1b4934cd5024a18804fcee921294acee0@eucas1p1.samsung.com>
2020-10-19  9:47     ` [PATCH 6/6] arm64: dts: exynos: add the WiFi/PCIe support to TM2(e) boards Marek Szyprowski
2020-10-19 10:31       ` Krzysztof Kozlowski

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