Merge tag 'mvebu-dt64-5.4-2' of git://git.infradead.org/linux-mvebu into arm/late

mvebu dt64 for 5.4 (part 2)

Add support for Turris Mox board (Armada 3720 SoC based)

* tag 'mvebu-dt64-5.4-2' of git://git.infradead.org/linux-mvebu: (53 commits)
  arm64: dts: marvell: add DTS for Turris Mox
  dt-bindings: marvell: document Turris Mox compatible
  arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
  arm64: dts: marvell: Add cpu clock node on Armada 7K/8K
  arm64: dts: marvell: Convert 7k/8k usb-phy properties to phy-supply
  arm64: dts: marvell: Add 7k/8k PHYs in PCIe nodes
  arm64: dts: marvell: Add 7k/8k PHYs in USB3 nodes
  arm64: dts: marvell: Add 7k/8k per-port PHYs in SATA nodes
  arm64: dts: marvell: Add CP110 COMPHY clocks
  arm64: dts: marvell: armada-37xx: add mailbox node
  dt-bindings: gpio: Document GPIOs via Moxtet bus
  drivers: gpio: Add support for GPIOs over Moxtet bus
  bus: moxtet: Add sysfs and debugfs documentation
  dt-bindings: bus: Document moxtet bus binding
  bus: Add support for Moxtet bus
  reset: Add support for resets provided by SCMI
  firmware: arm_scmi: Add RESET protocol in SCMI v2.0
  dt-bindings: arm: Extend SCMI to support new reset protocol
  firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol
  firmware: arm_scmi: Add discovery of SCMI v2.0 performance fastchannels
  ...

Link: https://lore.kernel.org/r/87h85two0r.fsf@FE-laptop
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 37 insertions, 9 deletions

diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 9ff2e9357e9a..881fea47c83d 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * SCMI Message Protocol driver header
  *
@@ -71,7 +71,7 @@ struct scmi_clk_ops {
 	int (*rate_get)(const struct scmi_handle *handle, u32 clk_id,
 			u64 *rate);
 	int (*rate_set)(const struct scmi_handle *handle, u32 clk_id,
-			u32 config, u64 rate);
+			u64 rate);
 	int (*enable)(const struct scmi_handle *handle, u32 clk_id);
 	int (*disable)(const struct scmi_handle *handle, u32 clk_id);
 };
@@ -145,6 +145,8 @@ struct scmi_sensor_info {
 	u32 id;
 	u8 type;
 	s8 scale;
+	u8 num_trip_points;
+	bool async;
 	char name[SCMI_MAX_STR_SIZE];
 };
 
@@ -167,9 +169,9 @@ enum scmi_sensor_class {
  *
  * @count_get: get the count of sensors provided by SCMI
  * @info_get: get the information of the specified sensor
- * @configuration_set: control notifications on cross-over events for
+ * @trip_point_notify: control notifications on cross-over events for
  *	the trip-points
- * @trip_point_set: selects and configures a trip-point of interest
+ * @trip_point_config: selects and configures a trip-point of interest
  * @reading_get: gets the current value of the sensor
  */
 struct scmi_sensor_ops {
@@ -177,12 +179,32 @@ struct scmi_sensor_ops {
 
 	const struct scmi_sensor_info *(*info_get)
 		(const struct scmi_handle *handle, u32 sensor_id);
-	int (*configuration_set)(const struct scmi_handle *handle,
-				 u32 sensor_id);
-	int (*trip_point_set)(const struct scmi_handle *handle, u32 sensor_id,
-			      u8 trip_id, u64 trip_value);
+	int (*trip_point_notify)(const struct scmi_handle *handle,
+				 u32 sensor_id, bool enable);
+	int (*trip_point_config)(const struct scmi_handle *handle,
+				 u32 sensor_id, u8 trip_id, u64 trip_value);
 	int (*reading_get)(const struct scmi_handle *handle, u32 sensor_id,
-			   bool async, u64 *value);
+			   u64 *value);
+};
+
+/**
+ * struct scmi_reset_ops - represents the various operations provided
+ *	by SCMI Reset Protocol
+ *
+ * @num_domains_get: get the count of reset domains provided by SCMI
+ * @name_get: gets the name of a reset domain
+ * @latency_get: gets the reset latency for the specified reset domain
+ * @reset: resets the specified reset domain
+ * @assert: explicitly assert reset signal of the specified reset domain
+ * @deassert: explicitly deassert reset signal of the specified reset domain
+ */
+struct scmi_reset_ops {
+	int (*num_domains_get)(const struct scmi_handle *handle);
+	char *(*name_get)(const struct scmi_handle *handle, u32 domain);
+	int (*latency_get)(const struct scmi_handle *handle, u32 domain);
+	int (*reset)(const struct scmi_handle *handle, u32 domain);
+	int (*assert)(const struct scmi_handle *handle, u32 domain);
+	int (*deassert)(const struct scmi_handle *handle, u32 domain);
 };
 
 /**
@@ -194,6 +216,7 @@ struct scmi_sensor_ops {
  * @perf_ops: pointer to set of performance protocol operations
  * @clk_ops: pointer to set of clock protocol operations
  * @sensor_ops: pointer to set of sensor protocol operations
+ * @reset_ops: pointer to set of reset protocol operations
  * @perf_priv: pointer to private data structure specific to performance
  *	protocol(for internal use only)
  * @clk_priv: pointer to private data structure specific to clock
@@ -202,6 +225,8 @@ struct scmi_sensor_ops {
  *	protocol(for internal use only)
  * @sensor_priv: pointer to private data structure specific to sensors
  *	protocol(for internal use only)
+ * @reset_priv: pointer to private data structure specific to reset
+ *	protocol(for internal use only)
  */
 struct scmi_handle {
 	struct device *dev;
@@ -210,11 +235,13 @@ struct scmi_handle {
 	struct scmi_clk_ops *clk_ops;
 	struct scmi_power_ops *power_ops;
 	struct scmi_sensor_ops *sensor_ops;
+	struct scmi_reset_ops *reset_ops;
 	/* for protocol internal use */
 	void *perf_priv;
 	void *clk_priv;
 	void *power_priv;
 	void *sensor_priv;
+	void *reset_priv;
 };
 
 enum scmi_std_protocol {
@@ -224,6 +251,7 @@ enum scmi_std_protocol {
 	SCMI_PROTOCOL_PERF = 0x13,
 	SCMI_PROTOCOL_CLOCK = 0x14,
 	SCMI_PROTOCOL_SENSOR = 0x15,
+	SCMI_PROTOCOL_RESET = 0x16,
 };
 
 struct scmi_device {