From: Parshuram Thombare <pthombar@cadence.com>
To: <broonie@kernel.org>, <lukas@wunner.de>, <p.yadav@ti.com>,
<robh+dt@kernel.org>
Cc: <linux-spi@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <jpawar@cadence.com>,
<mparab@cadence.com>, Parshuram Thombare <pthombar@cadence.com>,
Konrad Kociolek <konrad@cadence.com>
Subject: [PATCH v3 1/2] spi: cadence: add dt-bindings documentation for Cadence XSPI controller
Date: Wed, 1 Sep 2021 14:37:09 +0200 [thread overview]
Message-ID: <1630499829-20059-1-git-send-email-pthombar@cadence.com> (raw)
In-Reply-To: <1630499755-18751-1-git-send-email-pthombar@cadence.com>
Add DT binding for Cadence's XSPI controller driver.
Signed-off-by: Konrad Kociolek <konrad@cadence.com>
Signed-off-by: Jayshri Pawar <jpawar@cadence.com>
Signed-off-by: Parshuram Thombare <pthombar@cadence.com>
---
.../devicetree/bindings/spi/cdns,xspi.yaml | 66 ++++++++++++++++++++++
1 file changed, 66 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/cdns,xspi.yaml
diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
new file mode 100644
index 0000000..e52d6fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020-21 Cadence
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/spi/cdns,xspi.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Cadence XSPI Controller
+
+maintainers:
+ - Parshuram Thombare <pthombar@cadence.com>
+
+description: |
+ The XSPI controller allows SPI protocol communication in
+ single, dual, quad or octal wire transmission modes for
+ read/write access to slaves such as SPI-NOR flash.
+
+properties:
+ compatible:
+ const: cdns,xspi-nor
+
+ reg:
+ items:
+ - description: address and length of the controller register set
+ - description: address and length of the Slave DMA data port
+ - description: address and length of the auxiliary registers
+
+ reg-names:
+ items:
+ - const: xspi-iobase
+ - const: xspi-sdmabase
+ - const: xspi-auxbase
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ xspi: spi@a0010000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "cdns,xspi-nor";
+ reg = <0x0 0xa0010000 0x0 0x10000>,
+ <0x0 0xb0000000 0x0 0x10000>,
+ <0x0 0xa0020000 0x0 0x10000>;
+ reg-names = "xspi-iobase", "xspi-sdmabase", "xspi-auxbase";
+ interrupts = <0 90 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ mt35xu512@0 {
+ compatible = "spi-nor", "micron,mt35xu512";
+ spi-max-frequency = <75000000>;
+ reg = <0>;
+ };
+ mt35xu512@1 {
+ compatible = "spi-nor", "micron,mt35xu512";
+ spi-max-frequency = <75000000>;
+ reg = <1>;
+ };
+ };
--
2.7.4
next prev parent reply other threads:[~2021-09-01 12:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-01 12:35 [PATCH v3 0/2] add support for Cadence's XSPI controller Parshuram Thombare
2021-09-01 12:37 ` Parshuram Thombare [this message]
2021-09-02 12:03 ` [PATCH v3 1/2] spi: cadence: add dt-bindings documentation for Cadence " Rob Herring
2021-09-03 8:03 ` Parshuram Raju Thombare
2021-09-03 18:17 ` Pratyush Yadav
2021-09-08 6:52 ` Parshuram Raju Thombare
2021-09-08 11:32 ` Pratyush Yadav
2021-09-08 11:58 ` Parshuram Raju Thombare
2021-09-01 12:37 ` [PATCH v3 2/2] spi: cadence: add support " Parshuram Thombare
2021-09-02 14:39 ` Mark Brown
2021-09-03 8:10 ` Parshuram Raju Thombare
2021-09-03 10:18 ` Mark Brown
2021-09-03 10:47 ` Parshuram Raju Thombare
2021-09-03 11:24 ` Mark Brown
2021-09-03 18:56 ` Pratyush Yadav
2021-09-08 7:27 ` Parshuram Raju Thombare
2021-09-08 11:21 ` Pratyush Yadav
2021-09-08 11:40 ` Parshuram Raju Thombare
2021-09-08 12:24 ` Mark Brown
2021-09-08 16:22 ` Pratyush Yadav
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