On Thu, 20 Aug 2020 at 16:12, Eddie James <eajames@xxxxxxxxxxxxx> wrote:
>
> Set I2C bus 0 to multi-master mode and add the panel device that will
> register as a slave.
>
> Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxx>
Reviewed-by: Joel Stanley <joel@xxxxxxxxx>
> ---
> arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> index 5f4ee67ac787..9cf2e02ae9e2 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> @@ -438,7 +438,13 @@ aliases {
> };
>
> &i2c0 {
> + multi-master;
> status = "okay";
> +
> + ibm-panel@62 {
> + compatible = "ibm,op-panel";
> + reg = <0x40000062>; /* I2C_OWN_SLAVE_ADDRESS */
Other users of SLAVE_ADDRESS have included <dt-bindings/i2c/i2c.h> and
written the reg as follows:
reg = <(I2C_OWN_SLAVE_ADDRESS | 0x62)>
Which obviously has the same result. I'll leave it up to you.
Cheers,
Joel
> + };
> };
>
> &i2c1 {
> --
> 2.26.2
>
