The idle-states binding documentation[1] mentions that the
'entry-method' property is required on 64-bit platforms and must be
set to "psci".
commit 
a13f18f59d26 ("Documentation: arm: Fix typo in the idle-states
bindings examples") attempted to fix this earlier but clearly more is
needed.
Fix the cpu-capacity.txt documentation that uses the incorrect value so
we don't get copy-paste errors like these. Clarify the language in
idle-states.txt by removing the reference to the psci bindings that
might be causing this confusion.
Finally, fix devicetrees of various boards to reflect current
documentation.
[1] Documentation/devicetree/bindings/arm/idle-states.txt (see
idle-states node)
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
        };
 
        idle-states {
-               entry-method = "arm,psci";
+               entry-method = "psci";
 
                CPU_SLEEP_0: cpu-sleep-0 {
                        compatible = "arm,idle-state";
 
                Value type: <stringlist>
                Usage and definition depend on ARM architecture version.
                        # On ARM v8 64-bit this property is required and must
-                         be one of:
-                          - "psci" (see bindings in [2])
+                         be:
+                          - "psci"
                        # On ARM 32-bit systems this property is optional
 
 The nodes describing the idle states (state) can only be defined within the
 
                };
 
                idle-states {
-                       entry-method = "arm,psci";
+                       entry-method = "psci";
 
                        CPU_SLEEP_0: cpu-sleep-0 {
                                compatible = "arm,idle-state";
 
                };
 
                idle-states {
-                       entry-method = "arm,psci";
+                       entry-method = "psci";
 
                        CPU_SLEEP_0: cpu-sleep-0 {
                                compatible = "arm,idle-state";
 
                };
 
                idle-states {
-                       entry-method = "arm,psci";
+                       entry-method = "psci";
 
                        CPU_SLEEP_0: cpu-sleep-0 {
                                compatible = "arm,idle-state";
 
                 * PSCI node is not added default, U-boot will add missing
                 * parts if it determines to use PSCI.
                 */
-               entry-method = "arm,psci";
+               entry-method = "psci";
 
                CPU_PH20: cpu-ph20 {
                        compatible = "arm,idle-state";
 
                 * PSCI node is not added default, U-boot will add missing
                 * parts if it determines to use PSCI.
                 */
-               entry-method = "arm,psci";
+               entry-method = "psci";
 
                CPU_PH20: cpu-ph20 {
                        compatible = "arm,idle-state";
 
                 * PSCI node is not added default, U-boot will add missing
                 * parts if it determines to use PSCI.
                 */
-               entry-method = "arm,psci";
+               entry-method = "psci";
 
                CPU_PH20: cpu-ph20 {
                        compatible = "arm,idle-state";
 
                };
 
                idle-states {
-                       entry-method = "arm,psci";
+                       entry-method = "psci";
 
                        CPU_SLEEP_0: cpu-sleep-0 {
                                compatible = "arm,idle-state";
 
        };
 
        idle-states{
-               entry-method = "arm,psci";
+               entry-method = "psci";
 
                CORE_PD: core_pd {
                        compatible = "arm,idle-state";
 
                };
 
                idle-states {
-                       entry-method = "arm,psci";
+                       entry-method = "psci";
 
                        CPU_SLEEP_0: cpu-sleep-0 {
                                compatible = "arm,idle-state";