From patchwork Fri Nov 15 12:27:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin GAIGNARD X-Patchwork-Id: 1195600 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=st.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=st.com header.i=@st.com header.b="JK0LfWi8"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47DyKq0BTGz9sPK for ; Fri, 15 Nov 2019 23:27:43 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727530AbfKOM1j (ORCPT ); Fri, 15 Nov 2019 07:27:39 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:42133 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727323AbfKOM1i (ORCPT ); Fri, 15 Nov 2019 07:27:38 -0500 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAFCC3DP030963; Fri, 15 Nov 2019 13:27:04 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=+ySUyuIgppZscAXuN5IFd1l92uGKjRfWMz0ArEYbKMg=; b=JK0LfWi89WCk8ooVq9J6K8MmK5G8ByfR1TP+Am1vgJJ4EpvI1uLXGfcT1wQqVg2a8JUO z7bs+PJ0e8gIpuyda2PwAjci1609IKKHPdzZvbxFd2gTwK2JzzFm/l3T/JHmjM/wXVIJ hn3r1fi8zvIVk0XoguiGvByik5m6hBPsKUACGg/P6bWBvcjlZwUb2NT7hc8LTrCG97MN E1LZdrl2br0TPxwkoGqfqd0FlNbppbS7WFsfJhZVNyqFA7uT0RM4SL3d8RpnW+DeNVyd TAxiDckTIWPdwWw3utVF7gMp0zGQQHLLuF8t0Sqb4Ayqz9FBcmYp/Q4l8Q2yqSJ6Met3 Dw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2w7psbm1k0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Nov 2019 13:27:04 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 63C46100034; Fri, 15 Nov 2019 13:27:03 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node3.st.com [10.75.127.9]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 34D852A96EE; Fri, 15 Nov 2019 13:27:03 +0100 (CET) Received: from localhost (10.75.127.46) by SFHDAG3NODE3.st.com (10.75.127.9) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 15 Nov 2019 13:27:02 +0100 From: Benjamin Gaignard To: , , , , , , , , , , CC: , , , , , , Benjamin Gaignard Subject: [PATCH] dt-bindings: mfd: Convert stm32 low power timers bindings to json-schema Date: Fri, 15 Nov 2019 13:27:00 +0100 Message-ID: <20191115122700.12688-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG5NODE1.st.com (10.75.127.13) To SFHDAG3NODE3.st.com (10.75.127.9) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95, 18.0.572 definitions=2019-11-15_03:2019-11-15, 2019-11-15 signatures=0 Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Convert the STM32 low power timers binding to DT schema format using json-schema Signed-off-by: Benjamin Gaignard --- .../bindings/counter/stm32-lptimer-cnt.txt | 29 ----- .../bindings/iio/timer/stm32-lptimer-trigger.txt | 23 ---- .../devicetree/bindings/mfd/st,stm32-lptimer.yaml | 117 +++++++++++++++++++++ .../devicetree/bindings/mfd/stm32-lptimer.txt | 48 --------- .../devicetree/bindings/pwm/pwm-stm32-lp.txt | 30 ------ 5 files changed, 117 insertions(+), 130 deletions(-) delete mode 100644 Documentation/devicetree/bindings/counter/stm32-lptimer-cnt.txt delete mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt create mode 100644 Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml delete mode 100644 Documentation/devicetree/bindings/mfd/stm32-lptimer.txt delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt diff --git a/Documentation/devicetree/bindings/counter/stm32-lptimer-cnt.txt b/Documentation/devicetree/bindings/counter/stm32-lptimer-cnt.txt deleted file mode 100644 index e90bc47f752a..000000000000 --- a/Documentation/devicetree/bindings/counter/stm32-lptimer-cnt.txt +++ /dev/null @@ -1,29 +0,0 @@ -STMicroelectronics STM32 Low-Power Timer quadrature encoder and counter - -STM32 Low-Power Timer provides several counter modes. It can be used as: -- quadrature encoder to detect angular position and direction of rotary - elements, from IN1 and IN2 input signals. -- simple counter from IN1 input signal. - -Must be a sub-node of an STM32 Low-Power Timer device tree node. -See ../mfd/stm32-lptimer.txt for details about the parent node. - -Required properties: -- compatible: Must be "st,stm32-lptimer-counter". -- pinctrl-names: Set to "default". An additional "sleep" state can be - defined to set pins in sleep state. -- pinctrl-n: List of phandles pointing to pin configuration nodes, - to set IN1/IN2 pins in mode of operation for Low-Power - Timer input on external pin. - -Example: - timer@40002400 { - compatible = "st,stm32-lptimer"; - ... - counter { - compatible = "st,stm32-lptimer-counter"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&lptim1_in_pins>; - pinctrl-1 = <&lptim1_sleep_in_pins>; - }; - }; diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt deleted file mode 100644 index 85e6806b17d7..000000000000 --- a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt +++ /dev/null @@ -1,23 +0,0 @@ -STMicroelectronics STM32 Low-Power Timer Trigger - -STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used -by STM32 internal ADC and/or DAC. - -Must be a sub-node of an STM32 Low-Power Timer device tree node. -See ../mfd/stm32-lptimer.txt for details about the parent node. - -Required properties: -- compatible: Must be "st,stm32-lptimer-trigger". -- reg: Identify trigger hardware block. Must be 0, 1 or 2 - respectively for lptimer1, lptimer2 or lptimer3 - trigger output. - -Example: - timer@40002400 { - compatible = "st,stm32-lptimer"; - ... - trigger@0 { - compatible = "st,stm32-lptimer-trigger"; - reg = <0>; - }; - }; diff --git a/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml new file mode 100644 index 000000000000..8f42c9a4c6cb --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/st,stm32-lptimer.