Re: [U-Boot] [v3] armv8: ls1028ardb: enable DisplayPort Power support

On Thu, Jul 25, 2019 at 3:18 PM Wen He wen.he_1@nxp.com wrote:

Enable DP_PWR signal to power the DP to HDMI converter cable.

Signed-off-by: Wen He wen.he_1@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