[U-Boot] [v3] armv8: ls1028ardb: enable DisplayPort Power support
Bin Meng
bmeng.cn at gmail.com
Thu Jul 25 08:26:54 UTC 2019
On Thu, Jul 25, 2019 at 3:18 PM Wen He <wen.he_1 at nxp.com> wrote:
>
> Enable DP_PWR signal to power the DP to HDMI converter cable.
>
> Signed-off-by: Wen He <wen.he_1 at nxp.com>
> ---
> board/freescale/ls1028a/ls1028a.c | 13 +++++++++++++
> include/configs/ls1028a_common.h | 3 +++
> 2 files changed, 16 insertions(+)
>
> diff --git a/board/freescale/ls1028a/ls1028a.c b/board/freescale/ls1028a/ls1028a.c
> index ece91660bf..ea8c43b6af 100644
> --- a/board/freescale/ls1028a/ls1028a.c
> +++ b/board/freescale/ls1028a/ls1028a.c
> @@ -75,6 +75,19 @@ int board_init(void)
> u8 val = I2C_MUX_CH_DEFAULT;
>
> i2c_write(I2C_MUX_PCA_ADDR_PRI, 0x0b, 1, &val, 1);
> +#endif
> +
> +#if defined(CONFIG_TARGET_LS1028ARDB)
> + u8 reg;
> +
> + reg = QIXIS_READ(brdcfg[4]);
> + /* Field| Function
> + * 3 | DisplayPort Power Enable (net DP_PWR_EN):
> + * DPPWR | 0= DP_PWR is enabled.
> + */
Please use correct multi-line comment format.
> + reg &= ~(DP_PWD_EN_DEFAULT_MASK);
> + QIXIS_WRITE(brdcfg[4], reg);
> +
> #endif
> return 0;
> }
Regards,
Bin
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