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Commit 31d2e09a authored by Deepak Katragadda's avatar Deepak Katragadda
Browse files

qcom: ssr: Add ssctl-instance-id property for subsystem entries 



Add a "qcom,ssctl-instance-id" property to subsystem dt entries
for storing the instance id with which the subsystem driver
connects to the QMI Subsystem Control(SSCTL) service. This
service is hosted by a hardware subsystem with the APSS being
the client, to issue commands such as shutdown or to pass event
information.

Change-Id: Ic874d8e6e5d6fee5349c0fb8f460eec7b5a1d388
Signed-off-by: default avatarDeepak Katragadda <dkatraga@codeaurora.org>
parent a65a4f74

Documentation/devicetree/bindings/arm/msm/mdm-modem.txt

+2 −0
Original line number Diff line number Diff line
@@ -103,6 +103,7 @@ Optional driver parameters: 
- qcom,restart-group: List of subsystems that will need to restart together.

- qcom,mdm-dual-link: Boolean indicates wheter both links can used for

		communication.

- qcom,ssctl-instance-id: Instance id used by the subsystem to connect with the SSCTL service.



Example:

	mdm0: qcom,mdm0 {
@@ -138,4 +139,5 @@ Example: 
                qcom,ramdump-timeout-ms = <120000>;

                qcom,vddmin-modes  = "normal";

                qcom,vddmin-drive-strength = <8>;

		qcom,ssctl-instance-id = <10>;

        };

Documentation/devicetree/bindings/pil/pil-q6v5-mss.txt

+3 −0
Original line number Diff line number Diff line
@@ -44,6 +44,8 @@ Optional properties: 
- qcom,restart-group: List of subsystems that will need to restart together.

- qcom,mba-image-is-not-elf:	Boolean- Present if MBA image doesnt use the ELF

				format.

- qcom,ssctl-instance-id: Instance id used by the subsystem to connect with the SSCTL

			  service.



Example:

	qcom,mss@fc880000 {
@@ -72,4 +74,5 @@ Example: 


		/* GPIO output to mss */

		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_1_out 0 0>;

		qcom,ssctl-instance-id = <12>;

	};

Documentation/devicetree/bindings/pil/subsys-pil-tz.txt

+3 −0
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ Optional properties: 
- qcom,gpio-stop-ack: GPIO used by the subsystem to ack force stop or a graceful stop

		      to the apps.

- qcom,restart-group: List of subsystems that will need to restart together.

- qcom,ssctl-instance-id: Instance id used by the subsystem to connect with the SSCTL

			  service.



Example:

	qcom,venus@fdce0000 {
@@ -113,4 +115,5 @@ Example: 


		/* GPIO output to lpass */

		qcom,gpio-force-stop = <&smp2pgpio_ssr_smp2p_2_out 0 0>;

		qcom,ssctl-instance-id = <14>;

	};

drivers/soc/qcom/subsystem_restart.c

+6 −0
Original line number Diff line number Diff line
@@ -1402,6 +1402,12 @@ struct subsys_device *subsys_register(struct subsys_desc *desc) 
		ret = subsys_setup_irqs(subsys);

		if (ret < 0)

			goto err_register;



		if (of_property_read_u32(desc->dev->of_node,

					"qcom,ssctl-instance-id",

					&desc->ssctl_instance_id))

			pr_debug("Reading instance-id for %s failed\n",

								desc->name);

	}



	mutex_lock(&subsys_list_lock);

include/soc/qcom/subsystem_restart.h

+2 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct module; 
 * framework

 * @no_auth: Set if subsystem does not rely on PIL to authenticate and bring

 * it out of reset

 * @ssctl_instance_id: Instance id used to connect with SSCTL service

 */

struct subsys_desc {

	const char *name;
@@ -65,6 +66,7 @@ struct subsys_desc { 
	unsigned int wdog_bite_irq;

	int force_stop_gpio;

	bool no_auth;

	int ssctl_instance_id;

};



/**