From patchwork Fri Jul 22 17:23:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 592554 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 9FF13CCA473 for ; Fri, 22 Jul 2022 17:23:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236132AbiGVRW6 (ORCPT ); Fri, 22 Jul 2022 13:22:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236122AbiGVRWz (ORCPT ); Fri, 22 Jul 2022 13:22:55 -0400 Received: from mx0b-002e3701.pphosted.com (mx0b-002e3701.pphosted.com [148.163.143.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18F3774CCF; Fri, 22 Jul 2022 10:22:53 -0700 (PDT) Received: from pps.filterd (m0134423.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26MGg5wS021710; Fri, 22 Jul 2022 17:22:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=pps0720; bh=jF7/vTTmkItSN3xXerCeQvhOwODFW5h5eloGegsOy8U=; b=Lhn1GG8TQ/Kyc6jkZ30R4l6k6zH7L3jP+XGWTS7xRrrzJa1NHSwo4VxoJ3YjAWtYxyTH LaO0wTOPfgjvWjYQmohu4poYAKugHdlWxBf7IMCxzr2O3WyEr8NlGU4p9j77d6KXbdIU M8FWRKLzde7+9xTYINru8vz769WyAiIVPIvZ2W8aoqvAtcadFSzqdMMlOGA1Y61hpOeR 3T65czkNPz6zisZBciXi+fM8LqkvxL9tOsY13e+Dsvr1L+2uuYKil91MAqPqm7nwyQ/Q Pw0lwqO2281KoQb6t8GAMrwNKEVNqp1WUKoNBYyG945hERcJKtL7JxesLlLp7a8rVgqr Ng== Received: from p1lg14881.it.hpe.com (p1lg14881.it.hpe.com [16.230.97.202]) by mx0b-002e3701.pphosted.com (PPS) with ESMTPS id 3hfsy3b6v1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Jul 2022 17:22:27 +0000 Received: from p1lg14886.dc01.its.hpecorp.net (unknown [10.119.18.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14881.it.hpe.com (Postfix) with ESMTPS id 2380B804C82; Fri, 22 Jul 2022 17:22:25 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 59358802B8E; Fri, 22 Jul 2022 17:22:25 +0000 (UTC) From: nick.hawkins@hpe.com To: nick.hawkins@hpe.com Cc: broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, linux@armlinux.org.uk, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arnd@arndb.de, joel@jms.id.au Subject: [PATCH v2 1/5] spi: spi-gxp: Add support for HPE GXP SoCs Date: Fri, 22 Jul 2022 12:23:31 -0500 Message-Id: <20220722172335.33404-2-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220722172335.33404-1-nick.hawkins@hpe.com> References: <20220722172335.33404-1-nick.hawkins@hpe.com> X-Proofpoint-GUID: pfbIb8_UFQ77WJfGCCqEfcmesp0XmK_P X-Proofpoint-ORIG-GUID: pfbIb8_UFQ77WJfGCCqEfcmesp0XmK_P X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_06,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 mlxscore=0 bulkscore=0 adultscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220073 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins The GXP supports 3 separate SPI interfaces to accommodate the system flash, core flash, and other functions. The SPI engine supports variable clock frequency, selectable 3-byte or 4-byte addressing and a configurable x1, x2, and x4 command/address/data modes. The memory buffer for reading and writing ranges between 256 bytes and 8KB. This driver supports access to the core flash and bios part. Signed-off-by: Nick Hawkins --- v2: *Removed repeated include file *Removed unnecessary initialization of ret variable *Removed conditional variable checks where failure is impossible *Removed unecessary variable cs and instead used in the initialization *Removed blank gxp_spifi_remove function *Fixed error messages so they are not repetitive --- drivers/spi/Kconfig | 7 + drivers/spi/Makefile | 1 + drivers/spi/spi-gxp.c | 325 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 333 insertions(+) create mode 100644 drivers/spi/spi-gxp.c diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 3b1044ebc400..543e4a5b5ffa 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -371,6 +371,13 @@ config SPI_FSL_QUADSPI This controller does not support generic SPI messages. It only supports the high-level SPI memory interface. +config SPI_GXP + tristate "GXP SPI driver" + depends on ARCH_HPE || COMPILE_TEST + help + This enables support for the driver for GXP bus attached