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| Started by | Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz> |
|---|---|
| First post | 2017-09-28 06:10 +0200 |
| Last post | 2017-09-28 06:10 +0200 |
| Articles | 2 — 1 participant |
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[PATCH 0/2] Fix I2C repeated start timing violation on Armada-38x. Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz> - 2017-09-28 06:10 +0200
[PATCH 1/2] ARM: dts: Fix I2C repeated start issue on Armada-38x Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz> - 2017-09-28 06:10 +0200
| From | Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz> |
|---|---|
| Date | 2017-09-28 06:10 +0200 |
| Subject | [PATCH 0/2] Fix I2C repeated start timing violation on Armada-38x. |
| Message-ID | <uuyj7-40H-3@gated-at.bofh.it> |
All the Armada 38x(380, 385, 388) have a silicon issue in the I2C controller which violates the I2C repeated start timing (errata FE-8471889). Activate the compatible string "marvell,mv78230-a0-i2c" in the device tree file of Armada-38x to fx this errata (FE-8471889). Updated the Documentation for the compatible string "marvell,mv78230-a0-i2c" by removing the "notes" because this is applicable for a number of SoCs such as early revisions of Armada XP and the Armada 38x variants. Thank You Gregory Clement for suggesting to reuse the "marvell,mv78230-a0-i2c" compatible string on Armada-38x SoCs. ------ Kalyan Kinthada (2): ARM: dts: Fix I2C repeated start issue on Armada-38x dt-bindings: i2c: Update documentation for "mv78230-a0-i2c" Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt | 4 ---- arch/arm/boot/dts/armada-38x.dtsi | 4 ++-- 2 files changed, 2 insertions(+), 6 deletions(-) -- 2.14.1
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| From | Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz> |
|---|---|
| Date | 2017-09-28 06:10 +0200 |
| Subject | [PATCH 1/2] ARM: dts: Fix I2C repeated start issue on Armada-38x |
| Message-ID | <uuyj8-40H-25@gated-at.bofh.it> |
| In reply to | #1741155 |
All the Armada 38x(380, 385, 388) have a silicon issue in
the I2C controller which violates the I2C repeated start timing
(errata FE-8471889).
i2c-mv64xxx driver handles this errata based on the compatible string
"marvell,mv78230-a0-i2c".
This patch activates the "marvell,mv78230-a0-i2c" compatible string
for the I2C controller on armada-38x SoC based devices.
Signed-off-by: Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz>
---
arch/arm/boot/dts/armada-38x.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 7ff0811e61db..4960722aab32 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -178,7 +178,7 @@
};
i2c0: i2c@11000 {
- compatible = "marvell,mv64xxx-i2c";
+ compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c";
reg = <0x11000 0x20>;
#address-cells = <1>;
#size-cells = <0>;
@@ -189,7 +189,7 @@
};
i2c1: i2c@11100 {
- compatible = "marvell,mv64xxx-i2c";
+ compatible = "marvell,mv78230-a0-i2c", "marvell,mv64xxx-i2c";
reg = <0x11100 0x20>;
#address-cells = <1>;
#size-cells = <0>;
--
2.14.1
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