Thread (45 messages) 45 messages, 4 authors, 2018-08-31

[PATCH v3 34/38] arm64: dts: tegra210: Add sdmmc pad auto calibration offsets

STALE2953d REVIEWED: 1 (0M)

From: Aapo Vienamo <hidden>
Date: 2018-08-30 15:08:35
Also in: linux-devicetree, linux-mmc, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

Revision v3 of 3 in this series; 1 review trailer.

Revisions (3)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
Add the calibration offset properties used for automatic pad drive
strength calibration.

Signed-off-by: Aapo Vienamo <redacted>
Acked-by: Thierry Reding <redacted>
---
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index bc1918e07cc3..2a80f2bd80e5 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -1051,6 +1051,10 @@
 		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
 		pinctrl-0 = <&sdmmc1_3v3>;
 		pinctrl-1 = <&sdmmc1_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>;
+		nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>;
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;
 		status = "disabled";
 	};
 
@@ -1062,6 +1066,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 9>;
 		reset-names = "sdhci";
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>;
 		status = "disabled";
 	};
 
@@ -1076,6 +1082,10 @@
 		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
 		pinctrl-0 = <&sdmmc3_3v3>;
 		pinctrl-1 = <&sdmmc3_1v8>;
+		nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>;
+		nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>;
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>;
 		status = "disabled";
 	};
 
@@ -1087,6 +1097,8 @@
 		clock-names = "sdhci";
 		resets = <&tegra_car 15>;
 		reset-names = "sdhci";
+		nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>;
+		nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>;
 		status = "disabled";
 	};
 
-- 
2.18.0
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