SPI + controllers. + config SPI_HISI_KUNPENG tristate "HiSilicon SPI Controller for Kunpeng SoCs" depends on (ARM64 && ACPI) || COMPILE_TEST diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 0f44eb6083a5..ca5f204017ee 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -57,6 +57,7 @@ obj-$(CONFIG_SPI_FSL_LPSPI) += spi-fsl-lpspi.o obj-$(CONFIG_SPI_FSL_QUADSPI) += spi-fsl-qspi.o obj-$(CONFIG_SPI_FSL_SPI) += spi-fsl-spi.o obj-$(CONFIG_SPI_GPIO) += spi-gpio.o +obj-$(CONFIG_SPI_GXP) += spi-gxp.o obj-$(CONFIG_SPI_HISI_KUNPENG) += spi-hisi-kunpeng.o obj-$(CONFIG_SPI_HISI_SFC_V3XX) += spi-hisi-sfc-v3xx.o obj-$(CONFIG_SPI_IMG_SPFI) += spi-img-spfi.o diff --git a/drivers/spi/spi-gxp.c b/drivers/spi/spi-gxp.c new file mode 100644 index 000000000000..9ea355f7d64f --- /dev/null +++ b/drivers/spi/spi-gxp.c @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: GPL-2.0=or-later +/* Copyright (C) 2022 Hewlett-Packard Development Company, L.P. */ + +#include +#include +#include +#include +#include +#include + +#define GXP_SPI0_MAX_CHIPSELECT 2 +#define GXP_SPI_SLEEP_TIME 1 +#define GXP_SPI_TIMEOUT (130 * 1000000 / GXP_SPI_SLEEP_TIME) + +#define MANUAL_MODE 0 +#define DIRECT_MODE 1 +#define SPILDAT_LEN 256 + +#define OFFSET_SPIMCFG 0x0 +#define OFFSET_SPIMCTRL 0x4 +#define OFFSET_SPICMD 0x5 +#define OFFSET_SPIDCNT 0x6 +#define OFFSET_SPIADDR 0x8 +#define OFFSET_SPIINTSTS 0xc + +#define SPIMCTRL_START 0x01 +#define SPIMCTRL_BUSY 0x02 +#define SPIMCTRL_DIR 0x08 + +struct gxp_spi; + +struct gxp_spi_chip { + struct gxp_spi *spifi; + u32 cs; +}; + +struct gxp_spi_data { + u32 max_cs; + u32 mode_bits; +}; + +struct gxp_spi { + const struct gxp_spi_data *data; + void __iomem *reg_base; + void __iomem *dat_base; + void __iomem *dir_base; + struct device *dev; + struct gxp_spi_chip chips[GXP_SPI0_MAX_CHIPSELECT]; +}; + +static void gxp_spi_set_mode(struct gxp_spi *spifi, int mode) +{ + u8 value; + void __iomem *reg_base = spifi->reg_base; + + value = readb(reg_base + OFFSET_SPIMCTRL); + + if (mode == MANUAL_MODE) { + writeb(0x55, reg_base + OFFSET_SPICMD); + writeb(0xaa, reg_base + OFFSET_SPICMD); + value &= ~0x30; + } else { + value |= 0x30; + } + writeb(value, reg_base + OFFSET_SPIMCTRL); +} + +static int gxp_spi_read_reg(struct gxp_spi_chip *chip, const struct spi_mem_op *op) +{ + int ret; + struct gxp_spi *spifi = chip->spifi; + void __iomem *reg_base = spifi->reg_base; + u32 value; + + value = readl(reg_base + OFFSET_SPIMCFG); + value &= ~(1 << 24); + value |= (chip->cs << 24); + value &= ~(0x07 << 16); + value &= ~(0x1f << 19); + writel(value, reg_base + OFFSET_SPIMCFG); + + writel(0, reg_base + OFFSET_SPIADDR); + + writeb(op->cmd.opcode, reg_base + OFFSET_SPICMD); + + writew(op->data.nbytes, reg_base + OFFSET_SPIDCNT); + + value = readb(reg_base + OFFSET_SPIMCTRL); + value &= ~SPIMCTRL_DIR; + value |= SPIMCTRL_START; + + writeb(value, reg_base + OFFSET_SPIMCTRL); + + ret = readb_poll_timeout(reg_base + OFFSET_SPIMCTRL, value, + !(value & SPIMCTRL_BUSY), + GXP_SPI_SLEEP_TIME, GXP_SPI_TIMEOUT); + if (ret) { + dev_warn(spifi->dev, "read reg busy time out\n"); + return ret; + } + + memcpy_fromio(op->data.buf.in, spifi->dat_base, op->data.nbytes); + return ret; +} + +static int gxp_spi_write_reg(struct gxp_spi_chip *chip, const struct spi_mem_op *op) +{ + int ret; + struct gxp_spi *spifi = chip->spifi; + void __iomem *reg_base = spifi->reg_base; + u32 value; + + value = readl(reg_base + OFFSET_SPIMCFG); + value &= ~(1 << 24); + value |= (chip->cs << 24); + value &= ~(0x07 << 16); + value &= ~(0x1f << 19); + writel(value, reg_base + OFFSET_SPIMCFG); + + writel(0, reg_base + OFFSET_SPIADDR); + + writeb(op->cmd.opcode, reg_base + OFFSET_SPICMD); + + memcpy_toio(spifi->dat_base, op->data.buf.in, op->data.nbytes); + + writew(op->data.nbytes, reg_base + OFFSET_SPIDCNT); + + value = readb(reg_base + OFFSET_SPIMCTRL); + value |= SPIMCTRL_DIR; + value |= SPIMCTRL_START; + + writeb(value, reg_base + OFFSET_SPIMCTRL); + + ret = readb_poll_timeout(reg_base + OFFSET_SPIMCTRL, value, + !