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From: Steve Longerbeam <slongerbeam@gmail.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-kernel@vger.kernel.org (open list:CLOCKSOURCE,
	CLOCKEVENT DRIVERS),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	 linux-arm-kernel@lists.infradead.org (moderated
	list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE)
Cc: Steve Longerbeam <slongerbeam@gmail.com>
Subject: [PATCH 2/2] dt-bindings: timer: imx: gpt: Add pin group bindings for input capture
Date: Tue, 15 Oct 2019 18:05:44 -0700	[thread overview]
Message-ID: <20191016010544.14561-3-slongerbeam@gmail.com> (raw)
In-Reply-To: <20191016010544.14561-1-slongerbeam@gmail.com>

Add pin group bindings to support input capture function of the i.MX
GPT.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
---
 .../devicetree/bindings/timer/fsl,imxgpt.txt  | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
index 5d8fd5b52598..32797b7b0d02 100644
--- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
+++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
@@ -33,6 +33,13 @@ Required properties:
            an entry for each entry in clock-names.
 - clock-names : must include "ipg" entry first, then "per" entry.
 
+Optional properties:
+
+- pinctrl-0: For the i.MX GPT to support the Input Capture function,
+  	     the input capture channel pin groups must be listed here.
+- pinctrl-names: must be "default".
+
+
 Example:
 
 gpt1: timer@10003000 {
@@ -43,3 +50,24 @@ gpt1: timer@10003000 {
 		 <&clks IMX27_CLK_PER1_GATE>;
 	clock-names = "ipg", "per";
 };
+
+
+Example with input capture channel 0 support:
+
+pinctrl_gpt_input_capture0: gptinputcapture0grp {
+	fsl,pins = <
+		MX6QDL_PAD_SD1_DAT0__GPT_CAPTURE1 0x1b0b0
+	>;
+};
+
+gpt: gpt@2098000 {
+	compatible = "fsl,imx6q-gpt", "fsl,imx31-gpt";
+	reg = <0x02098000 0x4000>;
+	interrupts = <0 55 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&clks IMX6QDL_CLK_GPT_IPG>,
+		<&clks IMX6QDL_CLK_GPT_IPG_PER>,
+		<&clks IMX6QDL_CLK_GPT_3M>;
+	clock-names = "ipg", "per", "osc_per";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpt_input_capture0>;
+};
-- 
2.17.1


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Steve Longerbeam <slongerbeam@gmail.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	linux-kernel@vger.kernel.org (open list:CLOCKSOURCE,
	CLOCKEVENT DRIVERS),
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-arm-kernel@lists.infradead.org (moderated
	list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE)
Cc: Steve Longerbeam <slongerbeam@gmail.com>
Subject: [PATCH 2/2] dt-bindings: timer: imx: gpt: Add pin group bindings for input capture
Date: Tue, 15 Oct 2019 18:05:44 -0700	[thread overview]
Message-ID: <20191016010544.14561-3-slongerbeam@gmail.com> (raw)
In-Reply-To: <20191016010544.14561-1-slongerbeam@gmail.com>

Add pin group bindings to support input capture function of the i.MX
GPT.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
---
 .../devicetree/bindings/timer/fsl,imxgpt.txt  | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
index 5d8fd5b52598..32797b7b0d02 100644
--- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
+++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
@@ -33,6 +33,13 @@ Required properties:
            an entry for each entry in clock-names.
 - clock-names : must include "ipg" entry first, then "per" entry.
 
+Optional properties:
+
+- pinctrl-0: For the i.MX GPT to support the Input Capture function,
+  	     the input capture channel pin groups must be listed here.
+- pinctrl-names: must be "default".
+
+
 Example:
 
 gpt1: timer@10003000 {
@@ -43,3 +50,24 @@ gpt1: timer@10003000 {
 		 <&clks IMX27_CLK_PER1_GATE>;
 	clock-names = "ipg", "per";
 };
+
+
+Example with input capture channel 0 support:
+
+pinctrl_gpt_input_capture0: gptinputcapture0grp {
+	fsl,pins = <
+		MX6QDL_PAD_SD1_DAT0__GPT_CAPTURE1 0x1b0b0
+	>;
+};
+
+gpt: gpt@2098000 {
+	compatible = "fsl,imx6q-gpt", "fsl,imx31-gpt";
+	reg = <0x02098000 0x4000>;
+	interrupts = <0 55 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&clks IMX6QDL_CLK_GPT_IPG>,
+		<&clks IMX6QDL_CLK_GPT_IPG_PER>,
+		<&clks IMX6QDL_CLK_GPT_3M>;
+	clock-names = "ipg", "per", "osc_per";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpt_input_capture0>;
+};
-- 
2.17.1


  parent reply	other threads:[~2019-10-16  1:06 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191016010544.14561-1-slongerbeam@gmail.com>
2019-10-16  1:05 ` [PATCH 1/2] clocksource/drivers/imx: add input capture support Steve Longerbeam
2019-10-16  1:05   ` Steve Longerbeam
2019-10-16  1:05 ` Steve Longerbeam [this message]
2019-10-16  1:05   ` [PATCH 2/2] dt-bindings: timer: imx: gpt: Add pin group bindings for input capture Steve Longerbeam
2019-10-27 21:21   ` Rob Herring
2019-10-27 21:21     ` Rob Herring
2019-10-28 23:59     ` Steve Longerbeam
2019-10-28 23:59       ` Steve Longerbeam
2019-10-29 19:58       ` Rob Herring
2019-10-29 19:58         ` Rob Herring
2019-11-03 20:20         ` Steve Longerbeam
2019-11-03 20:20           ` Steve Longerbeam
2019-11-04 20:09           ` Rob Herring
2019-11-04 20:09             ` Rob Herring
2019-11-04 22:36             ` Steve Longerbeam
2019-11-04 22:36               ` Steve Longerbeam

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