From patchwork Tue Jan 10 01:49:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunyan Zhang X-Patchwork-Id: 641111 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22440C54EBE for ; Tue, 10 Jan 2023 01:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235332AbjAJBuf (ORCPT ); Mon, 9 Jan 2023 20:50:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34854 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235148AbjAJBue (ORCPT ); Mon, 9 Jan 2023 20:50:34 -0500 Received: from SHSQR01.spreadtrum.com (mx1.unisoc.com [222.66.158.135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43E5810042; Mon, 9 Jan 2023 17:50:31 -0800 (PST) Received: from SHSend.spreadtrum.com (bjmbx02.spreadtrum.com [10.0.64.8]) by SHSQR01.spreadtrum.com with ESMTP id 30A1noT9015334; Tue, 10 Jan 2023 09:49:50 +0800 (+08) (envelope-from Chunyan.Zhang@unisoc.com) Received: from ubt.spreadtrum.com (10.0.74.87) by BJMBX02.spreadtrum.com (10.0.64.8) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 10 Jan 2023 09:49:49 +0800 From: Chunyan Zhang To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski CC: , , Baolin Wang , Orson Zhai , "Chunyan Zhang" , Chunyan Zhang , LKML Subject: [PATCH V4 1/3] dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml Date: Tue, 10 Jan 2023 09:49:41 +0800 Message-ID: <20230110014943.2196046-2-chunyan.zhang@unisoc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> References: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> MIME-Version: 1.0 X-Originating-IP: [10.0.74.87] X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To BJMBX02.spreadtrum.com (10.0.64.8) X-MAIL: SHSQR01.spreadtrum.com 30A1noT9015334 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert the Unisoc gpio controller binding to DT schema format. Signed-off-by: Chunyan Zhang Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/gpio/gpio-sprd.txt | 28 -------- .../devicetree/bindings/gpio/sprd,gpio.yaml | 70 +++++++++++++++++++ 2 files changed, 70 insertions(+), 28 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-sprd.txt create mode 100644 Documentation/devicetree/bindings/gpio/sprd,gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-sprd.txt b/Documentation/devicetree/bindings/gpio/gpio-sprd.txt deleted file mode 100644 index eca97d45388f..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-sprd.txt +++ /dev/null @@ -1,28 +0,0 @@ -Spreadtrum GPIO controller bindings - -The controller's registers are organized as sets of sixteen 16-bit -registers with each set controlling a bank of up to 16 pins. A single -interrupt is shared for all of the banks handled by the controller. - -Required properties: -- compatible: Should be "sprd,sc9860-gpio". -- reg: Define the base and range of the I/O address space containing -the GPIO controller registers. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Should be <2>. The first cell is the gpio number and -the second cell is used to specify optional parameters. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be <2>. Specifies the number of cells needed -to encode interrupt source. -- interrupts: Should be the port interrupt shared by all the gpios. - -Example: - ap_gpio: gpio@40280000 { - compatible = "sprd,sc9860-gpio"; - reg = <0 0x40280000 0 0x1000>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = ; - }; diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml new file mode 100644 index 000000000000..40924123d184 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2022 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/sprd,gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc GPIO controller + +maintainers: + - Orson Zhai + - Baolin Wang + - Chunyan Zhang + +description: | + The controller's registers are organized as sets of sixteen 16-bit + registers with each set controlling a bank of up to 16 pins. A single + interrupt is shared for all of the banks handled by the controller. + +properties: + compatible: + const: sprd,sc9860-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + maxItems: 1 + description: The interrupt shared by all GPIO lines for this controller. + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + ap_gpio: gpio@40280000 { + compatible = "sprd,sc9860-gpio"; + reg = <0 0x40280000 0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; +... From patchwork Tue Jan 10 01:49:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunyan Zhang X-Patchwork-Id: 641110 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96A0DC67871 for ; Tue, 10 Jan 2023 01:50:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235189AbjAJBuh (ORCPT ); Mon, 9 Jan 2023 20:50:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34854 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235141AbjAJBug (ORCPT ); Mon, 9 Jan 2023 20:50:36 -0500 Received: from SHSQR01.spreadtrum.com (mx1.unisoc.com [222.66.158.135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06A08E020; Mon, 9 Jan 2023 17:50:33 -0800 (PST) Received: from SHSend.spreadtrum.com (bjmbx02.spreadtrum.com [10.0.64.8]) by SHSQR01.spreadtrum.com with ESMTP id 30A1ntxo015779; Tue, 10 Jan 2023 09:49:55 +0800 (+08) (envelope-from