On Thu, Feb 27, 2025 at 11:46:43AM +0530, Siddharth Vadapalli wrote:
Kindly ignore this patch. The register offsets should start from 0x40
since SERDES3 is not present in J784S4. I will post the v2 patch fixing
this.
Regards,
Siddharth.
> Commit under Fixes added the 'idle-states' property for SERDES4 lane muxing
> without defining the corresponding register offsets and masks for it in the
> 'mux-reg-masks' property within the 'serdes_ln_ctrl' node.
>
> Fix this.
>
> Fixes: 7287d423f138 ("arm64: dts: ti: k3-j784s4-main: Add system controller and SERDES lane mux")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
> ---
>
> Hello,
>
> This patch is based on commit
> dd83757f6e68 Merge tag 'bcachefs-2025-02-26' of git://evilpiepirate.org/bcachefs
> of the master branch of Mainline Linux.
>
> Regards,
> Siddharth.
>
> arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> index 83bbf94b58d1..a5fefafcba74 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> @@ -84,7 +84,9 @@ serdes_ln_ctrl: mux-controller@4080 {
> <0x10 0x3>, <0x14 0x3>, /* SERDES1 lane0/1 select */
> <0x18 0x3>, <0x1c 0x3>, /* SERDES1 lane2/3 select */
> <0x20 0x3>, <0x24 0x3>, /* SERDES2 lane0/1 select */
> - <0x28 0x3>, <0x2c 0x3>; /* SERDES2 lane2/3 select */
> + <0x28 0x3>, <0x2c 0x3>, /* SERDES2 lane2/3 select */
> + <0x30 0x3>, <0x34 0x3>, /* SERDES4 lane0/1 select */
> + <0x38 0x3>, <0x3c 0x3>; /* SERDES4 lane2/3 select */
> idle-states = <J784S4_SERDES0_LANE0_PCIE1_LANE0>,
> <J784S4_SERDES0_LANE1_PCIE1_LANE1>,
> <J784S4_SERDES0_LANE2_IP3_UNUSED>,
> --
> 2.34.1
>
