Hi Wen, > -----Original Message----- > From: u-boot-boun...@linux.nxdi.nxp.com <u-boot- > boun...@linux.nxdi.nxp.com> On Behalf Of Wen He > Sent: Wednesday, November 6, 2019 1:20 PM > To: u-boot@lists.denx.de; u-b...@linux.nxdi.nxp.com > Cc: Wen He <wen.h...@nxp.com> > Subject: [u-boot] [v4] armv8: ls1028ardb: enable DisplayPort Power support > > Enable DP_PWR signal to power the DP to HDMI converter cable. > > Signed-off-by: Wen He <wen.h...@nxp.com> > --- > board/freescale/ls1028a/ls1028a.c | 14 ++++++++++++++ > include/configs/ls1028a_common.h | 3 +++ > 2 files changed, 17 insertions(+) > > diff --git a/board/freescale/ls1028a/ls1028a.c > b/board/freescale/ls1028a/ls1028a.c > index 095971448f..c71ed21e9f 100644 > --- a/board/freescale/ls1028a/ls1028a.c > +++ b/board/freescale/ls1028a/ls1028a.c > @@ -83,6 +83,20 @@ int board_init(void) > dm_i2c_write(dev, 0x0b, &val, 1); > #endif > Remove above unnecessary blank line. > +#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. > + */ > + reg &= ~(DP_PWD_EN_DEFAULT_MASK); > + QIXIS_WRITE(brdcfg[4], reg); > + Remove above unnecessary blank line too. > #endif
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