Chunyan.Zhang@unisoc.com) Received: from ubt.spreadtrum.com (10.0.74.87) by BJMBX02.spreadtrum.com (10.0.64.8) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 10 Jan 2023 09:49:50 +0800 From: Chunyan Zhang To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski CC: , , Baolin Wang , Orson Zhai , "Chunyan Zhang" , Chunyan Zhang , LKML Subject: [PATCH V4 2/3] dt-bindings: gpio: Convert Unisoc EIC controller binding to yaml Date: Tue, 10 Jan 2023 09:49:42 +0800 Message-ID: <20230110014943.2196046-3-chunyan.zhang@unisoc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> References: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> MIME-Version: 1.0 X-Originating-IP: [10.0.74.87] X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To BJMBX02.spreadtrum.com (10.0.64.8) X-MAIL: SHSQR01.spreadtrum.com 30A1ntxo015779 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert the Unisoc EIC controller binding to DT schema format. Update the maxItems of 'reg' property, since the current gpio-eic-sprd driver supports 3 reg items. Also removed a few similar examples. Signed-off-by: Chunyan Zhang Reviewed-by: Rob Herring --- .../bindings/gpio/gpio-eic-sprd.txt | 97 ----------------- .../bindings/gpio/sprd,gpio-eic.yaml | 103 ++++++++++++++++++ 2 files changed, 103 insertions(+), 97 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt create mode 100644 Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt b/Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt deleted file mode 100644 index 54040a2bfe3a..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-eic-sprd.txt +++ /dev/null @@ -1,97 +0,0 @@ -Spreadtrum EIC controller bindings - -The EIC is the abbreviation of external interrupt controller, which can -be used only in input mode. The Spreadtrum platform has 2 EIC controllers, -one is in digital chip, and another one is in PMIC. The digital chip EIC -controller contains 4 sub-modules: EIC-debounce, EIC-latch, EIC-async and -EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub- -module. - -The EIC-debounce sub-module provides up to 8 source input signal -connections. A debounce mechanism is used to capture the input signals' -stable status (millisecond resolution) and a single-trigger mechanism -is introduced into this sub-module to enhance the input event detection -reliability. In addition, this sub-module's clock can be shut off -automatically to reduce power dissipation. Moreover the debounce range -is from 1ms to 4s with a step size of 1ms. The input signal will be -ignored if it is asserted for less than 1 ms. - -The EIC-latch sub-module is used to latch some special power down signals -and generate interrupts, since the EIC-latch does not depend on the APB -clock to capture signals. - -The EIC-async sub-module uses a 32kHz clock to capture the short signals -(microsecond resolution) to generate interrupts by level or edge trigger. - -The EIC-sync is similar with GPIO's input function, which is a synchronized -signal input register. It can generate interrupts by level or edge trigger -when detecting input signals. - -Required properties: -- compatible: Should be one of the following: - "sprd,sc9860-eic-debounce", - "sprd,sc9860-eic-latch", - "sprd,sc9860-eic-async", - "sprd,sc9860-eic-sync", - "sprd,sc2731-eic". -- reg: Define the base and range of the I/O address space containing - the GPIO controller registers. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Should be <2>. The first cell is the gpio number and - the second cell is used to specify optional parameters. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be <2>. Specifies the number of cells needed - to encode interrupt source. -- interrupts: Should be the port interrupt shared by all the gpios. - -Example: - eic_debounce: gpio@40210000 { - compatible = "sprd,sc9860-eic-debounce"; - reg = <0 0x40210000 0 0x80>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = ; - }; - - eic_latch: gpio@40210080 { - compatible = "sprd,sc9860-eic-latch"; - reg = <0 0x40210080 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = ; - }; - - eic_async: gpio@402100a0 { - compatible = "sprd,sc9860-eic-async"; - reg = <0 0x402100a0 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = ; - }; - - eic_sync: gpio@402100c0 { - compatible = "sprd,sc9860-eic-sync"; - reg = <0 0x402100c0 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = ; - }; - - pmic_eic: gpio@300 { - compatible = "sprd,sc2731-eic"; - reg = <0x300>; - interrupt-parent = <&sc2731_pmic>; - interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml new file mode 100644 index 000000000000..a21350bd0f2c --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2022 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/sprd,gpio-eic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc EIC controller + +maintainers: + - Orson Zhai + - Baolin Wang + - Chunyan Zhang + +description: | + The EIC is the abbreviation of external interrupt controller, which can + be used only in input mode. The Spreadtrum platform has 2 EIC controllers, + one is in digital chip, and another one is in PMIC. The digital chip EIC + controller