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Commit 2a5e932c authored by Archana Sathyakumar's avatar Archana Sathyakumar
Browse files

msm: spm: Update the vctl, phase and pfm port values for cpu devices 



Currently only L2 device updates these values. Update this information
for cpu devices as well to support individual rail configuration.

Update device tree documentation for these nodes.

Change-Id: Ib147ab1eaf8ac961c566cfc48f54ed904efaca1d
Signed-off-by: default avatarArchana Sathyakumar <asathyak@codeaurora.org>
parent c99f9b85

Documentation/devicetree/bindings/arm/msm/spm-v2.txt

+3 −3
Original line number Diff line number Diff line
@@ -33,10 +33,10 @@ Optional properties 
	between AVS controller requests

- qcom,saw2-pmic-data0..7: Specify the pmic data value and the associated FTS

	index to send the PMIC data to

- qcom,saw2-vctl-port: The PVC (PMIC Virtual Channel) port used for changing

- qcom,vctl-port: The PVC (PMIC Virtual Channel) port used for changing

	voltage

- qcom,saw2-phase-port: The PVC port used for changing the number of phases

- qcom,saw2-pfm-port: The PVC port used for enabling PWM/PFM modes

- qcom,phase-port: The PVC port used for changing the number of phases

- qcom,pfm-port: The PVC port used for enabling PWM/PFM modes

- qcom,saw2-spm-cmd-wfi: The WFI command sequence

- qcom,saw2-spm-cmd-ret: The Retention command sequence

- qcom,saw2-spm-cmd-spc: The Standalone PC command sequence

arch/arm/mach-msm/spm_devices.c

+8 −14
Original line number Diff line number Diff line
@@ -455,23 +455,17 @@ static int msm_spm_dev_probe(struct platform_device *pdev) 
	spm_data.phase_port = -1;

	spm_data.pfm_port = -1;



	/* optional */

	if (dev == &msm_spm_l2_device) {

	key = "qcom,vctl-port";

		ret = of_property_read_u32(node, key, &val);

		if (!ret)

			spm_data.vctl_port = val;

	of_property_read_u32(node, key, &spm_data.vctl_port);



	key = "qcom,phase-port";

		ret = of_property_read_u32(node, key, &val);

		if (!ret)

			spm_data.phase_port = val;

	of_property_read_u32(node, key, &spm_data.phase_port);



	key = "qcom,pfm-port";

		ret = of_property_read_u32(node, key, &val);

		if (!ret)

			spm_data.pfm_port = val;

	of_property_read_u32(node, key, &spm_data.pfm_port);



	/* optional */

	if (dev == &msm_spm_l2_device) {

		key = "qcom,L2-spm-is-apcs-master";

		msm_spm_L2_apcs_master =

			of_property_read_bool(pdev->dev.of_node, key);