From: Ayush Singh <ayushdevel1325@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Ayush Singh <ayushdevel1325@gmail.com>,
jkridner@beagleboard.org, robertcnelson@beagleboard.org,
Vaishnav M A <vaishnav@beagleboard.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>, Nishanth Menon <nm@ti.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Tero Kristo <kristo@kernel.org>,
Derek Kiernan <derek.kiernan@amd.com>,
Dragan Cvetic <dragan.cvetic@amd.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Jiri Slaby <jirislaby@kernel.org>,
Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-spi@vger.kernel.org, linux-serial@vger.kernel.org,
greybus-dev@lists.linaro.org
Subject: [PATCH v3 6/8] greybus: Add mikroBUS manifest types
Date: Sat, 16 Mar 2024 00:19:04 +0530 [thread overview]
Message-ID: <20240315184908.500352-7-ayushdevel1325@gmail.com> (raw)
In-Reply-To: <20240315184908.500352-1-ayushdevel1325@gmail.com>
Add data structures for parsing mikroBUS manifests, which are based on
greybus manifest.
Signed-off-by: Ayush Singh <ayushdevel1325@gmail.com>
---
include/linux/greybus/greybus_manifest.h | 49 ++++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/include/linux/greybus/greybus_manifest.h b/include/linux/greybus/greybus_manifest.h
index bef9eb2093e9..83241e19d9b3 100644
--- a/include/linux/greybus/greybus_manifest.h
+++ b/include/linux/greybus/greybus_manifest.h
@@ -23,6 +23,9 @@ enum greybus_descriptor_type {
GREYBUS_TYPE_STRING = 0x02,
GREYBUS_TYPE_BUNDLE = 0x03,
GREYBUS_TYPE_CPORT = 0x04,
+ GREYBUS_TYPE_MIKROBUS = 0x05,
+ GREYBUS_TYPE_PROPERTY = 0x06,
+ GREYBUS_TYPE_DEVICE = 0x07,
};
enum greybus_protocol {
@@ -151,6 +154,49 @@ struct greybus_descriptor_cport {
__u8 protocol_id; /* enum greybus_protocol */
} __packed;
+/*
+ * A mikrobus descriptor is used to describe the details
+ * about the bus ocnfiguration for the add-on board
+ * connected to the mikrobus port.
+ */
+struct greybus_descriptor_mikrobus {
+ __u8 pin_state[12];
+} __packed;
+
+/*
+ * A property descriptor is used to pass named properties
+ * to device drivers through the unified device properties
+ * interface under linux/property.h
+ */
+struct greybus_descriptor_property {
+ __u8 length;
+ __u8 id;
+ __u8 propname_stringid;
+ __u8 type;
+ __u8 value[];
+} __packed;
+
+/*
+ * A device descriptor is used to describe the
+ * details required by a add-on board device
+ * driver.
+ */
+struct greybus_descriptor_device {
+ __u8 id;
+ __u8 driver_stringid;
+ __u8 protocol;
+ __u8 reg;
+ __le32 max_speed_hz;
+ __u8 irq;
+ __u8 irq_type;
+ __u8 mode;
+ __u8 prop_link;
+ __u8 gpio_link;
+ __u8 reg_link;
+ __u8 clock_link;
+ __u8 pad[1];
+} __packed;
+
struct greybus_descriptor_header {
__le16 size;
__u8 type; /* enum greybus_descriptor_type */
@@ -164,6 +210,9 @@ struct greybus_descriptor {
struct greybus_descriptor_interface interface;
struct greybus_descriptor_bundle bundle;
struct greybus_descriptor_cport cport;
+ struct greybus_descriptor_mikrobus mikrobus;
+ struct greybus_descriptor_property property;
+ struct greybus_descriptor_device device;
};
} __packed;
--
2.44.0
next prev parent reply other threads:[~2024-03-15 18:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-15 18:48 [PATCH v3 0/8] misc: Add mikroBUS driver Ayush Singh
2024-03-15 18:48 ` [PATCH v3 1/8] dt-bindings: misc: Add mikrobus-connector Ayush Singh
2024-03-15 20:09 ` Krzysztof Kozlowski
2024-03-15 20:20 ` Russell King (Oracle)
2024-03-15 20:40 ` Krzysztof Kozlowski
2024-03-15 21:00 ` Russell King (Oracle)
2024-03-17 20:59 ` Rob Herring
2024-03-18 12:37 ` Ayush Singh
2024-03-15 18:49 ` [PATCH v3 2/8] w1: Add w1_find_master_device Ayush Singh
2024-03-15 19:40 ` Russell King (Oracle)
2024-03-15 20:14 ` Krzysztof Kozlowski
2024-03-15 18:49 ` [PATCH v3 3/8] spi: Make of_find_spi_controller_by_node() available Ayush Singh
2024-03-15 18:49 ` [PATCH v3 4/8] serdev: add of_ helper to get serdev controller Ayush Singh
2024-03-15 20:16 ` Krzysztof Kozlowski
2024-03-15 18:49 ` [PATCH v3 5/8] regulator: fixed-helper: export regulator_register_always_on Ayush Singh
2024-03-15 18:49 ` Ayush Singh [this message]
2024-04-11 12:03 ` [PATCH v3 6/8] greybus: Add mikroBUS manifest types Greg Kroah-Hartman
2024-03-15 18:49 ` [PATCH v3 7/8] mikrobus: Add mikrobus driver Ayush Singh
2024-03-15 19:03 ` Mark Brown
2024-03-15 19:32 ` Russell King (Oracle)
[not found] ` <46ba778a-5966-4b99-b820-f0d047a56227@gmail.com>
2024-03-15 21:19 ` Russell King (Oracle)
2024-03-15 22:10 ` Vaishnav Achath
2024-03-15 20:35 ` Krzysztof Kozlowski
2024-03-16 13:06 ` Ayush Singh
2024-03-19 5:32 ` Krzysztof Kozlowski
2024-03-19 6:59 ` Ayush Singh
2024-03-20 11:56 ` Krzysztof Kozlowski
2024-03-16 8:18 ` kernel test robot
2024-03-16 9:00 ` kernel test robot
2024-03-15 18:49 ` [PATCH v3 8/8] dts: ti: k3-am625-beagleplay: Add mikroBUS Ayush Singh
2024-03-15 20:20 ` Krzysztof Kozlowski
2024-03-15 21:20 ` [PATCH v3 0/8] misc: Add mikroBUS driver Vaishnav M A
2024-03-15 21:41 ` Ayush Singh
2024-03-15 22:24 ` Vaishnav Achath
2024-03-17 14:41 ` Andrew Lunn
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