linux-kernel - [PATCH] cpufreq: imx-cpufreq-dt: Add i.MX8MN support

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Date:   Mon,  8 Jul 2019 11:03:08 +0800
From:   Anson.Huang@....com
To:     rjw@...ysocki.net, viresh.kumar@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH] cpufreq: imx-cpufreq-dt: Add i.MX8MN support

From: Anson Huang <Anson.Huang@....com>

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@....com>
---
 drivers/cpufreq/imx-cpufreq-dt.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c
index b54fd26..4f85f31 100644
--- 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;
 
-- 
2.7.4