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/st,stm32-lptimer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 Low-Power Timers bindings + +description: | + The STM32 Low-Power Timer (LPTIM) is a 16-bit timer that provides several + functions + - PWM output (with programmable prescaler, configurable polarity) + - Quadrature encoder, counter + - Trigger source for STM32 ADC/DAC (LPTIM_OUT) + +maintainers: + - Fabrice Gasnier + +properties: + compatible: + const: st,stm32-lptimer + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: mux + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pwm: + type: object + + properties: + compatible: + const: st,stm32-pwm-lp + + "#pwm-cells": + const: 3 + + required: + - "#pwm-cells" + - compatible + +patternProperties: + "^trigger@[0-9]+$": + type: object + + properties: + compatible: + const: st,stm32-lptimer-trigger + + reg: + description: Identify trigger hardware block. + items: + minimum: 0 + maximum: 3 + + required: + - compatible + - reg + + counter: + type: object + + properties: + compatible: + const: st,stm32-lptimer-counter + + required: + - compatible + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + timer@40002400 { + compatible = "st,stm32-lptimer"; + reg = <0x40002400 0x400>; + clocks = <&timer_clk>; + clock-names = "mux"; + #address-cells = <1>; + #size-cells = <0>; + + pwm { + compatible = "st,stm32-pwm-lp"; + #pwm-cells = <3>; + }; + + trigger@0 { + compatible = "st,stm32-lptimer-trigger"; + reg = <0>; + }; + + counter { + compatible = "st,stm32-lptimer-counter"; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt b/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt deleted file mode 100644 index fb54e4dad5b3..000000000000 --- a/Documentation/devicetree/bindings/mfd/stm32-lptimer.txt +++ /dev/null @@ -1,48 +0,0 @@ -STMicroelectronics STM32 Low-Power Timer - -The STM32 Low-Power Timer (LPTIM) is a 16-bit timer that provides several -functions: -- PWM output (with programmable prescaler, configurable polarity) -- Quadrature encoder, counter -- Trigger source for STM32 ADC/DAC (LPTIM_OUT) - -Required properties: -- compatible: Must be "st,stm32-lptimer". -- reg: Offset and length of the device's register set. -- clocks: Phandle to the clock used by the LP Timer module. -- clock-names: Must be "mux". -- #address-cells: Should be '<1>'. -- #size-cells: Should be '<0>'. - -Optional subnodes: -- pwm: See ../pwm/pwm-stm32-lp.txt -- counter: See ../counter/stm32-lptimer-cnt.txt -- trigger: See ../iio/timer/stm32-lptimer-trigger.txt - -Example: - - timer@40002400 { - compatible = "st,stm32-lptimer"; - reg = <0x40002400 0x400>; - clocks = <&timer_clk>; - clock-names = "mux"; - #address-cells = <1>; - #size-cells = <0>; - - pwm { - compatible = "st,stm32-pwm-lp"; - pinctrl-names = "default"; - pinctrl-0 = <&lppwm1_pins>; - }; - - trigger@0 { - compatible = "st,stm32-lptimer-trigger"; - reg = <0>; - }; - - counter { - compatible = "st,stm32-lptimer-counter"; - pinctrl-names = "default"; - pinctrl-0 = <&lptim1_in_pins>; - }; - }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt deleted file mode 100644 index 6521bc44a74e..000000000000 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt +++ /dev/null @@ -1,30 +0,0 @@ -STMicroelectronics STM32 Low-Power Timer PWM - -STM32 Low-Power Timer provides single channel PWM. - -Must be a sub-node of an STM32 Low-Power Timer device tree node. -See ../mfd/stm32-lptimer.txt for details about the parent node. - -Required parameters: -- compatible: Must be "st,stm32-pwm-lp". -- #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells - bindings defined in pwm.txt. - -Optional properties: -- pinctrl-names: Set to "default". An additional "sleep" state can be - defined to set pins in sleep state when in low power. -- pinctrl-n: Phandle(s) pointing to pin configuration node for PWM, - respectively for "default" and "sleep" states. - -Example: - timer@40002400 { - compatible = "st,stm32-lptimer"; - ... - pwm { - compatible = "st,stm32-pwm-lp"; - #pwm-cells = <3>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&lppwm1_pins>; - pinctrl-1 = <&lppwm1_sleep_pins>; - }; - };