cpufreq: qcom-hw: Add cpufreq support for SM8250 SoC

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@linaro.org>
Reviewed-by: Amit Kucheria <amitk@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index e3c4698..c485be8 100644 (file)
--- 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);