Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1705406 > unrolled thread

[PATCH 0/4] K2G: Add support for PWM ECAP

Back to article view | Back to linux.kernel

Contents

  [PATCH 0/4] K2G: Add support for PWM ECAP Vignesh R <vigneshr@ti.com> - 2017-08-07 14:00 +0200
    [PATCH 3/4] ARM: dts: keystone-k2g-evm: Enable PWM ECAP0 Vignesh R <vigneshr@ti.com> - 2017-08-07 14:00 +0200
    [PATCH 4/4] ARM: configs: keystone: Enable TIECAP PWM driver Vignesh R <vigneshr@ti.com> - 2017-08-07 14:00 +0200
    [PATCH 1/4] pwm: pwm-tiecap: Add TI 66AK2G SoC specific compatible Vignesh R <vigneshr@ti.com> - 2017-08-07 14:00 +0200
      Re: [PATCH 1/4] pwm: pwm-tiecap: Add TI 66AK2G SoC specific  compatible Rob Herring <robh@kernel.org> - 2017-08-10 23:00 +0200

#1705406 — [PATCH 0/4] K2G: Add support for PWM ECAP

This series adds support for TI ECAP PWM IP present in 66AK2G SoC.
Based on linux-next.

Vignesh R (4):
  pwm: pwm-tiecap: Add TI 66AK2G SoC specific compatible
  ARM: dts: keystone-k2g: Add ECAP PWM DT nodes
  ARM: dts: keystone-k2g-evm: Enable PWM ECAP0
  ARM: configs: keystone: Enable TIECAP PWM driver

 Documentation/devicetree/bindings/pwm/pwm-tiecap.txt |  1 +
 arch/arm/boot/dts/keystone-k2g-evm.dts               | 12 ++++++++++++
 arch/arm/boot/dts/keystone-k2g.dtsi                  | 20 ++++++++++++++++++++
 arch/arm/configs/keystone_defconfig                  |  2 ++
 4 files changed, 35 insertions(+)

-- 
2.13.3

[toc] | [next] | [standalone]

#1705409 — [PATCH 3/4] ARM: dts: keystone-k2g-evm: Enable PWM ECAP0

Enable PWM ECAP0 which will be used for display backlight.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 arch/arm/boot/dts/keystone-k2g-evm.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts
index 61883cb969d2..3ce8010622ff 100644
--- a/arch/arm/boot/dts/keystone-k2g-evm.dts
+++ b/arch/arm/boot/dts/keystone-k2g-evm.dts
@@ -34,6 +34,12 @@
 			K2G_CORE_IOPAD(0x11d0) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */
 		>;
 	};
+
+	ecap0_pins: ecap0_pins {
+		pinctrl-single,pins = <
+			K2G_CORE_IOPAD(0x1374) (BUFFER_CLASS_B | MUX_MODE4)	/* pr1_mdio_data.ecap0_in_apwm0_out */
+		>;
+	};
 };
 
 &uart0 {
@@ -41,3 +47,9 @@
 	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };
+
+&ecap0 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&ecap0_pins>;
+};
-- 
2.13.3

[toc] | [prev] | [next] | [standalone]

#1705412 — [PATCH 4/4] ARM: configs: keystone: Enable TIECAP PWM driver

Enable PWM_TIECAP driver to support ECAP IP present in 66AK2G SoC.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 arch/arm/configs/keystone_defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index d47ea43d097e..445ad438b451 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -182,6 +182,8 @@ CONFIG_KEYSTONE_NAVIGATOR_DMA=y
 CONFIG_TI_SCI_PM_DOMAINS=y
 CONFIG_MEMORY=y
 CONFIG_TI_AEMIF=y
+CONFIG_PWM=y
+CONFIG_PWM_TIECAP=m
 CONFIG_KEYSTONE_IRQ=y
 CONFIG_RESET_TI_SCI=m
 CONFIG_RESET_TI_SYSCON=m
-- 
2.13.3

[toc] | [prev] | [next] | [standalone]

#1705413 — [PATCH 1/4] pwm: pwm-tiecap: Add TI 66AK2G SoC specific compatible

Add a new compatible string "ti,k2g-ecap" to support PWM ECAP IP of
TI 66AK2G SoC.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 Documentation/devicetree/bindings/pwm/pwm-tiecap.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
index 8007e839a716..06a363d9ccef 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
@@ -6,6 +6,7 @@ Required properties:
   for am4372 - compatible = "ti,am4372-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
   for da850  - compatible = "ti,da850-ecap", "ti,am3352-ecap", "ti,am33xx-ecap";
   for dra746 - compatible = "ti,dra746-ecap", "ti,am3352-ecap";
+  for 66ak2g - compatible = "ti,k2g-ecap", "ti,am3352-ecap";
 - #pwm-cells: should be 3. See pwm.txt in this directory for a description of
   the cells format. The PWM channel index ranges from 0 to 4. The only third
   cell flag supported by this binding is PWM_POLARITY_INVERTED.
-- 
2.13.3

[toc] | [prev] | [next] | [standalone]

#1709025 — Re: [PATCH 1/4] pwm: pwm-tiecap: Add TI 66AK2G SoC specific compatible

On Mon, Aug 07, 2017 at 05:19:40PM +0530, Vignesh R wrote:
> Add a new compatible string "ti,k2g-ecap" to support PWM ECAP IP of
> TI 66AK2G SoC.
> 
> Signed-off-by: Vignesh R <vigneshr@ti.com>
> ---
>  Documentation/devicetree/bindings/pwm/pwm-tiecap.txt | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Rob Herring <robh@kernel.org>

[toc] | [prev] | [standalone]

Back to top | Article view | linux.kernel

csiph-web