From patchwork Sun Apr 26 18:58:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 11510949 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C06FE19A2 for ; Sun, 26 Apr 2020 18:59:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A41402071C for ; Sun, 26 Apr 2020 18:59:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="cbFA/vev" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726404AbgDZS7d (ORCPT ); Sun, 26 Apr 2020 14:59:33 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:58970 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726004AbgDZS7d (ORCPT ); Sun, 26 Apr 2020 14:59:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1587927548; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vvwbxhO24Vvd0/eSeXNptqa2IAYj59oLL7W7lFaPOCE=; b=cbFA/veva5UdC+PkNmLpeeLGY8R9Im+824fYqmiCZ9bnB0pU8Mzpqfbr7X+c7qu9YZ46JR /tRct0tQjB7mhktkCMg5Mg8NT23GKRph6rhrw2ncyQTku1M6I19tiBeFNUF/Qm56MeHQqJ nbfmPzS/BEKQWlh0atUE9LSvYLeAt2A= From: Paul Cercueil To: Rob Herring Cc: od@zcrc.me, =?utf-8?b?5ZGo55Cw5p2w?= , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-mtd@lists.infradead.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-mips@vger.kernel.org, Paul Cercueil Subject: [PATCH 4/8] dt-bindings: memory: Convert ingenic,jz4780-nemc.txt to YAML Date: Sun, 26 Apr 2020 20:58:52 +0200 Message-Id: <20200426185856.38826-4-paul@crapouillou.net> In-Reply-To: <20200426185856.38826-1-paul@crapouillou.net> References: <20200426185856.38826-1-paul@crapouillou.net> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Convert the ingenic,jz4780-nemc.txt doc file to ingenic,nemc.yaml. The ingenic,jz4725b-nemc compatible string was added in the process, with a fallback to ingenic,jz4740-nemc. Signed-off-by: Paul Cercueil --- .../ingenic,jz4780-nemc.txt | 76 --------------- .../ingenic,nemc-client.yaml | 45 +++++++++ .../memory-controllers/ingenic,nemc.yaml | 95 +++++++++++++++++++ 3 files changed, 140 insertions(+), 76 deletions(-) delete mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml create mode 100644 Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt b/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt deleted file mode 100644 index 59b8dcc118ee..000000000000 --- a/Documentation/devicetree/bindings/memory-controllers/ingenic,jz4780-nemc.txt +++ /dev/null @@ -1,76 +0,0 @@ -* Ingenic JZ4780 NAND/external memory controller (NEMC) - -This file documents the device tree bindings for the NEMC external memory -controller in Ingenic JZ4780 - -Required properties: -- compatible: Should be set to one of: - "ingenic,jz4740-nemc" (JZ4740) - "ingenic,jz4780-nemc" (JZ4780) -- reg: Should specify the NEMC controller registers location and length. -- clocks: Clock for the NEMC controller. -- #address-cells: Must be set to 2. -- #size-cells: Must be set to 1. -- ranges: A set of ranges for each bank describing the physical memory layout. - Each should specify the following 4 integer values: - - 0 - -Each child of the NEMC node describes a device connected to the NEMC. - -Required child node properties: -- reg: Should contain at least one register specifier, given in the following - format: - - - - Multiple registers can be specified across multiple banks. This is needed, - for example, for packaged NAND devices with multiple dies. Such devices - should be grouped into a single node. - -Optional child node properties: -- ingenic,nemc-bus-width: Specifies the bus width in bits. Defaults to 8 bits. -- ingenic,nemc-tAS: Address setup time in nanoseconds. -- ingenic,nemc-tAH: Address hold time in nanoseconds. -- ingenic,nemc-tBP: Burst pitch time in nanoseconds. -- ingenic,nemc-tAW: Access wait time in nanoseconds. -- ingenic,nemc-tSTRV: Static memory recovery time in nanoseconds. - -If a child node references multiple banks in its "reg" property, the same value -for all optional parameters will be configured