summaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-24 05:37:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-24 05:37:49 +0300
commit4c07e2ddab5b6b57dbcb09aedbda1f484d5940cc (patch)
tree531c3121c4d1502c98d5a18903bac50b6d5be1b3 /Documentation
parentd0b3cfee333eb7eecb6ce72f06f5a02d249b9bdf (diff)
parent8391c6cb2414d9a75bbe247a838d28cb0cee77ee (diff)
downloadlinux-4c07e2ddab5b6b57dbcb09aedbda1f484d5940cc.tar.xz
Merge tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones: "New Drivers: - Add support for Merrifield Basin Cove PMIC New Device Support: - Add support for Intel Tiger Lake to Intel LPSS PCI - Add support for Intel Sky Lake to Intel LPSS PCI - Add support for ST-Ericsson DB8520 to DB8500 PRCMU New Functionality: - Add RTC and PWRC support to MT6323 Fix-ups: - Clean-up include files; davinci_voicecodec, asic3, sm501, mt6397 - Ignore return values from debugfs_create*(); ab3100-*, ab8500-debugfs, aat2870-core - Device Tree changes; rn5t618, mt6397 - Use new I2C API; tps80031, 88pm860x-core, ab3100-core, bcm590xx, da9150-core, max14577, max77693, max77843, max8907, max8925-i2c, max8997, max8998, palmas, twl-core, - Remove obsolete code; da9063, jz4740-adc - Simplify semantics; timberdale, htc-i2cpld - Add 'fall-through' tags; omap-usb-host, db8500-prcmu - Remove superfluous prints; ab8500-debugfs, db8500-prcmu, fsl-imx25-tsadc, intel_soc_pmic_bxtwc, qcom_rpm, sm501 - Trivial rename/whitespace/typo fixes; mt6397-core, MAINTAINERS - Reorganise code structure; mt6397-* - Improve code consistency; intel-lpss - Use MODULE_SOFTDEP() helper; intel-lpss - Use DEFINE_RES_*() helpers; mt6397-core Bug Fixes: - Clean-up resources; max77620 - Prevent input events being dropped on resume; intel-lpss-pci - Prevent sleeping in IRQ context; ezx-pcap" * tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (48 commits) mfd: mt6323: Add MT6323 RTC and PWRC mfd: mt6323: Replace boilerplate resource code with DEFINE_RES_* macros mfd: mt6397: Add mutex include dt-bindings: mfd: mediatek: Add MT6323 Power Controller dt-bindings: mfd: mediatek: Update RTC to include MT6323 dt-bindings: mfd: mediatek: mt6397: Change to relative paths mfd: db8500-prcmu: Support the higher DB8520 ARMSS mfd: intel-lpss: Use MODULE_SOFTDEP() instead of implicit request mfd: htc-i2cpld: Drop check because i2c_unregister_device() is NULL safe mfd: sm501: Include the GPIO driver header mfd: intel-lpss: Add Intel Skylake ACPI IDs mfd: intel-lpss: Consistently use GENMASK() mfd: Add support for Merrifield Basin Cove PMIC mfd: ezx-pcap: Replace mutex_lock with spin_lock mfd: asic3: Include the right header MAINTAINERS: altera-sysmgr: Fix typo in a filepath mfd: mt6397: Extract IRQ related code from core driver mfd: mt6397: Rename macros to something more readable mfd: Remove dev_err() usage after platform_get_irq() mfd: db8500-prcmu: Mark expected switch fall-throughs ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mfd/mt6397.txt20
-rw-r--r--Documentation/devicetree/bindings/mfd/rn5t618.txt5
-rw-r--r--Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt20
3 files changed, 39 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index 0ebd08af777d..a9b105ac00a8 100644
--- a/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -8,11 +8,12 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
- Clock
- LED
- Keys
+- Power controller
It is interfaced to host controller using SPI interface by a proprietary hardware
called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
See the following for pwarp node definitions:
-Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
+../soc/mediatek/pwrap.txt
This document describes the binding for MFD device and its sub module.
@@ -22,14 +23,16 @@ compatible: "mediatek,mt6397" or "mediatek,mt6323"
Optional subnodes:
- rtc
- Required properties:
+ Required properties: Should be one of follows
+ - compatible: "mediatek,mt6323-rtc"
- compatible: "mediatek,mt6397-rtc"
+ For details, see ../rtc/rtc-mt6397.txt
- regulators
Required properties:
- compatible: "mediatek,mt6397-regulator"
- see Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
+ see ../regulator/mt6397-regulator.txt
- compatible: "mediatek,mt6323-regulator"
- see Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
+ see ../regulator/mt6323-regulator.txt
- codec
Required properties:
- compatible: "mediatek,mt6397-codec"
@@ -39,12 +42,17 @@ Optional subnodes:
- led
Required properties:
- compatible: "mediatek,mt6323-led"
- see Documentation/devicetree/bindings/leds/leds-mt6323.txt
+ see ../leds/leds-mt6323.txt
- keys
Required properties:
- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
- see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
+ see ../input/mtk-pmic-keys.txt
+
+- power-controller
+ Required properties:
+ - compatible: "mediatek,mt6323-pwrc"
+ For details, see ../power/reset/mt6323-poweroff.txt
Example:
pwrap: pwrap@1000f000 {
diff --git a/Documentation/devicetree/bindings/mfd/rn5t618.txt b/Documentation/devicetree/bindings/mfd/rn5t618.txt
index 65c23263cc54..b74e5e94d1cb 100644
--- a/Documentation/devicetree/bindings/mfd/rn5t618.txt
+++ b/Documentation/devicetree/bindings/mfd/rn5t618.txt
@@ -14,6 +14,10 @@ Required properties:
"ricoh,rc5t619"
- reg: the I2C slave address of the device
+Optional properties:
+ - system-power-controller:
+ See Documentation/devicetree/bindings/power/power-controller.txt
+
Sub-nodes:
- regulators: the node is required if the regulator functionality is
needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4
@@ -28,6 +32,7 @@ Example:
pmic@32 {
compatible = "ricoh,rn5t618";
reg = <0x32>;
+ system-power-controller;
regulators {
DCDC1 {
diff --git a/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
new file mode 100644
index 000000000000..933f0c48e887
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
@@ -0,0 +1,20 @@
+Device Tree Bindings for Power Controller on MediaTek PMIC
+
+The power controller which could be found on PMIC is responsible for externally
+powering off or on the remote MediaTek SoC through the circuit BBPU.
+
+Required properties:
+- compatible: Should be one of follows
+ "mediatek,mt6323-pwrc": for MT6323 PMIC
+
+Example:
+
+ pmic {
+ compatible = "mediatek,mt6323";
+
+ ...
+
+ power-controller {
+ compatible = "mediatek,mt6323-pwrc";
+ };
+ }