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From: Soeren Moch <smoch@web.de>
To: Heiko Stuebner <heiko@sntech.de>
Subject: [PATCH 1/3] arm64: dts: rockchip: fix RockPro64 vdd-log regulator
 settings
Date: Thu,  3 Oct 2019 23:50:34 +0200
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Cc: linux-rockchip@lists.infradead.org, Soeren Moch <smoch@web.de>,
 linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
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 linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org

The RockPro64 schematic [1] page 18 states a min voltage of 0.8V and a
max voltage of 1.4V for the VDD_LOG pwm regulator. However, there is an
additional note that the pwm parameter needs to be modified.
From the schematics a voltage range of 0.8V to 1.7V can be calculated.
Additional voltage measurements on the board show that this fix indeed
leads to the correct voltage, while without this fix the voltage was set
too high.

[1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf

Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64")
Signed-off-by: Soeren Moch <smoch@web.de>
---
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
2.17.1

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 0401d4ec1f45..845eb070b5b0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -173,7 +173,7 @@
 		regulator-always-on;
 		regulator-boot-on;
 		regulator-min-microvolt = <800000>;
-		regulator-max-microvolt = <1400000>;
+		regulator-max-microvolt = <1700000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
 };

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From: Soeren Moch <smoch@web.de>
To: Heiko Stuebner <heiko@sntech.de>
Subject: [PATCH 2/3] arm64: dts: rockchip: fix RockPro64 sdhci settings
Date: Thu,  3 Oct 2019 23:50:35 +0200
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Cc: linux-rockchip@lists.infradead.org, Soeren Moch <smoch@web.de>,
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The RockPro64 schematics [1], [2] show that the rk3399 EMMC_STRB pin is
connected to the RESET pin instead of the DATA_STROBE pin of the eMMC module.
So the data strobe cannot be used for its intended purpose on this board,
and so the HS400 eMMC mode is not functional. Limit the controller to HS200.

[1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf
[2] http://files.pine64.org/doc/rock64/PINE64_eMMC_Module_20170719.pdf

Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64")
Signed-off-by: Soeren Moch <smoch@web.de>
---
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--
2.17.1

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 845eb070b5b0..2e44dae4865a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -636,8 +636,7 @@

 &sdhci {
 	bus-width = <8>;
-	mmc-hs400-1_8v;
-	mmc-hs400-enhanced-strobe;
+	mmc-hs200-1_8v;
 	non-removable;
 	status = "okay";
 };

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From: Soeren Moch <smoch@web.de>
To: Heiko Stuebner <heiko@sntech.de>
Subject: [PATCH v2] arm64: dts: rockchip: fix RockPro64 sdmmc settings
Date: Fri,  4 Oct 2019 22:32:13 +0200
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According to the RockPro64 schematic [1] the rk3399 sdmmc controller is
connected to a microSD (TF card) slot. Remove the cap-mmc-highspeed
property of the sdmmc controller, since no mmc card can be connected here.

[1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf

Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64")
Signed-off-by: Soeren Moch <smoch@web.de>
---
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 1 -
 1 file changed, 1 deletion(-)

--
2.17.1

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 2e44dae4865a..6ec4d273a39b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -624,7 +624,6 @@

 &sdmmc {
 	bus-width = <4>;
-	cap-mmc-highspeed;
 	cap-sd-highspeed;
 	cd-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
 	disable-wp;