mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-22 04:56:15 +00:00
0171157d45
The patches were generated from the RPi repo with the following command: git format-patch v6.6.44..rpi-6.6.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
109 lines
2.7 KiB
Diff
109 lines
2.7 KiB
Diff
From afd949f5f64d224cf7a016ef933257842bc170ab Mon Sep 17 00:00:00 2001
|
|
From: Richard Oliver <richard.oliver@raspberrypi.com>
|
|
Date: Fri, 24 May 2024 10:34:45 +0100
|
|
Subject: [PATCH 1164/1215] spi: dt-bindings: Add RPI RP2040 GPIO Bridge
|
|
|
|
Add YAML device tree bindings for the Raspberry Pi RP2040 GPIO Bridge.
|
|
|
|
Signed-off-by: Richard Oliver <richard.oliver@raspberrypi.com>
|
|
---
|
|
.../spi/raspberrypi,rp2040-gpio-bridge.yaml | 77 +++++++++++++++++++
|
|
MAINTAINERS | 5 ++
|
|
2 files changed, 82 insertions(+)
|
|
create mode 100644 Documentation/devicetree/bindings/spi/raspberrypi,rp2040-gpio-bridge.yaml
|
|
|
|
--- /dev/null
|
|
+++ b/Documentation/devicetree/bindings/spi/raspberrypi,rp2040-gpio-bridge.yaml
|
|
@@ -0,0 +1,77 @@
|
|
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
+%YAML 1.2
|
|
+---
|
|
+$id: http://devicetree.org/schemas/spi/raspberrypi,rp2040-gpio-bridge.yaml#
|
|
+$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
+
|
|
+title: Raspberry Pi RP2040 GPIO Bridge
|
|
+
|
|
+maintainers:
|
|
+ - Raspberry Pi <kernel-list@raspberrypi.com>
|
|
+
|
|
+description: |-
|
|
+ The Raspberry Pi PR2040 GPIO bridge can be used as a GPIO expander and
|
|
+ Tx-only SPI master.
|
|
+
|
|
+properties:
|
|
+ reg:
|
|
+ description: I2C slave address
|
|
+ const: 0x40
|
|
+
|
|
+ compatible:
|
|
+ const: raspberrypi,rp2040-gpio-bridge
|
|
+
|
|
+ power-supply:
|
|
+ description: Phandle to the regulator that powers the RP2040.
|
|
+
|
|
+ '#address-cells':
|
|
+ const: 1
|
|
+
|
|
+ '#size-cells':
|
|
+ const: 0
|
|
+
|
|
+ '#gpio-cells':
|
|
+ const: 2
|
|
+
|
|
+ gpio-controller: true
|
|
+
|
|
+ fast_xfer_requires_i2c_lock:
|
|
+ description: Set if I2C bus should be locked during fast transfer.
|
|
+
|
|
+ fast_xfer_recv_gpio_base:
|
|
+ description: RP2040 GPIO base for fast transfer pair.
|
|
+
|
|
+ fast_xfer-gpios:
|
|
+ description: RP1 GPIOs to use for fast transfer clock and data.
|
|
+
|
|
+required:
|
|
+ - reg
|
|
+ - compatible
|
|
+ - power-supply
|
|
+ - '#gpio-cells'
|
|
+ - gpio-controller
|
|
+
|
|
+additionalProperties: false
|
|
+
|
|
+examples:
|
|
+ - |
|
|
+ i2c {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+
|
|
+ spi@40 {
|
|
+ reg = <0x40>;
|
|
+ compatible = "raspberrypi,rp2040-gpio-bridge";
|
|
+ status = "disabled";
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+
|
|
+ power-supply = <&cam_dummy_reg>;
|
|
+
|
|
+ #gpio-cells = <2>;
|
|
+ gpio-controller;
|
|
+ };
|
|
+ };
|
|
+
|
|
+...
|
|
+
|
|
--- a/MAINTAINERS
|
|
+++ b/MAINTAINERS
|
|
@@ -18027,6 +18027,11 @@ F: drivers/ras/
|
|
F: include/linux/ras.h
|
|
F: include/ras/ras_event.h
|
|
|
|
+RASPBERRY PI RP2040 GPIO BRIDGE DRIVER
|
|
+M: Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
|
|
+S: Maintained
|
|
+F: Documentation/devicetree/bindings/spi/raspberrypi,rp2040-gpio-bridge.yaml
|
|
+
|
|
RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER
|
|
L: linux-wireless@vger.kernel.org
|
|
S: Orphan
|