[PATCH v2 5/5] cpufreq: qcom-hw: Add cpufreq support for SM8250 SoC

From: Manivannan Sadhasivam
Date: Tue Sep 15 2020 - 03:25:50 EST


SM8250 SoC uses EPSS block for carrying out the cpufreq duties. Hence, add
support for it in the driver with relevant dev data.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Reviewed-by: Amit Kucheria <amitk@xxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
drivers/cpufreq/qcom-cpufreq-hw.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index e3c46984a037..c485be839172 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -256,8 +256,17 @@ static const struct qcom_cpufreq_soc_data qcom_soc_data = {
.lut_row_size = 32,
};

+static const struct qcom_cpufreq_soc_data epss_soc_data = {
+ .reg_enable = 0x0,
+ .reg_freq_lut = 0x100,
+ .reg_volt_lut = 0x200,
+ .reg_perf_state = 0x320,
+ .lut_row_size = 4,
+};
+
static const struct of_device_id qcom_cpufreq_hw_match[] = {
{ .compatible = "qcom,cpufreq-hw", .data = &qcom_soc_data },
+ { .compatible = "qcom,cpufreq-epss", .data = &epss_soc_data },
{}
};
MODULE_DEVICE_TABLE(of, qcom_cpufreq_hw_match);
--
2.17.1