SDMMC:

1. modify the policy of suspend-resume for sd-card.i.e ignore-pm-notify and keep-power-in-suspend.
2, Unified the SDMMC-setting  of individual projects, refer to rk3288-p977.dts

diff --git a/arch/arm/boot/dts/rk3288-chrome.dts b/arch/arm/boot/dts/rk3288-chrome.dts
index efc675c6ba546224426671b7f021dd8a444959cf..0ace2865183c832bffc5ca37041e5461891f8cfd 100755 (executable)
--- a/arch/arm/boot/dts/rk3288-chrome.dts
+++ b/arch/arm/boot/dts/rk3288-chrome.dts
@@ -196,11 +196,15 @@
 };
 
 &emmc {
-               clock-frequency = <1500000000>;
-               clock-freq-min-max = <400000 150000000>;
+       clock-frequency = <150000000>;
+       clock-freq-min-max = <400000 150000000>;
         supports-highspeed;
-               supports-emmc;
-               bootpart-no-access;
+       supports-emmc;
+       bootpart-no-access;
+
+       supports-DDR_MODE;
+       caps2-mmc-hs200;
+
         ignore-pm-notify;
                keep-power-in-suspend;
        status = "okay";
@@ -213,6 +217,10 @@
                supports-sd;
                broken-cd;
                card-detect-delay = <200>;
+               
+               ignore-pm-notify;
+               keep-power-in-suspend;
+               
                vmmc-supply = <&rk808_ldo5_reg>;
                status = "okay";
 };

diff --git a/arch/arm/boot/dts/rk3288-p977.dts b/arch/arm/boot/dts/rk3288-p977.dts
index ea09ace26805b11ef92fe50fe950c9da53e4c0a5..2e6559ef8d06c501fcdbbe342a0ce8d1b9ee231e 100755 (executable)
--- a/arch/arm/boot/dts/rk3288-p977.dts
+++ b/arch/arm/boot/dts/rk3288-p977.dts
@@ -200,6 +200,8 @@
        broken-cd;
        card-detect-delay = <200>;
 
+       ignore-pm-notify;
+        keep-power-in-suspend;
        
         vmmc-supply = <&rk808_ldo5_reg>;
        status = "okay";

diff --git a/arch/arm/boot/dts/rk3288-tb.dts b/arch/arm/boot/dts/rk3288-tb.dts
index fefdd2fa1be31776a302f323c787fac5fc494be6..7bcade47ebc5e95eb99a905ba08e35a6dd27910c 100755 (executable)
--- a/arch/arm/boot/dts/rk3288-tb.dts
+++ b/arch/arm/boot/dts/rk3288-tb.dts
@@ -204,15 +204,21 @@
 };
 
 &emmc {
-               clock-frequency = <150000000>;
-               clock-freq-min-max = <400000 1500000000>;
+       clock-frequency = <100000000>;
+       clock-freq-min-max = <400000 100000000>;
+
         supports-highspeed;
-               supports-emmc;
-               bootpart-no-access;
+       supports-emmc;
+        bootpart-no-access;
+
+       //supports-DDR_MODE; //you should set the two value in your project. only close in RK3288-SDK board.
+       //caps2-mmc-hs200;
+
         ignore-pm-notify;
-               keep-power-in-suspend;
-               //poll-hw-reset 
-               status = "okay";
+       keep-power-in-suspend;
+       
+       //poll-hw-reset 
+       status = "okay";
 };
     
 &sdmmc {
@@ -222,7 +228,11 @@
                supports-sd;
                broken-cd;
                card-detect-delay = <200>;
-               vmmc-supply = <&rk808_ldo5_reg>;
+
+               ignore-pm-notify;
+               keep-power-in-suspend;
+       
+               vmmc-supply = <&rk808_ldo5_reg>;
                status = "okay";
 };
                

diff --git a/arch/arm/boot/dts/rk3288-tesco.dts b/arch/arm/boot/dts/rk3288-tesco.dts
index e459598b7a22254f412354519629a5fa4c38362b..408f1234784a1c746f7b3ee2bde5eefae69f61a6 100755 (executable)
--- a/arch/arm/boot/dts/rk3288-tesco.dts
+++ b/arch/arm/boot/dts/rk3288-tesco.dts
@@ -202,13 +202,17 @@
 };
 
 &emmc {
-               clock-frequency = <1500000000>;
-               clock-freq-min-max = <400000 150000000>;
+       clock-frequency = <150000000>;
+       clock-freq-min-max = <400000 150000000>;
         supports-highspeed;
-               supports-emmc;
-               bootpart-no-access;
+       supports-emmc;
+        bootpart-no-access;
+
+       supports-DDR_MODE;
+       caps2-mmc-hs200;
+
         ignore-pm-notify;
-               keep-power-in-suspend;
+       keep-power-in-suspend;
        status = "okay";
 };
     
@@ -219,7 +223,11 @@
                supports-sd;
                broken-cd;
                card-detect-delay = <200>;
-               vmmc-supply = <&rk808_ldo5_reg>;
+
+               ignore-pm-notify;
+               keep-power-in-suspend;
+       
+               vmmc-supply = <&rk808_ldo5_reg>;
                status = "okay";
 };