On Sunday 16 April 2017 10:13 AM, Lokesh Vutla wrote:
> As per the DM[1] Dated June 2016–Revised February 2017, Table 5-3,
> DRA71 supports the following OPPs for various voltage domains:
>
> VDD_MPU: OPP_NOM
> VDD_CORE: OPP_NOM
> VDD_GPU: OPP_NOM
> VDD_DSPEVE: OPP_NOM, OPP_HIGH
> VDD_IVA: OPP_NOM, OPP_HIGH
>
> This patch add support for selection of the above OPPs instead of
> using OPP_NOM for all voltage domains.
>
> [1] http://www.ti.com/lit/ds/symlink/dra718.pdf
>
> Reported-by: Vishal Mahaveer <vish...@ti.com>
> Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
Just posted v2 of this patch as fixing efuse reg bits for OPP_HIGH as
pointed out by Suman.
Thanks and regards,
Lokesh
> ---
> board/ti/dra7xx/evm.c | 29 +++++++++++++++++++++++------
> 1 file changed, 23 insertions(+), 6 deletions(-)
>
> diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
> index ae2d59da43..0984475d3b 100644
> --- a/board/ti/dra7xx/evm.c
> +++ b/board/ti/dra7xx/evm.c
> @@ -456,27 +456,44 @@ int get_voltrail_opp(int rail_offset)
> {
> int opp;
>
> - /*
> - * DRA71x supports only OPP_NOM.
> - */
> - if (board_is_dra71x_evm())
> - return OPP_NOM;
> -
> switch (rail_offset) {
> case VOLT_MPU:
> opp = DRA7_MPU_OPP;
> + /* DRA71x supports only OPP_NOM for MPU */
> + if (board_is_dra71x_evm())
> + opp = OPP_NOM;
> break;
> case VOLT_CORE:
> opp = DRA7_CORE_OPP;
> + /* DRA71x supports only OPP_NOM for CORE */
> + if (board_is_dra71x_evm())
> + opp = OPP_NOM;
> break;
> case VOLT_GPU:
> opp = DRA7_GPU_OPP;
> + /* DRA71x supports only OPP_NOM for GPU */
> + if (board_is_dra71x_evm())
> + opp = OPP_NOM;
> break;
> case VOLT_EVE:
> opp = DRA7_DSPEVE_OPP;
> + /*
> + * DRA71x does not support OPP_OD for EVE.
> + * If OPP_OD is selected by menuconfig, fallback
> + * to OPP_NOM.
> + */
> + if (board_is_dra71x_evm() && opp == OPP_OD)
> + opp = OPP_NOM;
> break;
> case VOLT_IVA:
> opp = DRA7_IVA_OPP;
> + /*
> + * DRA71x does not support OPP_OD for IVA.
> + * If OPP_OD is selected by menuconfig, fallback
> + * to OPP_NOM.
> + */
> + if (board_is_dra71x_evm() && opp == OPP_OD)
> + opp = OPP_NOM;
> break;
> default:
> opp = OPP_NOM;
>
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