for all banks. If any optional -parameters are omitted, they will be left unchanged from whatever they are -configured to when the NEMC device is probed (which may be the reset value as -given in the hardware reference manual, or a value configured by the boot -loader). - -Example (NEMC node with a NAND child device attached at CS1): - -nemc: nemc@13410000 { - compatible = "ingenic,jz4780-nemc"; - reg = <0x13410000 0x10000>; - - #address-cells = <2>; - #size-cells = <1>; - - ranges = <1 0 0x1b000000 0x1000000 - 2 0 0x1a000000 0x1000000 - 3 0 0x19000000 0x1000000 - 4 0 0x18000000 0x1000000 - 5 0 0x17000000 0x1000000 - 6 0 0x16000000 0x1000000>; - - clocks = <&cgu JZ4780_CLK_NEMC>; - - nand: nand@1 { - compatible = "ingenic,jz4780-nand"; - reg = <1 0 0x1000000>; - - ingenic,nemc-tAS = <10>; - ingenic,nemc-tAH = <5>; - ingenic,nemc-tBP = <10>; - ingenic,nemc-tAW = <15>; - ingenic,nemc-tSTRV = <100>; - - ... - }; -}; diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml new file mode 100644 index 000000000000..682e6f7e74fa --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc-client.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc-client.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: + Ingenic SoCs NAND / External Memory Controller (NEMC) + client-specific properties + +maintainers: + - Paul Cercueil + +description: + This document lists the various properties that child nodes of the NEMC node + can use. + +properties: + ingenic,nemc-bus-width: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [8, 16] + description: Specifies the bus width in bits. + + ingenic,nemc-tAS: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address setup time in nanoseconds. + + ingenic,nemc-tAH: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address hold time in nanoseconds. + + ingenic,nemc-tBP: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Burst pitch time in nanoseconds. + + ingenic,nemc-tAW: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Address wait time in nanoseconds. + + ingenic,nemc-tSTRV: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Static memory recovery time in nanoseconds. + +... diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml new file mode 100644 index 000000000000..c7fd28462fd8 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs NAND / External Memory Controller (NEMC) devicetree bindings + +maintainers: + - Paul Cercueil + +properties: + $nodename: + pattern: "^memory-controller@[0-9a-f]+$" + + compatible: + oneOf: + - enum: + - ingenic,jz4740-nemc + - ingenic,jz4780-nemc + - items: + - const: ingenic,jz4725b-nemc + - const: ingenic,jz4740-nemc + + "#address-cells": + const: 2 + + "#size-cells": + const: 1 + + ranges: true + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +patternProperties: + "^(nand-controller|ethernet)@[0-9]+$": + type: object + allOf: + - $ref: ingenic,nemc-client.yaml# + +required: + - compatible + - "#address-cells" + - "#size-cells" + - ranges + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + nemc: memory-controller@13410000 { + compatible = "ingenic,jz4780-nemc"; + reg = <0x13410000 0x10000>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0x1b000000 0x1000000>, + <2 0 0x1a000000 0x1000000>, + <3 0 0x19000000 0x1000000>, + <4 0 0x18000000 0x1000000>, + <5 0 0x17000000 0x1000000>, + <6 0 0x16000000 0x1000000>; + + clocks = <&cgu JZ4780_CLK_NEMC>; + + ethernet@6 { + compatible = "davicom,dm9000"; + davicom,no-eeprom; + + pinctrl-names = "default"; + pinctrl-0 = <&pins_nemc_cs6>; + + reg = <6 0 1>, /* addr */ + <6 2 1>; /* data */ + + ingenic,nemc-tAS = <15>; + ingenic,nemc-tAH = <10>; + ingenic,nemc-tBP = <20>; + ingenic,nemc-tAW = <50>; + ingenic,nemc-tSTRV = <100>; + + reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>; + vcc-supply = <ð0_power>; + + interrupt-parent = <&gpe>; + interrupts = <19 4>; + }; + };