Merge tag 'pwm/for-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes contains support for PWM signal capture in the STi
  driver as well as support for the PWM controller found on Meson SoCs.
  There's also support added for the MediaTek MT2701 and SunXi H3 to the
  existing drivers.

  Other than that there's a fair set of miscellaneous cleanups and fixes
  across the board"

* tag 'pwm/for-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (24 commits)
  pwm: meson: Handle unknown ID values
  pwm: sti: Take the opportunity to conduct a little house keeping
  pwm: sti: It's now valid for number of PWM channels to be zero
  pwm: sti: Add PWM capture callback
  pwm: sti: Add support for PWM capture interrupts
  pwm: sti: Initialise PWM capture device data
  pwm: sti: Supply PWM Capture clock handling
  pwm: sti: Supply PWM capture register addresses and bit locations
  pwm: sti: Only request clock rate when needed
  pwm: sti: Reorganise register names in preparation for new functionality
  pwm: sti: Rename channel => device
  dt-bindings: pwm: sti: Update DT bindings for capture support
  pwm: lpc-18xx: use pwm_set_chip_data
  pwm: sunxi: Add H3 support
  pwm: Add support for Meson PWM Controller
  dt-bindings: pwm: Add bindings for Meson PWM Controller
  pwm: samsung: Fix to use lowest div for large enough modulation bits
  pwm: pwm-tipwmss: Remove all runtime PM gets/puts
  pwm: cros-ec: Add __packed to prevent padding
  pwm: Add MediaTek MT2701 display PWM driver support
  ...
This commit is contained in:
Linus Torvalds
2016-10-12 11:11:05 -07:00
19 changed files with 1187 additions and 149 deletions

View File

@@ -0,0 +1,23 @@
Amlogic Meson PWM Controller
============================
Required properties:
- compatible: Shall contain "amlogic,meson8b-pwm" or "amlogic,meson-gxbb-pwm".
- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of
the cells format.
Optional properties:
- clocks: Could contain one or two parents clocks phandle for each of the two
PWM channels.
- clock-names: Could contain at least the "clkin0" and/or "clkin1" names.
Example:
pwm_ab: pwm@8550 {
compatible = "amlogic,meson-gxbb-pwm";
reg = <0x0 0x08550 0x0 0x10>;
#pwm-cells = <3>;
status = "disabled";
clocks = <&xtal>, <&xtal>;
clock-names = "clkin0", "clkin1";
}

View File

@@ -2,8 +2,9 @@ MediaTek display PWM controller
Required properties:
- compatible: should be "mediatek,<name>-disp-pwm":
- "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
- "mediatek,mt2701-disp-pwm": found on mt2701 SoC.
- "mediatek,mt6595-disp-pwm": found on mt6595 SoC.
- "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
- reg: physical base address and length of the controller's registers.
- #pwm-cells: must be 2. See pwm.txt in this directory for a description of
the cell format.

View File

@@ -13,13 +13,14 @@ Required parameters:
- pinctrl-0: List of phandles pointing to pin configuration nodes
for PWM module.
For Pinctrl properties, please refer to [1].
- clock-names: Set to "pwm".
- clock-names: Valid entries are "pwm" and/or "capture".
- clocks: phandle of the clock used by the PWM module.
For Clk properties, please refer to [2].
- interrupts: IRQ for the Capture device
Optional properties:
- st,pwm-num-chan: Number of available channels. If not passed, the driver
will consider single channel by default.
- st,pwm-num-chan: Number of available PWM channels. Default is 0.
- st,capture-num-chan: Number of available Capture channels. Default is 0.
[1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
[2] Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -38,4 +39,5 @@ pwm1: pwm@fe510000 {
clocks = <&clk_sysin>;
clock-names = "pwm";
st,pwm-num-chan = <4>;
st,capture-num-chan = <2>;
};

View File

@@ -6,6 +6,7 @@ Required properties:
- "allwinner,sun5i-a10s-pwm"
- "allwinner,sun5i-a13-pwm"
- "allwinner,sun7i-a20-pwm"
- "allwinner,sun8i-h3-pwm"
- reg: physical base address and length of the controller's registers
- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
the cells format.