(value & SPIMCTRL_BUSY), + GXP_SPI_SLEEP_TIME, GXP_SPI_TIMEOUT); + if (ret) + dev_warn(spifi->dev, "write reg busy time out\n"); + + return ret; +} + +static ssize_t gxp_spi_read(struct gxp_spi_chip *chip, const struct spi_mem_op *op) +{ + struct gxp_spi *spifi = chip->spifi; + u32 offset = op->addr.val; + + if (chip->cs == 0) + offset += 0x4000000; + + memcpy_fromio(op->data.buf.in, spifi->dir_base + offset, op->data.nbytes); + + return 0; +} + +static ssize_t gxp_spi_write(struct gxp_spi_chip *chip, const struct spi_mem_op *op) +{ + struct gxp_spi *spifi = chip->spifi; + void __iomem *reg_base = spifi->reg_base; + u32 write_len; + u32 value; + int ret; + + write_len = op->data.nbytes; + if (write_len > SPILDAT_LEN) + write_len = SPILDAT_LEN; + + value = readl(reg_base + OFFSET_SPIMCFG); + value &= ~(1 << 24); + value |= (chip->cs << 24); + value &= ~(0x07 << 16); + value |= (op->addr.nbytes << 16); + value &= ~(0x1f << 19); + writel(value, reg_base + OFFSET_SPIMCFG); + + writel(op->addr.val, reg_base + OFFSET_SPIADDR); + + writeb(op->cmd.opcode, reg_base + OFFSET_SPICMD); + + writew(write_len, reg_base + OFFSET_SPIDCNT); + + memcpy_toio(spifi->dat_base, op->data.buf.in, write_len); + + value = readb(reg_base + OFFSET_SPIMCTRL); + value |= SPIMCTRL_DIR; + value |= SPIMCTRL_START; + + writeb(value, reg_base + OFFSET_SPIMCTRL); + + ret = readb_poll_timeout(reg_base + OFFSET_SPIMCTRL, value, + !(value & SPIMCTRL_BUSY), + GXP_SPI_SLEEP_TIME, GXP_SPI_TIMEOUT); + if (ret) { + dev_warn(spifi->dev, "write busy time out\n"); + return ret; + } + + return write_len; +} + +static int do_gxp_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) +{ + struct gxp_spi *spifi = spi_controller_get_devdata(mem->spi->master); + struct gxp_spi_chip *chip = &spifi->chips[mem->spi->chip_select]; + int ret; + + if (op->data.dir == SPI_MEM_DATA_IN) { + if (!op->addr.nbytes) + ret = gxp_spi_read_reg(chip, op); + else + ret = gxp_spi_read(chip, op); + } else { + if (!op->addr.nbytes) + ret = gxp_spi_write_reg(chip, op); + else + ret = gxp_spi_write(chip, op); + } + + return ret; +} + +static int gxp_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) +{ + int ret; + + ret = do_gxp_exec_mem_op(mem, op); + if (ret) + dev_err(&mem->spi->dev, "operation failed: %d", ret); + + return ret; +} + +static const struct spi_controller_mem_ops gxp_spi_mem_ops = { + .exec_op = gxp_exec_mem_op, +}; + +static int gxp_spi_setup(struct spi_device *spi) +{ + struct gxp_spi *spifi = spi_controller_get_devdata(spi->master); + unsigned int cs = spi->chip_select; + struct gxp_spi_chip *chip = &spifi->chips[cs]; + + chip->spifi = spifi; + chip->cs = cs; + + gxp_spi_set_mode(spifi, MANUAL_MODE); + + return 0; +} + +static int gxp_spifi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct gxp_spi_data *data; + struct spi_controller *ctlr; + struct gxp_spi *spifi; + struct resource *res; + int ret; + + data = of_device_get_match_data(&pdev->dev); + + ctlr = devm_spi_alloc_master(dev, sizeof(*spifi)); + if (!ctlr) + return -ENOMEM; + + spifi = spi_controller_get_devdata(ctlr); + + platform_set_drvdata(pdev, spifi); + spifi->data = data; + spifi->dev = dev; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + spifi->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(spifi->reg_base)) + return PTR_ERR(spifi->reg_base); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + spifi->dat_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(spifi->dat_base)) + return PTR_ERR(spifi->dat_base); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 2); + spifi->dir_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(spifi->dir_base)) + return PTR_ERR(spifi->dir_base); + + ctlr->mode_bits = data->mode_bits; + ctlr->bus_num = pdev->id; + ctlr->mem_ops = &gxp_spi_mem_ops; + ctlr->setup = gxp_spi_setup; + ctlr->num_chipselect = data->max_cs; + ctlr->dev.of_node = dev->of_node; + + ret = devm_spi_register_controller(dev, ctlr); + if (ret) { + return dev_err_probe(&pdev->dev, ret, + "failed to register spi controller\n"); + } + + return 0; +} + +static const struct gxp_spi_data gxp_spifi_data = { + .max_cs = 2, + .mode_bits = 0, +}; + +static const struct of_device_id gxp_spifi_match[] = { + {.compatible = "hpe,gxp-spifi", .data = &gxp_spifi_data }, + { /* null */ } +}; +MODULE_DEVICE_TABLE(of, gxp_spifi_match); + +static struct platform_driver gxp_spifi_driver = { + .probe = gxp_spifi_probe, + .driver = { + .name = "gxp-spifi", + .of_match_table = gxp_spifi_match, + }, +}; +module_platform_driver(gxp_spifi_driver); + +MODULE_DESCRIPTION("HPE GXP SPI Flash Interface driver"); +MODULE_AUTHOR("Nick Hawkins "); +MODULE_LICENSE("GPL"); From patchwork Fri Jul 22 17:23:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 592555 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 BDD4CC433EF for ; Fri, 22 Jul 2022 17:22:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236131AbiGVRW4 (ORCPT ); Fri, 22 Jul 2022 13:22:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236104AbiGVRWy (ORCPT ); Fri, 22 Jul 2022 13:22:54 -0400 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 00DEC6716D; 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Fri, 22 Jul 2022 17:22:26 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id E0CDA807916; Fri, 22 Jul 2022 17:22:25 +0000 (UTC) From: nick.hawkins@hpe.com To: nick.hawkins@hpe.com Cc: broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, linux@armlinux.org.uk, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arnd@arndb.de, joel@jms.id.au Subject: [PATCH v2 2/5] spi: dt-bindings: add documentation for hpe,gxp-spifi Date: Fri, 22 Jul 2022 12:23:32 -0500 Message-Id: <20220722172335.33404-3-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220722172335.33404-1-nick.hawkins@hpe.com> References: <20220722172335.33404-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: xB59F_W_Xq6Uk7y1dvlV-1usbQfk1XXX X-Proofpoint-GUID: xB59F_W_Xq6Uk7y1dvlV-1usbQfk1XXX X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_06,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 mlxlogscore=749 lowpriorityscore=0 clxscore=1015 impostorscore=0 suspectscore=0 malwarescore=0 phishscore=0 spamscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220073 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins Create documentation for the hpe,gxp-spifi binding to support access to the SPI parts Signed-off-by: Nick Hawkins --- v2: *Removed extra space around < > for reg *Changed interrupt-parrent to interrupt-parent --- .../bindings/spi/hpe,gxp-spifi.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml diff --git a/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml b/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml new file mode 100644 index 000000000000..346b494ef59b --- /dev/null +++ b/Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/hpe,gxp-spifi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP spi controller flash interface + +maintainers: + - Nick Hawkins + - Jean-Marie Verdun + +allOf: + - $ref: "spi-controller.yaml#" + +properties: + compatible: + const: hpe,gxp-spifi + + reg: + items: + - description: cfg registers + - description: data registers + - description: mapped memory + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + + spi@200 { + compatible = "hpe,gxp-spifi"; + reg = <0x200 0x80>, <0xc000 0x100>, <0x38000000 0x800000>; + interrupts = <20>; + interrupt-parent = <&vic0>; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + reg = <0>; + compatible = "jedec,spi-nor"; + }; + + flash@1 { + reg = <1>; + compatible = "jedec,spi-nor"; + }; + }; From patchwork Fri Jul 22 17:23:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 592970 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 D0EBACCA473 for ; Fri, 22 Jul 2022 17:22:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236110AbiGVRWy (ORCPT ); Fri, 22 Jul 2022 13:22:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236102AbiGVRWy (ORCPT ); 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Fri, 22 Jul 2022 17:22:27 +0000 Received: from p1lg14886.dc01.its.hpecorp.net (unknown [10.119.18.