From patchwork Fri Apr 17 17:00:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 11495707 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 30FEE14B4 for ; Fri, 17 Apr 2020 17:00:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 181C320771 for ; Fri, 17 Apr 2020 17:00:48 +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="mFEFRl2q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728081AbgDQRAs (ORCPT ); Fri, 17 Apr 2020 13:00:48 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:52336 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728020AbgDQRAs (ORCPT ); Fri, 17 Apr 2020 13:00:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1587142844; 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:references; bh=+XWufbHqaEuHElib8WJXZRAu9ivj8NXY3GeJi59oju4=; b=mFEFRl2qydI1LhD1MuSaJOZXM50VX8V4NqaJxCSQGiYYZwd0M4unVdAA3ooclsouZEAJyN s8DBMHiJ/5QjIn1y7r7tKEhuIs8zDJrNmd9C9tKZ46u/peVx88h7MstMA7x5Iq/nXkiOP8 y4R4SR5/SWVSFwWFAohQf/Iq2sEh3OI= From: Paul Cercueil To: Ohad Ben-Cohen , Bjorn Andersson , Arnaud Pouliquen Cc: od@zcrc.me, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Cercueil , Rob Herring Subject: [PATCH v6 1/5] dt-bindings: Document JZ47xx VPU auxiliary processor Date: Fri, 17 Apr 2020 19:00:36 +0200 Message-Id: <20200417170040.174319-1-paul@crapouillou.net> MIME-Version: 1.0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from Ingenic is a second Xburst MIPS CPU very similar to the main core. This document describes the devicetree bindings for this auxiliary processor. Signed-off-by: Paul Cercueil Reviewed-by: Rob Herring --- Notes: v2: Update TCSM0 address in example v3: Change node name to 'video-decoder' v4: Convert to YAML. I didn't add Rob's Ack on v3 because of that (sorry Rob) v5: - Fix 'reg' not in pairs - Add missing include to devicetree example v6: No change .../bindings/remoteproc/ingenic,vpu.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml new file mode 100644 index 000000000000..c019f9fbe916 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/ingenic,vpu.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Ingenic Video Processing Unit bindings + +description: + Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from + Ingenic is a second Xburst MIPS CPU very similar to the main core. + This document describes the devicetree bindings for this auxiliary + processor. + +maintainers: + - Paul Cercueil + +properties: + compatible: + const: ingenic,jz4770-vpu-rproc + + reg: + items: + - description: aux registers + - description: tcsm0 registers + - description: tcsm1 registers + - description: sram registers + + reg-names: + items: + - const: aux + - const: tcsm0 + - const: tcsm1 + - const: sram + + clocks: + items: + - description: aux clock + - description: vpu clock + + clock-names: + items: + - const: aux + - const: vpu + + interrupts: + description: VPU hardware interrupt + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include + + vpu: video-decoder@132a0000 { + compatible = "ingenic,jz4770-vpu-rproc"; + + reg = <0x132a0000 0x20>, /* AUX */ + <0x132b0000 0x4000>, /* TCSM0 */ + <0x132c0000 0xc000>, /* TCSM1 */ + <0x132f0000 0x7000>; /* SRAM */ + reg-names = "aux", "tcsm0", "tcsm1", "sram"; + + clocks = <&cgu JZ4770_CLK_AUX>, <&cgu JZ4770_CLK_VPU>; + clock-names = "aux", "vpu"; + + interrupt-parent = <&cpuintc>; + interrupts = <3>; + };