contains 4 sub-modules, i.e. EIC-debounce, EIC-latch, EIC-async and + EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub- + module. + + The EIC-debounce sub-module provides up to 8 source input signal + connections. A debounce mechanism is used to capture the input signals' + stable status (millisecond resolution) and a single-trigger mechanism + is introduced into this sub-module to enhance the input event detection + reliability. In addition, this sub-module's clock can be shut off + automatically to reduce power dissipation. Moreover the debounce range + is from 1ms to 4s with a step size of 1ms. The input signal will be + ignored if it is asserted for less than 1 ms. + + The EIC-latch sub-module is used to latch some special power down signals + and generate interrupts, since the EIC-latch does not depend on the APB + clock to capture signals. + + The EIC-async sub-module uses a 32kHz clock to capture the short signals + (microsecond resolution) to generate interrupts by level or edge trigger. + + The EIC-sync is similar with GPIO's input function, which is a synchronized + signal input register. It can generate interrupts by level or edge trigger + when detecting input signals. + +properties: + compatible: + enum: + - sprd,sc9860-eic-debounce + - sprd,sc9860-eic-latch + - sprd,sc9860-eic-async + - sprd,sc9860-eic-sync + - sprd,sc2731-eic + + reg: + minItems: 1 + maxItems: 3 + description: + EIC controller can support maximum 3 banks which has its own + address base. + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + maxItems: 1 + description: + The interrupt shared by all GPIO lines for this controller. + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + eic_debounce: gpio@40210000 { + compatible = "sprd,sc9860-eic-debounce"; + reg = <0 0x40210000 0 0x80>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; +... From patchwork Tue Jan 10 01:49:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunyan Zhang X-Patchwork-Id: 641493 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31E51C5479D for ; Tue, 10 Jan 2023 01:50:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234887AbjAJBuf (ORCPT ); Mon, 9 Jan 2023 20:50:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235118AbjAJBud (ORCPT ); Mon, 9 Jan 2023 20:50:33 -0500 Received: from SHSQR01.spreadtrum.com (unknown [222.66.158.135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B7B3FD29; Mon, 9 Jan 2023 17:50:31 -0800 (PST) Received: from SHSend.spreadtrum.com (bjmbx02.spreadtrum.com [10.0.64.8]) by SHSQR01.spreadtrum.com with ESMTP id 30A1ntxn015779; Tue, 10 Jan 2023 09:49:55 +0800 (+08) (envelope-from Chunyan.Zhang@unisoc.com) Received: from ubt.spreadtrum.com (10.0.74.87) by BJMBX02.spreadtrum.com (10.0.64.8) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 10 Jan 2023 09:49:51 +0800 From: Chunyan Zhang To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski CC: , , Baolin Wang , Orson Zhai , "Chunyan Zhang" , Chunyan Zhang , LKML Subject: [PATCH V4 3/3] dt-bindings: gpio: Add compatible string for Unisoc UMS512 Date: Tue, 10 Jan 2023 09:49:43 +0800 Message-ID: <20230110014943.2196046-4-chunyan.zhang@unisoc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> References: <20230110014943.2196046-1-chunyan.zhang@unisoc.com> MIME-Version: 1.0 X-Originating-IP: [10.0.74.87] X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To BJMBX02.spreadtrum.com (10.0.64.8) X-MAIL: SHSQR01.spreadtrum.com 30A1ntxn015779 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org UMS512 use the same GPIO and EIC controller with SC9860. Signed-off-by: Chunyan Zhang Reviewed-by: Krzysztof Kozlowski Reviewed-by: Linus Walleij --- .../bindings/gpio/sprd,gpio-eic.yaml | 33 +++++++++++++++---- .../devicetree/bindings/gpio/sprd,gpio.yaml | 7 +++- 2 files changed, 33 insertions(+), 7 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml index a21350bd0f2c..99fcf970773a 100644 --- a/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml +++ b/Documentation/devicetree/bindings/gpio/sprd,gpio-eic.yaml @@ -42,12 +42,33 @@ description: | properties: compatible: - enum: - - sprd,sc9860-eic-debounce - - sprd,sc9860-eic-latch - - sprd,sc9860-eic-async - - sprd,sc9860-eic-sync - - sprd,sc2731-eic + oneOf: + - enum: + - sprd,sc9860-eic-debounce + - sprd,sc9860-eic-latch + - sprd,sc9860-eic-async + - sprd,sc9860-eic-sync + - sprd,sc2731-eic + - items: + - enum: + - sprd,ums512-eic-debounce + - const: sprd,sc9860-eic-debounce + - items: + - enum: + - sprd,ums512-eic-latch + - const: sprd,sc9860-eic-latch + - items: + - enum: + - sprd,ums512-eic-async + - const: sprd,sc9860-eic-async + - items: + - enum: + - sprd,ums512-eic-sync + - const: sprd,sc9860-eic-sync + - items: + - enum: + - sprd,sc2730-eic + - const: sprd,sc2731-eic reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml index 40924123d184..483168838128 100644 --- a/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml @@ -19,7 +19,12 @@ description: | properties: compatible: - const: sprd,sc9860-gpio + oneOf: + - const: sprd,sc9860-gpio + - items: + - enum: + - sprd,ums512-gpio + - const: sprd,sc9860-gpio reg: maxItems: 1