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14878.it.hpe.com (Postfix) with ESMTPS id 00EF8147A0; Fri, 22 Jul 2022 17:22:26 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 7502C802B8E; Fri, 22 Jul 2022 17:22:26 +0000 (UTC) From: nick.hawkins@hpe.com To: nick.hawkins@hpe.com Cc: broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, linux@armlinux.org.uk, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arnd@arndb.de, joel@jms.id.au Subject: [PATCH v2 3/5] ARM: dts: hpe: Add spi driver node Date: Fri, 22 Jul 2022 12:23:33 -0500 Message-Id: <20220722172335.33404-4-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220722172335.33404-1-nick.hawkins@hpe.com> References: <20220722172335.33404-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: Ve6y4LliJKctwdbhMNO7CEdd3ePk4-kx X-Proofpoint-GUID: Ve6y4LliJKctwdbhMNO7CEdd3ePk4-kx X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_06,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 clxscore=1015 mlxscore=0 mlxlogscore=453 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220073 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins Add support for the SPI flash interface on the GXP SoC. Signed-off-by: Nick Hawkins --- v2: *No change --- arch/arm/boot/dts/hpe-bmc-dl360gen10.dts | 58 ++++++++++++++++++++++++ arch/arm/boot/dts/hpe-gxp.dtsi | 21 ++++++++- 2 files changed, 78 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts index 3a7382ce40ef..d49dcef95c5c 100644 --- a/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts +++ b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts @@ -24,3 +24,61 @@ reg = <0x40000000 0x20000000>; }; }; + +&spifi { + status = "okay"; + flash@0 { + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + u-boot@0 { + label = "u-boot"; + reg = <0x0 0x60000>; + }; + + u-boot-env@60000 { + label = "u-boot-env"; + reg = <0x60000 0x20000>; + }; + + kernel@80000 { + label = "kernel"; + reg = <0x80000 0x4c0000>; + }; + + rofs@540000 { + label = "rofs"; + reg = <0x540000 0x1740000>; + }; + + rwfs@1c80000 { + label = "rwfs"; + reg = <0x1c80000 0x250000>; + }; + + section@1ed0000{ + label = "section"; + reg = <0x1ed0000 0x130000>; + }; + }; + }; + flash@1 { + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + host-prime@0 { + label = "host-prime"; + reg = <0x0 0x02000000>; + }; + + host-second@2000000 { + label = "host-second"; + reg = <0x02000000 0x02000000>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/hpe-gxp.dtsi b/arch/arm/boot/dts/hpe-gxp.dtsi index cf735b3c4f35..f28349bdeee1 100644 --- a/arch/arm/boot/dts/hpe-gxp.dtsi +++ b/arch/arm/boot/dts/hpe-gxp.dtsi @@ -56,9 +56,28 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges = <0x0 0xc0000000 0x30000000>; + ranges = <0x0 0xc0000000 0x40000000>; dma-ranges; + spifi: spi@200 { + compatible = "hpe,gxp-spifi"; + reg = <0x200 0x80>, <0xc000 0x100>, <0x38000000 0x8000000>; + interrupts = <20>; + interrupt-parent = <&vic0>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + flash@0 { + reg = <0>; + compatible = "jedec,spi-nor"; + }; + + flash@1 { + reg = <1>; + compatible = "jedec,spi-nor"; + }; + }; + vic0: interrupt-controller@eff0000 { compatible = "arm,pl192-vic"; reg = <0xeff0000 0x1000>; From patchwork Fri Jul 22 17:23:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 592556 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 3292FCCA48D for ; Fri, 22 Jul 2022 17:22:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236120AbiGVRWz (ORCPT ); Fri, 22 Jul 2022 13:22:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235275AbiGVRWy (ORCPT ); Fri, 22 Jul 2022 13:22:54 -0400 