cpufreq: imx-cpufreq-dt: Add i.MX8MN support

i.MX8MN is a new SoC of i.MX8M series, it also uses speed
grading and market segment fuses for OPP definitions, add
support for this SoC.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c
index b54fd26ea7dfe5506bb9d10f894b1b571233c7a0..4f85f3112784f77b2781e2a4432191148b1cebb4 100644 (file)
--- a/drivers/cpufreq/imx-cpufreq-dt.c
+++ b/drivers/cpufreq/imx-cpufreq-dt.c
@@ -44,10 +44,11 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev)
         * According to datasheet minimum speed grading is not supported for
         * consumer parts so clamp to 1 to avoid warning for "no OPPs"
         *
-        * Applies to 8mq and 8mm.
+        * Applies to i.MX8M series SoCs.
         */
        if (mkt_segment == 0 && speed_grade == 0 && (
                        of_machine_is_compatible("fsl,imx8mm") ||
+                       of_machine_is_compatible("fsl,imx8mn") ||
                        of_machine_is_compatible("fsl,imx8mq")))
                speed_grade = 1;