From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752606AbeCWM1S (ORCPT ); Fri, 23 Mar 2018 08:27:18 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:51805 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751966AbeCWM1P (ORCPT ); Fri, 23 Mar 2018 08:27:15 -0400 X-Google-Smtp-Source: AG47ELuzJaz08jHqarZ7PVuWLZDzxtElGW/Ysv39lkbfCizPNPpvcnWUtqgRkIRiUPg0v5dksBG7Nw== From: Paolo Pisati To: Alan Tull , Moritz Fischer , Rob Herring , Mark Rutland Cc: linux-fpga@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2 v8] Lattice MachXO2 Slave SPI FPGA Manager support Date: Fri, 23 Mar 2018 13:27:10 +0100 Message-Id: <1521808032-29645-1-git-send-email-p.pisati@gmail.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, this series adds support for the Lattice MachXO2 FPGA chip, programmed over Slave SPI. Tested on a raspberry pi3, beaglebone black (little endian mode) and imx6 hummingboard (big endian mode) + bugblat's pif2 fpga hat (machxo2 7000HC) or tinyfpga A1/A2 (machxo2 256HC / 1200HC), in SPI slave mode with varying bus speed. Changes since v7: * misc style fixes, among which: * static const u8 cmd[] * #ifdef DEBUG ... #endif reorder * introduction of get_err_string() * direct returns to reduce line count * indentation Paolo Pisati (2): dt: bindings: fpga: add lattice machxo2 slave spi binding description fpga: lattice machxo2: Add Lattice MachXO2 support .../bindings/fpga/lattice-machxo2-spi.txt | 29 ++ drivers/fpga/Kconfig | 8 + drivers/fpga/Makefile | 1 + drivers/fpga/machxo2-spi.c | 388 +++++++++++++++++++++ 4 files changed, 426 insertions(+) create mode 100644 Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt create mode 100644 drivers/fpga/machxo2-spi.c -- 2.7.4