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFB25655B0; 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Fri, 22 Jul 2022 17:22:27 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 08166801AE7; Fri, 22 Jul 2022 17:22:26 +0000 (UTC) From: nick.hawkins@hpe.com To: nick.hawkins@hpe.com Cc: broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, linux@armlinux.org.uk, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arnd@arndb.de, joel@jms.id.au Subject: [PATCH v2 4/5] ARM: configs: multi_v7_defconfig: Enable HPE GXP SPI driver Date: Fri, 22 Jul 2022 12:23:34 -0500 Message-Id: <20220722172335.33404-5-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220722172335.33404-1-nick.hawkins@hpe.com> References: <20220722172335.33404-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: RqZsW53DsedGwdoE6j-geiqFmOKZ5IZn X-Proofpoint-GUID: RqZsW53DsedGwdoE6j-geiqFmOKZ5IZn X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_06,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 clxscore=1015 mlxscore=0 mlxlogscore=675 suspectscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220073 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins Enable the SPI driver on the HPE GXP BMC. Signed-off-by: Nick Hawkins --- v2: *Change CONFIG_SPI_GXP from y to m --- arch/arm/configs/multi_v7_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index ce9826bce29b..ee8a730dabc9 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -443,6 +443,7 @@ CONFIG_SPI_CADENCE=y CONFIG_SPI_DAVINCI=y CONFIG_SPI_FSL_QUADSPI=m CONFIG_SPI_GPIO=m +CONFIG_SPI_GXP=m CONFIG_SPI_FSL_DSPI=m CONFIG_SPI_OMAP24XX=y CONFIG_SPI_ORION=y From patchwork Fri Jul 22 17:23:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 592968 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 CD71CC43334 for ; Fri, 22 Jul 2022 17:22:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231400AbiGVRW6 (ORCPT ); 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Fri, 22 Jul 2022 17:22:28 +0000 Received: from p1lg14886.dc01.its.hpecorp.net (unknown [10.119.18.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14880.it.hpe.com (Postfix) with ESMTPS id 33164800187; Fri, 22 Jul 2022 17:22:28 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14886.dc01.its.hpecorp.net (Postfix) with ESMTP id 9A7A2807916; Fri, 22 Jul 2022 17:22:27 +0000 (UTC) From: nick.hawkins@hpe.com To: nick.hawkins@hpe.com Cc: broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, linux@armlinux.org.uk, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arnd@arndb.de, joel@jms.id.au Subject: [PATCH v2 5/5] MAINTAINERS: add spi support to GXP Date: Fri, 22 Jul 2022 12:23:35 -0500 Message-Id: <20220722172335.33404-6-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220722172335.33404-1-nick.hawkins@hpe.com> References: <20220722172335.33404-1-nick.hawkins@hpe.com> X-Proofpoint-GUID: J9UmU7HFmwbH9Yy2K_9wWiqFfnHpGlUZ X-Proofpoint-ORIG-GUID: J9UmU7HFmwbH9Yy2K_9wWiqFfnHpGlUZ X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-22_06,2022-07-21_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=949 malwarescore=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 impostorscore=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207220073 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Nick Hawkins Add the spi driver and dt-binding documentation Signed-off-by: Nick Hawkins --- v2: *No change --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index a6d3bd9d2a8d..f87728549ecf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2140,11 +2140,13 @@ M: Jean-Marie Verdun M: Nick Hawkins S: Maintained F: Documentation/devicetree/bindings/arm/hpe,gxp.yaml +F: Documentation/devicetree/bindings/spi/hpe,gxp-spi.yaml F: Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml F: arch/arm/boot/dts/hpe-bmc* F: arch/arm/boot/dts/hpe-gxp* F: arch/arm/mach-hpe/ F: drivers/clocksource/timer-gxp.c +F: drivers/spi/spi-gxp.c F: drivers/watchdog/gxp-wdt.c ARM/IGEP MACHINE SUPPORT