From: Anson.Huang@nxp.com
To: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, leonard.crestez@nxp.com,
viresh.kumar@linaro.org, ping.bai@nxp.com, daniel.baluta@nxp.com,
l.stach@pengutronix.de, abel.vesa@nxp.com,
andrew.smirnov@gmail.com, ccaione@baylibre.com, angus@akkea.ca,
agx@sigxcpu.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Linux-imx@nxp.com
Subject: [PATCH V2 1/2] arm64: dts: imx8mm: Correct OPP table according to latest datasheet
Date: Sat, 29 Jun 2019 18:21:56 +0800 [thread overview]
Message-ID: <20190629102157.8026-1-Anson.Huang@nxp.com> (raw)
From: Anson Huang <Anson.Huang@nxp.com>
According to latest datasheet (Rev.0.2, 04/2019) from below links,
1.8GHz is ONLY available for consumer part, so the market segment
bits for 1.8GHz opp should ONLY available for consumer part accordingly.
https://www.nxp.com/docs/en/data-sheet/IMX8MMIEC.pdf
https://www.nxp.com/docs/en/data-sheet/IMX8MMCEC.pdf
Fixes: f403a26c865b (arm64: dts: imx8mm: Add cpu speed grading and all OPPs)
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
Changes since V1:
- remove the comment to avoid any confusion.
---
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 70de15c..f0ac027 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -134,8 +134,7 @@
opp-1800000000 {
opp-hz = /bits/ 64 <1800000000>;
opp-microvolt = <1000000>;
- /* Consumer only but rely on speed grading */
- opp-supported-hw = <0x8>, <0x7>;
+ opp-supported-hw = <0x8>, <0x3>;
clock-latency-ns = <150000>;
};
};
--
2.7.4
next reply other threads:[~2019-06-29 10:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-29 10:21 Anson.Huang [this message]
2019-06-29 10:21 ` [PATCH V2 2/2] arm64: dts: imx8mq: Correct OPP table according to latest datasheet Anson.Huang
2019-07-01 13:20 ` [PATCH V2 1/2] arm64: dts: imx8mm: " Leonard Crestez
2019-07-18 8:03 ` Shawn Guo
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