From patchwork Mon May 11 14:05:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamel BOUHARA X-Patchwork-Id: 207837 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF4F2C54E8F for ; Mon, 11 May 2020 14:05:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9334F20708 for ; Mon, 11 May 2020 14:05:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730353AbgEKOFa (ORCPT ); Mon, 11 May 2020 10:05:30 -0400 Received: from relay10.mail.gandi.net ([217.70.178.230]:54633 "EHLO relay10.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729680AbgEKOFa (ORCPT ); Mon, 11 May 2020 10:05:30 -0400 Received: from localhost (unknown [78.193.40.249]) (Authenticated sender: kamel.bouhara@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 1EAAE240011; Mon, 11 May 2020 14:05:27 +0000 (UTC) From: Kamel Bouhara To: William Breathitt Gray , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org Cc: Thomas Petazzoni , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Kamel Bouhara Subject: [PATCH v4 2/5] dt-bindings: atmel-tcb: convert bindings to json-schema Date: Mon, 11 May 2020 16:05:02 +0200 Message-Id: <20200511140505.1649111-3-kamel.bouhara@bootlin.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> References: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Alexandre Belloni From: Alexandre Belloni Convert Atmel Timer Counter Blocks bindings to DT schema format using json-schema. Also move it out of mfd as it is not and has never been related to mfd. Signed-off-by: Alexandre Belloni Signed-off-by: Kamel Bouhara --- .../devicetree/bindings/mfd/atmel-tcb.txt | 56 -------- .../soc/microchip/atmel,at91rm9200-tcb.yaml | 126 ++++++++++++++++++ 2 files changed, 126 insertions(+), 56 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-tcb.txt create mode 100644 Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml -- 2.25.0 diff --git a/Documentation/devicetree/bindings/mfd/atmel-tcb.txt b/Documentation/devicetree/bindings/mfd/atmel-tcb.txt deleted file mode 100644 index c4a83e364cb6..000000000000 --- a/Documentation/devicetree/bindings/mfd/atmel-tcb.txt +++ /dev/null @@ -1,56 +0,0 @@ -* Device tree bindings for Atmel Timer Counter Blocks -- compatible: Should be "atmel,-tcb", "simple-mfd", "syscon". - can be "at91rm9200" or "at91sam9x5" -- reg: Should contain registers location and length -- #address-cells: has to be 1 -- #size-cells: has to be 0 -- interrupts: Should contain all interrupts for the TC block - Note that you can specify several interrupt cells if the TC - block has one interrupt per channel. -- clock-names: tuple listing input clock names. - Required elements: "t0_clk", "slow_clk" - Optional elements: "t1_clk", "t2_clk" -- clocks: phandles to input clocks. - -The TCB can expose multiple subdevices: - * a timer - - compatible: Should be "atmel,tcb-timer" - - reg: Should contain the TCB channels to be used. If the - counter width is 16 bits (at91rm9200-tcb), two consecutive - channels are needed. Else, only one channel will be used. - -Examples: - -One interrupt per TC block: - tcb0: timer@fff7c000 { - compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0xfff7c000 0x100>; - interrupts = <18 4>; - clocks = <&tcb0_clk>, <&clk32k>; - clock-names = "t0_clk", "slow_clk"; - - timer@0 { - compatible = "atmel,tcb-timer"; - reg = <0>, <1>; - }; - - timer@2 { - compatible = "atmel,tcb-timer"; - reg = <2>; - }; - }; - -One interrupt per TC channel in a TC block: - tcb1: timer@fffdc000 { - compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0xfffdc000 0x100>; - interrupts = <26 4>, <27 4>, <28 4>; - clocks = <&tcb1_clk>, <&clk32k>; - clock-names = "t0_clk", "slow_clk"; - }; - - diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml new file mode 100644 index 000000000000..4b683151265e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml @@ -0,0 +1,126 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/soc/microchip/atmel,at91rm9200-tcb.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Atmel Timer Counter Block + +maintainers: + - Alexandre Belloni + +description: | + The Atmel (now Microchip) SoCs have timers named Timer Counter Block. Each + timer has three channels with two counters each. + +properties: + compatible: + items: + - enum: + - atmel,at91rm9200-tcb + - atmel,at91sam9x5-tcb + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + interrupts: + description: + List of interrupts. One interrupt per TCB channel if available or one + interrupt for the TC block + minItems: 1 + maxItems: 3 + + clock-names: + description: + List of clock names. Always includes t0_clk and slow clk. Also includes + t1_clk and t2_clk if a clock per channel is available. + minItems: 2 + maxItems: 4 + items: + enum: + - t0_clk + - t1_clk + - t2_clk + - slow_clk + + clocks: + minItems: 2 + maxItems: 4 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^timer@[0-2]$": + description: The timer block channels that are used as timers. + type: object + properties: + compatible: + const: atmel,tcb-timer + reg: + description: + List of channels to use for this particular timer. + minItems: 1 + maxItems: 3 + + required: + - compatible + - reg + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - '#address-cells' + - '#size-cells' + +examples: + - | + /* One interrupt per TC block: */ + tcb0: timer@fff7c000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfff7c000 0x100>; + interrupts = <18 4>; + clocks = <&tcb0_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>, <1>; + }; + + timer@2 { + compatible = "atmel,tcb-timer"; + reg = <2>; + }; + }; + + /* One interrupt per TC channel in a TC block: */ + tcb1: timer@fffdc000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfffdc000 0x100>; + interrupts = <26 4>, <27 4>, <28 