diff mbox series

[v2] ARM: dts: aspeed: tiogapass: Add IPMB device

Message ID 20200130214626.2863329-1-vijaykhemka@fb.com (mailing list archive)
State New, archived
Headers show
Series [v2] ARM: dts: aspeed: tiogapass: Add IPMB device | expand

Commit Message

Vijay Khemka Jan. 30, 2020, 9:46 p.m. UTC
Adding IPMB devices for facebook tiogapass platform.

Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
---
 arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comments

Joel Stanley Feb. 10, 2020, 10:23 p.m. UTC | #1
Hi Rob,

On Thu, 30 Jan 2020 at 21:46, Vijay Khemka <vijaykhemka@fb.com> wrote:
>
> Adding IPMB devices for facebook tiogapass platform.
>
> Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
> ---
>  arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> index fb7f034d5db2..1cb5b9bf468f 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
> @@ -5,6 +5,7 @@
>
>  #include "aspeed-g5.dtsi"
>  #include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/i2c/i2c.h>
>
>  / {
>         model = "Facebook TiogaPass BMC";
> @@ -428,6 +429,12 @@
>  &i2c4 {
>         status = "okay";
>         // BMC Debug Header
> +       multi-master;
> +       ipmb0@10 {
> +               compatible = "ipmb-dev";
> +               reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;

This causes dtc to warn:

../arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts:521.11-525.4:
Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@380/ipmb0@10: I2C
bus unit address format error, expected "40000010"
../arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts:523.3-30:
Warning (i2c_bus_reg): /ahb/apb/bus@1e78a000/i2c-bus@380/ipmb0@10:reg:
I2C address must be less than 10-bits, got "0x40000010"

The bindings mention:

 Another flag is I2C_OWN_SLAVE_ADDRESS to mark addresses on which we listen to
be devices ourselves.

include/dt-bindings/i2c/i2c.h:#define I2C_OWN_SLAVE_ADDRESS     (1 << 30)

It appears dtc needs to be fixed to not warn when seeing this value in
an i2c reg node?

Cheers,

Joel



> +               i2c-protocol;
> +       };
>  };
>
>  &i2c5 {
> @@ -509,6 +516,12 @@
>  &i2c9 {
>         status = "okay";
>         //USB Debug Connector
> +       multi-master;
> +       ipmb0@10 {
> +               compatible = "ipmb-dev";
> +               reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> +               i2c-protocol;
> +       };
>  };
>
>  &pwm_tacho {
> --
> 2.17.1
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
index fb7f034d5db2..1cb5b9bf468f 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-tiogapass.dts
@@ -5,6 +5,7 @@ 
 
 #include "aspeed-g5.dtsi"
 #include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
 
 / {
 	model = "Facebook TiogaPass BMC";
@@ -428,6 +429,12 @@ 
 &i2c4 {
 	status = "okay";
 	// BMC Debug Header
+	multi-master;
+	ipmb0@10 {
+		compatible = "ipmb-dev";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+		i2c-protocol;
+	};
 };
 
 &i2c5 {
@@ -509,6 +516,12 @@ 
 &i2c9 {
 	status = "okay";
 	//USB Debug Connector
+	multi-master;
+	ipmb0@10 {
+		compatible = "ipmb-dev";
+		reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
+		i2c-protocol;
+	};
 };
 
 &pwm_tacho {