evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

msm: mdss: update the DSI PHY regulator programming sequence

Browse source 
For 28nm DSI PHY, update the regulator programming sequence
as per the system team's recommended settings.

Change-Id: I0bb23e0ee1e25994c4b9dd4cedd6cb46ea8e282c
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
This commit is contained in:
Padmanabhan Komanduru 2014-10-28 23:12:48 +05:30 • committed by David Keitel
parent 4202f1aeae
commit 58cba6b3ca
1 changed files with 41 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
drivers/video/fbdev/msm/msm_mdss_io_8974.c
View file

@ -149,11 +149,13 @@ static void mdss_dsi_28nm_phy_init(struct mdss_dsi_ctrl_pdata *ctrl_pdata)
}
}
if (pd->reg_ldo_mode) {
/* Regulator ctrl 0 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x280, 0x0);
/* Regulator ctrl - CAL_PWR_CFG */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x298, pd->regulator[6]);
/* Add H/w recommended delay */
udelay(1000);
/* Regulator ctrl - TEST */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x294, pd->regulator[5]);
/* Regulator ctrl 3 */
@ -162,16 +164,33 @@ static void mdss_dsi_28nm_phy_init(struct mdss_dsi_ctrl_pdata *ctrl_pdata)
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x288, pd->regulator[2]);
/* Regulator ctrl 1 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x284, pd->regulator[1]);
/* Regulator ctrl 0 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x280, pd->regulator[0]);
/* Regulator ctrl 4 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x290, pd->regulator[4]);
/* LDO ctrl */
if (pd->reg_ldo_mode)
MIPI_OUTP((ctrl_pdata->phy_io.base) + 0x1dc, 0x25);
if (MIPI_INP(ctrl_pdata->ctrl_base) == MDSS_DSI_HW_REV_103_1)
MIPI_OUTP((ctrl_pdata->phy_io.base) + 0x1dc, 0x05);
else
MIPI_OUTP((ctrl_pdata->phy_io.base) + 0x1dc, 0x0d);
} else {
/* Regulator ctrl 0 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x280, 0x0);
/* Regulator ctrl - CAL_PWR_CFG */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x298, pd->regulator[6]);
/* Add H/w recommended delay */
udelay(1000);
/* Regulator ctrl 1 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x284, pd->regulator[1]);
/* Regulator ctrl 2 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x288, pd->regulator[2]);
/* Regulator ctrl 3 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x28c, pd->regulator[3]);
/* Regulator ctrl 4 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x290, pd->regulator[4]);
/* LDO ctrl */
MIPI_OUTP((ctrl_pdata->phy_io.base) + 0x1dc, 0x00);
/* Regulator ctrl 0 */
MIPI_OUTP((temp_ctrl->phy_io.base) + 0x280, pd->regulator[0]);
}
off = 0x0140; /* phy timing ctrl 0 - 11 */
for (i = 0; i < 12; i++) {