Hello.
On 18-12-2013 1:44, Wolfram Sang wrote:
From: Wolfram Sang <[email protected]>
Switch from the gpio-driver to the shiny new native driver. Tested by
accessing the eeprom on the genmai board.
Signed-off-by: Wolfram Sang <[email protected]>
Acked-by: Magnus Damm <[email protected]>
---
arch/arm/boot/dts/r7s72100-genmai-reference.dts | 29 ++++++++++---------------
1 file changed, 11 insertions(+), 18 deletions(-)
diff --git a/arch/arm/boot/dts/r7s72100-genmai-reference.dts
b/arch/arm/boot/dts/r7s72100-genmai-reference.dts
index ce5da0b..739448a 100644
--- a/arch/arm/boot/dts/r7s72100-genmai-reference.dts
+++ b/arch/arm/boot/dts/r7s72100-genmai-reference.dts
@@ -39,24 +39,6 @@
gpios = <&port4 11 GPIO_ACTIVE_LOW>;
};
};
-
- i2c@0 {
- compatible = "i2c-gpio";
- gpios = <&port1 5 GPIO_ACTIVE_HIGH /* sda */
- &port1 4 GPIO_ACTIVE_HIGH /* scl */
- >;
- i2c-gpio,sda-open-drain;
- i2c-gpio,scl-open-drain;
- i2c-gpio,delay-us = <5>; /* ~100 kHz */
- #address-cells = <1>;
- #size-cells = <0>;
-
- flash@50 {
- compatible = "renesas,24c128";
- reg = <0x50>;
- pagesize = <64>;
- };
- };
};
&pfc {
@@ -68,3 +50,14 @@
renesas,function = "scif2";
};
};
+
+&i2c2 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ eeprom: 24c128@50 {
The node was called "flash@50" for a reason: according to ePAPR spec, for
node names the generic device names should be used, not chip-specific.
+ compatible = "renesas,24c128";
+ reg = <0x50>;
+ pagesize = <64>;
+ };
+};
WBR, Sergei
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