4>; + clocks = <&tcb1_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "atmel,tcb-timer"; + reg = <0>; + }; + + timer@1 { + compatible = "atmel,tcb-timer"; + reg = <1>; + }; + }; From patchwork Mon May 11 14:05:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamel BOUHARA X-Patchwork-Id: 207836 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F5F2C54E97 for ; Mon, 11 May 2020 14:05:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70CEB207FF for ; Mon, 11 May 2020 14:05:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730358AbgEKOFb (ORCPT ); Mon, 11 May 2020 10:05:31 -0400 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:51909 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730348AbgEKOFb (ORCPT ); Mon, 11 May 2020 10:05:31 -0400 X-Originating-IP: 78.193.40.249 Received: from localhost (unknown [78.193.40.249]) (Authenticated sender: kamel.bouhara@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 61BBE2000E; Mon, 11 May 2020 14:05:28 +0000 (UTC) From: Kamel Bouhara To: William Breathitt Gray , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org Cc: Thomas Petazzoni , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Kamel Bouhara Subject: [PATCH v4 3/5] dt-bindings: microchip: atmel, at91rm9200-tcb: add sama5d2 compatible Date: Mon, 11 May 2020 16:05:03 +0200 Message-Id: <20200511140505.1649111-4-kamel.bouhara@bootlin.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> References: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Alexandre Belloni From: Alexandre Belloni The sama5d2 TC block TIMER_CLOCK1 is different from the at91sam9x5 one. Instead of being MCK / 2, it is the TCB GCLK. Signed-off-by: Alexandre Belloni Signed-off-by: Kamel Bouhara --- .../soc/microchip/atmel,at91rm9200-tcb.yaml | 36 +++++++++++++++---- 1 file changed, 30 insertions(+), 6 deletions(-) -- 2.25.0 diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml index 4b683151265e..38403760f64d 100644 --- a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml @@ -19,6 +19,7 @@ properties: - enum: - atmel,at91rm9200-tcb - atmel,at91sam9x5-tcb + - atmel,sama5d2-tcb - const: simple-mfd - const: syscon @@ -38,12 +39,6 @@ properties: t1_clk and t2_clk if a clock per channel is available. minItems: 2 maxItems: 4 - items: - enum: - - t0_clk - - t1_clk - - t2_clk - - slow_clk clocks: minItems: 2 @@ -72,6 +67,35 @@ patternProperties: - compatible - reg +allOf: + - if: + properties: + compatible: + contains: + const: atmel,sama5d2-tcb + then: + properties: + clocks: + minItems: 3 + maxItems: 3 + clock-names: + items: + - const: t0_clk + - const: gclk + - const: slow_clk + else: + properties: + clocks: + minItems: 2 + maxItems: 4 + clock-names: + items: + enum: + - t0_clk + - t1_clk + - t2_clk + - slow_clk + required: - compatible - reg From patchwork Mon May 11 14:05:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kamel BOUHARA X-Patchwork-Id: 207835 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97A29C54E98 for ; Mon, 11 May 2020 14:05:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8121720736 for ; Mon, 11 May 2020 14:05:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730348AbgEKOFd (ORCPT ); Mon, 11 May 2020 10:05:33 -0400 Received: from relay7-d.mail.gandi.net ([217.70.183.200]:54057 "EHLO relay7-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730359AbgEKOFd (ORCPT ); Mon, 11 May 2020 10:05:33 -0400 X-Originating-IP: 78.193.40.249 Received: from localhost (unknown [78.193.40.249]) (Authenticated sender: kamel.bouhara@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id CC2522000F; Mon, 11 May 2020 14:05:29 +0000 (UTC) From: Kamel Bouhara To: William Breathitt Gray , Rob Herring , Mark Rutland , Nicolas Ferre , Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org Cc: Thomas Petazzoni , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Kamel Bouhara Subject: [PATCH v4 4/5] dt-bindings: counter: microchip-tcb-capture counter Date: Mon, 11 May 2020 16:05:04 +0200 Message-Id: <20200511140505.1649111-5-kamel.bouhara@bootlin.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> References: <20200511140505.1649111-1-kamel.bouhara@bootlin.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Describe the devicetree binding for the Microchip TCB module. Each counter blocks exposes three independent counters. However, when configured in quadrature decoder, both channel <0> and <1> are required for speed/position and rotation capture (yet only the position is captured). Signed-off-by: Kamel Bouhara --- .../soc/microchip/atmel,at91rm9200-tcb.yaml | 29 +++++++++++++++++-- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml index 38403760f64d..0bd7b14a1552 100644 --- a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml @@ -52,14 +52,20 @@ properties: patternProperties: "^timer@[0-2]$": - description: The timer block channels that are used as timers. + description: The timer block channels that are used as timers or counters. type: object properties: compatible: - const: atmel,tcb-timer + items: + - enum: + - atmel,tcb-timer + - microchip,tcb-capture reg: description: - List of channels to use for this particular timer. + List of channels to use for this particular timer. In Microchip TCB capture + mode channels are registered as a counter devices, for the qdec mode TCB0's + channel <0> and <1> are required. + minItems: 1 maxItems: 3 @@ -148,3 +154,20 @@ examples: reg = <1>; }; }; +examples: + - | + /* TCB Capture with qdec mode: */ + tcb0: timer@fff7c000 { + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xfff7c000 0x100>; + interrupts = <18 4>; + clocks = <&tcb0_clk>, <&clk32k>; + clock-names = "t0_clk", "slow_clk"; + + timer@0 { + compatible = "atmel,tcb-capture"; + reg = <0>, <1>; + }; + };