On 8/28/2026 7:27 PM, Richard Genoud (TI) wrote:
> As the j722s and am62p resume sequence differs on the way they are
> detecting that the board is resuming, we should have a specific
> compatible for each one of them.
>
> For that purpose, introduce ti,j722s-ddrss compatible.
>
> Signed-off-by: Richard Genoud (TI) <[email protected]>
> ---
> arch/arm/dts/k3-j722s-r5-evm.dts | 4 ++++
> drivers/ram/k3-ddrss/k3-ddrss.c | 8 ++++++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/arch/arm/dts/k3-j722s-r5-evm.dts
> b/arch/arm/dts/k3-j722s-r5-evm.dts
> index e1ef5d181ed7..cc4a5910673b 100644
> --- a/arch/arm/dts/k3-j722s-r5-evm.dts
> +++ b/arch/arm/dts/k3-j722s-r5-evm.dts
> @@ -11,6 +11,10 @@
> #include "k3-am62a-ddr.dtsi"
> #include "k3-j722s-r5.dtsi"
>
> +&memorycontroller {
> + compatible = "ti,j722s-ddrss", "ti,am62a-ddrss";
> +};
Acked-by: Udit Kumar <[email protected]>
Neha, please add above binding, when you re-spin
https://lore.kernel.org/all/[email protected]/
> +
> /* WKUP UART0 is used for DM firmware logs */
> &wkup_uart0 {
> status = "okay";
> diff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c
> index d8ec8356b286..3af360f191df 100644
> --- a/drivers/ram/k3-ddrss/k3-ddrss.c
> +++ b/drivers/ram/k3-ddrss/k3-ddrss.c
> @@ -19,6 +19,7 @@
> #include <power-domain.h>
> #include <wait_bit.h>
> #include <power/regulator.h>
> +#include <mach/hardware.h>
> #include <mach/k3-ddr.h>
>
> #include "k3-ddrss-lpm.h"
> @@ -1300,11 +1301,18 @@ static const struct k3_ddrss_data j721s2_data = {
> .flags = MULTI_DDR_SUBSYSTEM,
> };
>
> +static const struct k3_ddrss_data j722s_data = {
> + .flags = SINGLE_DDR_SUBSYSTEM,
> + .is_lpm_resume = j7xx_board_is_resuming,
> + .ddrss_deassert_retention = am62xx_ddrss_deassert_retention,
> +};
> +
> static const struct udevice_id k3_ddrss_ids[] = {
> {.compatible = "ti,am62a-ddrss", .data = (ulong)&am62xx_data, },
> {.compatible = "ti,am64-ddrss", .data = (ulong)&k3_data, },
> {.compatible = "ti,j721e-ddrss", .data = (ulong)&k3_data, },
> {.compatible = "ti,j721s2-ddrss", .data = (ulong)&j721s2_data, },
> + {.compatible = "ti,j722s-ddrss", .data = (ulong)&j722s_data, },
> {}
> };
>
