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msm: mdss: update bist ctrl property as optional property

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bist ctrl property is optional for DSI 1.4. Handle it
accordingly.

Change-Id: Ic0d0a0c25626e44ab3840bb2d9f34affbed01cea
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel 2015-02-06 00:02:18 -08:00 • committed by David Keitel
parent 8a94fa1758
commit 4bb744430e
2 changed files with 6 additions and 9 deletions
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4
Documentation/devicetree/bindings/fb/mdss-dsi-ctrl.txt
View file

@ -22,8 +22,6 @@ Required properties:
regulator settings. It use 5 bytes for thulium pll. regulator settings. It use 5 bytes for thulium pll.
- qcom,platform-strength-ctrl: An array of length 2 or 10 that specifies the PHY - qcom,platform-strength-ctrl: An array of length 2 or 10 that specifies the PHY
strengthCtrl settings. It use 10 bytes for thulium pll. strengthCtrl settings. It use 10 bytes for thulium pll.
- qcom,platform-bist-ctrl: An array of length 6 that specifies the PHY
BIST ctrl settings.
- qcom,platform-lane-config: An array of length 45 or 20 that specifies the PHY - qcom,platform-lane-config: An array of length 45 or 20 that specifies the PHY
lane configuration settings. It use 20 bytes for thulium pll. lane configuration settings. It use 20 bytes for thulium pll.
- qcom,dsi-pref-prim-pan: phandle that specifies the primary panel to be used - qcom,dsi-pref-prim-pan: phandle that specifies the primary panel to be used
@ -34,6 +32,8 @@ Optional properties:
- reg-names: A list of strings that map in order to the list of regs. - reg-names: A list of strings that map in order to the list of regs.
"dsi_phy_regulator" - MDSS DSI PHY REGULATOR region "dsi_phy_regulator" - MDSS DSI PHY REGULATOR region
- qcom,platform-bist-ctrl: An array of length 6 that specifies the PHY
BIST ctrl settings.
- vcca-supply: Phandle for vcca regulator device node. - vcca-supply: Phandle for vcca regulator device node.
- qcom,ctrl-supply-entries: A node that lists the elements of the supply used by the - qcom,ctrl-supply-entries: A node that lists the elements of the supply used by the
DSI controller and PHY. There can be more than one instance DSI controller and PHY. There can be more than one instance

9
drivers/video/fbdev/msm/mdss_dsi.c
View file

@ -1842,15 +1842,12 @@ int dsi_panel_device_register(struct device_node *pan_node,
data = of_get_property(ctrl_pdev->dev.of_node, data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-bist-ctrl", &len); "qcom,platform-bist-ctrl", &len);
if ((!data) || (len != 6)) { if ((!data) || (len != 6))
pr_err("%s:%d, Unable to read Phy Bist Ctrl settings\n", pr_err("%s:%d, Unable to read Phy Bist Ctrl settings\n",
__func__, __LINE__); __func__, __LINE__);
return -EINVAL; else
} for (i = 0; i < len; i++)
for (i = 0; i < len; i++) {
pinfo->mipi.dsi_phy_db.bistctrl[i] = data[i]; pinfo->mipi.dsi_phy_db.bistctrl[i] = data[i];
}
data = of_get_property(ctrl_pdev->dev.of_node, data = of_get_property(ctrl_pdev->dev.of_node,
"qcom,platform-lane-config", &len); "qcom,platform-lane-config", &len);