From patchwork Wed Feb 27 17:26:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Pisa X-Patchwork-Id: 1049047 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=cmp.felk.cvut.cz Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 448jVz1jlyz9sBL for ; Thu, 28 Feb 2019 04:35:07 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730236AbfB0Rez (ORCPT ); Wed, 27 Feb 2019 12:34:55 -0500 Received: from smtp8.web4u.cz ([81.91.87.88]:60812 "EHLO mx-8.mail.web4u.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729822AbfB0Rew (ORCPT ); Wed, 27 Feb 2019 12:34:52 -0500 Received: from mx-8.mail.web4u.cz (localhost [127.0.0.1]) by mx-8.mail.web4u.cz (Postfix) with ESMTP id 55AB2200A0D; Wed, 27 Feb 2019 18:28:12 +0100 (CET) Received: from baree.pikron.com (unknown [89.102.8.6]) (Authenticated sender: ppisa@pikron.com) by mx-8.mail.web4u.cz (Postfix) with ESMTPA id 1AFA52009ED; Wed, 27 Feb 2019 18:28:12 +0100 (CET) From: pisa@cmp.felk.cvut.cz To: devicetree@vger.kernel.org, mkl@pengutronix.de, linux-can@vger.kernel.org Cc: wg@grandegger.com, davem@davemloft.net, robh+dt@kernel.org, mark.rutland@arm.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, martin.jerabek01@gmail.com, ondrej.ille@gmail.com, Pavel Pisa Subject: [PATCH v2 1/2] dt-bindings: vendor-prefix: add prefix for Czech Technical University in Prague. Date: Wed, 27 Feb 2019 18:26:28 +0100 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: X-W4U-Auth: c2ae46db2a1f73b229efa86bf5a8cf686d3dedf2 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Pavel Pisa Signed-off-by: Pavel Pisa Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 389508584f48..07de8df03c57 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -86,6 +86,7 @@ crane Crane Connectivity Solutions creative Creative Technology Ltd crystalfontz Crystalfontz America, Inc. csky Hangzhou C-SKY Microsystems Co., Ltd +ctu Czech Technical University in Prague cubietech Cubietech, Ltd. cypress Cypress Semiconductor Corporation cznic CZ.NIC, z.s.p.o. From patchwork Wed Feb 27 17:26:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Pisa X-Patchwork-Id: 1049046 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=cmp.felk.cvut.cz Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 448jVw6RGrz9sBR for ; Thu, 28 Feb 2019 04:35:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730256AbfB0Rez (ORCPT ); Wed, 27 Feb 2019 12:34:55 -0500 Received: from smtp8.web4u.cz ([81.91.87.88]:60809 "EHLO mx-8.mail.web4u.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727636AbfB0Rew (ORCPT ); Wed, 27 Feb 2019 12:34:52 -0500 X-Greylist: delayed 415 seconds by postgrey-1.27 at vger.kernel.org; Wed, 27 Feb 2019 12:34:50 EST Received: from mx-8.mail.web4u.cz (localhost [127.0.0.1]) by mx-8.mail.web4u.cz (Postfix) with ESMTP id D3E63200A11; Wed, 27 Feb 2019 18:28:21 +0100 (CET) Received: from baree.pikron.com (unknown [89.102.8.6]) (Authenticated sender: ppisa@pikron.com) by mx-8.mail.web4u.cz (Postfix) with ESMTPA id 895022009ED; Wed, 27 Feb 2019 18:28:21 +0100 (CET) From: pisa@cmp.felk.cvut.cz To: devicetree@vger.kernel.org, mkl@pengutronix.de, linux-can@vger.kernel.org Cc: wg@grandegger.com, davem@davemloft.net, robh+dt@kernel.org, mark.rutland@arm.