19 Nov
2014
19 Nov
'14
9:29 a.m.
Hi Simon,
On Tue, 11 Nov 2014 10:46:30 -0700 Simon Glass sjg@chromium.org wrote:
diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index 7614715..11748ae 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -134,6 +134,23 @@ num-gpios = <20>; };
- i2c@0 {
#address-cells = <1>;#size-cells = <0>;reg = <0>;compatible = "sandbox,i2c";clock-frequency = <400000>;eeprom@2c {reg = <0x2c>;compatible = "i2c-eeprom";emul {compatible = "sandbox,i2c-eeprom";sandbox,filename = "i2c.bin";sandbox,size = <128>;};};- };
- spi@0 { #address-cells = <1>; #size-cells = <0>;
It is not clear to me why "sandbox,i2c-eeprom" is not placed right under "i2c@0".
What does the intermediate node "eeprom@2c" do? I checked drivers/misc/i2c_eeprom.c but it does not seem to do anything.
Best Regards Masahiro Yamada