From: Peter Geis <pgwipeout@gmail.com>
To: Rob Herring <robh+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Peter Geis <pgwipeout@gmail.com>
Cc: Rob Herring <robh@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] arm64: dts: rockchip: fix Quartz64-A ddr regulator voltage
Date: Wed, 26 Jan 2022 20:00:21 -0500 [thread overview]
Message-ID: <20220127010023.3169415-2-pgwipeout@gmail.com> (raw)
In-Reply-To: <20220127010023.3169415-1-pgwipeout@gmail.com>
The Quartz64 Model A uses a voltage divider to ensure ddr voltage is
within specification from the default regulator configuration.
Adjusting this voltage is detrimental, and currently causes the ddr
voltage to be about 0.8v.
Remove the min and max voltage setpoints for the ddr regulator.
Fixes: b33a22a1e7c4 ("arm64: dts: rockchip: add basic dts for Pine64
Quartz64-A")
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 166399b7f13f..d9eb92d59099 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -285,8 +285,6 @@ regulator-state-mem {
vcc_ddr: DCDC_REG3 {
regulator-always-on;
regulator-boot-on;
- regulator-min-microvolt = <1100000>;
- regulator-max-microvolt = <1100000>;
regulator-initial-mode = <0x2>;
regulator-name = "vcc_ddr";
regulator-state-mem {
--
2.25.1
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next prev parent reply other threads:[~2022-01-27 1:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 1:00 [PATCH 0/3] Quartz64-A fixes and enablement from 5.17-rc1 Peter Geis
2022-01-27 1:00 ` Peter Geis [this message]
2022-01-27 1:00 ` [PATCH 2/3] arm64: dts: rockchip: add Quartz64-A pmu_io_domains Peter Geis
2022-01-27 5:57 ` Johan Jonker
2022-01-27 9:52 ` Peter Geis
2022-01-27 1:00 ` [PATCH 3/3] arm64: dts: rockchip: add Quartz64-A sdmmc1 node Peter Geis
2022-01-27 6:18 ` Johan Jonker
2022-01-27 9:55 ` Peter Geis
2022-01-27 10:15 ` Heiko Stübner
2022-01-27 23:32 ` Peter Geis
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