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, martin.jerabek01@gmail.com, ondrej.ille@gmail.com, Pavel Pisa Subject: [PATCH v2 2/2] dt-bindings: net: can: binding for CTU CAN FD open-source IP core. Date: Wed, 27 Feb 2019 18:26:29 +0100 Message-Id: <2b529d1574916b50e7647281af87df33442b7549.1551287365.git.pisa@cmp.felk.cvut.cz> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: X-W4U-Auth: 3e517bd4b824ea18c93c24dd8ab580d48cb0aa53 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Pavel Pisa Signed-off-by: Pavel Pisa --- .../devicetree/bindings/net/can/ctu,ctucanfd.txt | 108 +++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/ctu,ctucanfd.txt diff --git a/Documentation/devicetree/bindings/net/can/ctu,ctucanfd.txt b/Documentation/devicetree/bindings/net/can/ctu,ctucanfd.txt new file mode 100644 index 000000000000..fea9c08b79ec --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/ctu,ctucanfd.txt @@ -0,0 +1,108 @@ +Memory mapped CTU CAN FD open-source IP core + +The core sources and documentation on project page + + https://gitlab.fel.cvut.cz/canbus/ctucanfd_ip_core + http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/Progdokum.pdf + +Integration in Xilinx Zynq SoC based system together with +OpenCores SJA1000 compatible controllers + + https://gitlab.fel.cvut.cz/canbus/zynq/zynq-can-sja1000-top + +Martin Jerabek's dimploma thesis with integration and testing +framework description + + https://dspace.cvut.cz/bitstream/handle/10467/80366/F3-DP-2019-Jerabek-Martin-Jerabek-thesis-2019-canfd.pdf + +Required properties: + +- compatible : should be one of "ctu,ctucanfd", "ctu,canfd-2". + The "canfd-2" has been reserved for older revision of the IP core. + The revision can be read from the IP core register as well. + +- reg = <(baseaddr) (size)> : specify mapping into physical address + space of the processor system. + +- interrupts : property with a value describing the interrupt source + required for the CTU CAN FD. For Zynq SoC system format is + <(is_spi) (number) (type)> where is_spi defines if it is SPI + (shared peripheral) interrupt, the second number is translated + to the vector by addition of 32 on Zynq-7000 systems and type + is IRQ_TYPE_LEVEL_HIGH (4) for Zynq. + +- interrupt-parent = <&interrupt-controller-phandle> : + is required for Zynq SoC to find map interrupt + to the correct controller + +- clocks: phandle of reference clock (100 MHz is appropriate + for FPGA implementation on Zynq-7000 system). + +Optional properties: + +- clock-names: not used in actual design but if more clocks are used + by cores then "can_clk" would be clock source name for the clocks + used to define CAN time-quanta. + +Example when integrated to Zynq-7000 system DTS: + + / { + /* ... */ + amba: amba { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + + ctu_can_fd_0: ctu_can_fd@43c30000 { + compatible = "ctu,ctucanfd"; + interrupt-parent = <&intc>; + interrupts = <0 30 4>; + clocks = <&clkc 15>; + reg = <0x43c30000 0x10000>; + }; + }; + }; + + +Example when used as DTS overlay on Zynq-7000 system: + + +// Device Tree Example: Full Reconfiguration without Bridges +/dts-v1/; +/plugin/; + +/ { + fragment@0 { + target-path = "/fpga-full"; + + __overlay__ { + #address-cells = <1>; + #size-cells = <1>; + + firmware-name = "system.bit.bin"; + }; + }; + + fragment@1 { + target-path = "/amba"; + __overlay__ { + #address-cells = <1>; + #size-cells = <1>; + + ctu_can_fd_0: ctu_can_fd@43c30000 { + compatible = "ctu,ctucanfd"; + interrupt-parent = <&intc>; + interrupts = <0 30 4>; + clocks = <&clkc 15>; + reg = <0x43c30000 0x10000>; + }; + ctu_can_fd_1: ctu_can_fd@43c70000 { + compatible = "ctu,ctucanfd"; + interrupt-parent = <&intc>; + interrupts = <0 31 4>; + clocks = <&clkc 15>; + reg = <0x43c70000 0x10000>; + }; + }; + }; +};