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Fri, 4 Nov 2022 19:38:09 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id 3073D808166; Fri, 4 Nov 2022 19:38:09 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 1/6] hwmon: (gxp-fan-ctrl) Add GXP fan controller Date: Fri, 4 Nov 2022 14:36:52 -0500 Message-Id: <20221104193657.105130-2-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: R9awUIoSaoPR1jRpJnbwWRElZnlCDaCq X-Proofpoint-GUID: R9awUIoSaoPR1jRpJnbwWRElZnlCDaCq X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 phishscore=0 spamscore=0 malwarescore=0 mlxlogscore=999 suspectscore=0 mlxscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123828_354840_AB130691 X-CRM114-Status: GOOD ( 29.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins The GXP SoC can support up to 16 fans through the interface provided by the CPLD. The fans speeds are controlled via a pwm value 0-255. The fans are also capable of reporting if they have failed to the CPLD which in turn reports the status to the GXP SoC. There are no tachometers so fan speeds are reported as a percent of the pwm value. Signed-off-by: Nick Hawkins --- Documentation/hwmon/gxp-fan-ctrl.rst | 36 +++ drivers/hwmon/Kconfig | 8 + drivers/hwmon/Makefile | 1 + drivers/hwmon/gxp-fan-ctrl.c | 362 +++++++++++++++++++++++++++ 4 files changed, 407 insertions(+) create mode 100644 Documentation/hwmon/gxp-fan-ctrl.rst create mode 100644 drivers/hwmon/gxp-fan-ctrl.c diff --git a/Documentation/hwmon/gxp-fan-ctrl.rst b/Documentation/hwmon/gxp-fan-ctrl.rst new file mode 100644 index 000000000000..fc1709fb113b --- /dev/null +++ b/Documentation/hwmon/gxp-fan-ctrl.rst @@ -0,0 +1,36 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver gxp-fan-ctrl +========================== + +Supported chips: + + * HPE GXP SOC + +Author: Nick Hawkins + + +Description +----------- + +gxp-fan-ctrl is a driver which provides fan control for the hpe gxp soc. +The driver allows the gathering of fan status and the use of fan +pwm control. + + +Usage Notes +----------- + +Traditionally fanY_input returns an RPM value, on HPE GXP systems it is +the pwm value [0-255] due to the fan speeds being reported as +percentages. + + +Sysfs attributes +---------------- + +======================= ================================================= +pwm[0-15] Fan 0 to 15 respective pwm value +fan[0-15]_input Fan 0 to 15 respective input value: pwm value +fan[0-15]_fault Fan 0 to 15 respective fault status: 1 fail, 0 ok +======================= ================================================= diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index e70d9614bec2..3d32cd77424c 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -2303,6 +2303,14 @@ config SENSORS_INTEL_M10_BMC_HWMON sensors monitor various telemetry data of different components on the card, e.g. board temperature, FPGA core temperature/voltage/current. +config SENSORS_GXP_FAN_CTRL + tristate "GXP Fan Control driver" + depends on ARCH_HPE_GXP || COMPILE_TEST + help + If you say yes here you get support for GXP fan control functionality. + The GXP controls fan function via the CPLD through the use of PWM + registers. This driver reports status and pwm setting of the fans. + if ACPI comment "ACPI drivers" diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 007e829d1d0d..b474dcc708c4 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o obj-$(CONFIG_SENSORS_GSC) += gsc-hwmon.o obj-$(CONFIG_SENSORS_GPIO_FAN) += gpio-fan.o +obj-$(CONFIG_SENSORS_GXP_FAN_CTRL) += gxp-fan-ctrl.o obj-$(CONFIG_SENSORS_HIH6130) += hih6130.o obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o obj-$(CONFIG_SENSORS_I5500) += i5500_temp.o diff --git a/drivers/hwmon/gxp-fan-ctrl.c b/drivers/hwmon/gxp-fan-ctrl.c new file mode 100644 index 000000000000..a01530951d58 --- /dev/null +++ b/drivers/hwmon/gxp-fan-ctrl.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0=or-later +/* Copyright (C) 2022 Hewlett-Packard Enterprise Development Company, L.P. */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define OFFSET_PWM0DUTY 0x10 +#define OFFSET_PWM1DUTY 0x11 +#define OFFSET_PWM2DUTY 0x12 +#define OFFSET_PWM3DUTY 0x13 +#define OFFSET_PWM4DUTY 0x14 +#define OFFSET_PWM5DUTY 0x15 +#define OFFSET_PWM6DUTY 0x16 +#define OFFSET_PWM7DUTY 0x17 + +struct fan_data { + u32 inst; + u32 fail; + u32 id; + u32 bit; +}; + +struct fan_ctrl_data { + struct fan_data fan[16]; + u32 power_bit; +}; + +struct gxp_fan_ctrl_drvdata { + struct device *dev; + struct device *hwmon_dev; + struct regmap *plreg_map; /* Programmable logic register regmap */ + struct regmap *fn2_map; /* Function 2 regmap */ + void __iomem *base; + const struct fan_ctrl_data *data; + struct mutex update_lock; /* To protect the setting of the fan PWM value */ +}; + +static void address_translation(u32 desired_offset, u32 *offset, u32 *bit_shift) +{ + *offset = (desired_offset & 0xffc); + *bit_shift = (desired_offset - *offset) * 8; +} + +static bool fan_installed(struct device *dev, int fan) +{ + struct gxp_fan_ctrl_drvdata *drvdata = dev_get_drvdata(dev); + u32 trans_offset; + u32 trans_shift; + u32 val; + + address_translation(drvdata->data->fan[fan].inst, + &trans_offset, + &trans_shift); + + regmap_read(drvdata->plreg_map, trans_offset, &val); + val = (val >> trans_shift) & drvdata->data->fan[fan].bit; + if (val == drvdata->data->fan[fan].bit) + return 1; + else + return 0; +} + +static bool fan_failed(struct device *dev, int fan) +{ + struct gxp_fan_ctrl_drvdata *drvdata = dev_get_drvdata(dev); + u32 trans_offset; + u32 trans_shift; + u32 val; + + address_translation(drvdata->data->fan[fan].fail, + &trans_offset, + &trans_shift); + + regmap_read(drvdata->plreg_map, trans_offset, &val); + val = (val >> trans_shift) & drvdata->data->fan[fan].fail; + if (val == drvdata->data->fan[fan].fail) + return 1; + else + return 0; +} + +static ssize_t show_fault(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int nr = (to_sensor_dev_attr(attr))->index; + unsigned char val; + + val = (fan_failed(dev, nr)) ? 1 : 0; + + return sprintf(buf, "%d\n", val); +} + +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int nr = (to_sensor_dev_attr(attr))->index; + struct gxp_fan_ctrl_drvdata *drvdata = dev_get_drvdata(dev); + unsigned char val; + unsigned int reg; + + /* Check Power Status */ + regmap_read(drvdata->fn2_map, 0, ®); + if (reg & BIT(drvdata->data->power_bit)) { + /* If Fan presents, then read it. */ + val = (fan_installed(dev, nr)) ? readb(drvdata->base + + OFFSET_PWM0DUTY + + nr) : 0; + } else { + /* Power Off */ + val = 0; + } + + return sprintf(buf, "%d\n", val); +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int nr = (to_sensor_dev_attr(attr))->index; + struct gxp_fan_ctrl_drvdata *drvdata = dev_get_drvdata(dev); + unsigned char val; + + val = readb(drvdata->base + OFFSET_PWM0DUTY + nr); + + return sprintf(buf, "%d\n", val); +} + +static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int nr = (to_sensor_dev_attr(attr))->index; + struct gxp_fan_ctrl_drvdata *drvdata = dev_get_drvdata(dev); + unsigned long val; + int err; + + err = kstrtoul(buf, 10, &val); + if (err) + return err; + + if (val > 255) + return -1; /* out of range */ + + mutex_lock(&drvdata->update_lock); + + writeb(val, drvdata->base + OFFSET_PWM0DUTY + nr); + + mutex_unlock(&drvdata->update_lock); + return count; +} + +static SENSOR_DEVICE_ATTR(pwm0, 0200 | 0444, show_pwm, store_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm1, 0200 | 0444, show_pwm, store_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm2, 0200 | 0444, show_pwm, store_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm3, 0200 | 0444, show_pwm, store_pwm, 3); +static SENSOR_DEVICE_ATTR(pwm4, 0200 | 0444, show_pwm, store_pwm, 4); +static SENSOR_DEVICE_ATTR(pwm5, 0200 | 0444, show_pwm, store_pwm, 5); +static SENSOR_DEVICE_ATTR(pwm6, 0200 | 0444, show_pwm, store_pwm, 6); +static SENSOR_DEVICE_ATTR(pwm7, 0200 | 0444, show_pwm, store_pwm, 7); +static SENSOR_DEVICE_ATTR(pwm8, 0200 | 0444, show_pwm, store_pwm, 8); +static SENSOR_DEVICE_ATTR(pwm9, 0200 | 0444, show_pwm, store_pwm, 9); +static SENSOR_DEVICE_ATTR(pwm10, 0200 | 0444, show_pwm, store_pwm, 10); +static SENSOR_DEVICE_ATTR(pwm11, 0200 | 0444, show_pwm, store_pwm, 11); +static SENSOR_DEVICE_ATTR(pwm12, 0200 | 0444, show_pwm, store_pwm, 12); +static SENSOR_DEVICE_ATTR(pwm13, 0200 | 0444, show_pwm, store_pwm, 13); +static SENSOR_DEVICE_ATTR(pwm14, 0200 | 0444, show_pwm, store_pwm, 14); +static SENSOR_DEVICE_ATTR(pwm15, 0200 | 0444, show_pwm, store_pwm, 15); + +static struct sensor_device_attribute sda_in_input[] = { + SENSOR_ATTR(fan0_input, 0444, show_in, NULL, 0), + SENSOR_ATTR(fan1_input, 0444, show_in, NULL, 1), + SENSOR_ATTR(fan2_input, 0444, show_in, NULL, 2), + SENSOR_ATTR(fan3_input, 0444, show_in, NULL, 3), + SENSOR_ATTR(fan4_input, 0444, show_in, NULL, 4), + SENSOR_ATTR(fan5_input, 0444, show_in, NULL, 5), + SENSOR_ATTR(fan6_input, 0444, show_in, NULL, 6), + SENSOR_ATTR(fan7_input, 0444, show_in, NULL, 7), + SENSOR_ATTR(fan8_input, 0444, show_in, NULL, 8), + SENSOR_ATTR(fan9_input, 0444, show_in, NULL, 9), + SENSOR_ATTR(fan10_input, 0444, show_in, NULL, 10), + SENSOR_ATTR(fan11_input, 0444, show_in, NULL, 11), + SENSOR_ATTR(fan12_input, 0444, show_in, NULL, 12), + SENSOR_ATTR(fan13_input, 0444, show_in, NULL, 13), + SENSOR_ATTR(fan14_input, 0444, show_in, NULL, 14), + SENSOR_ATTR(fan15_input, 0444, show_in, NULL, 15), +}; + +static SENSOR_DEVICE_ATTR(fan0_fault, 0444, show_fault, NULL, 0); +static SENSOR_DEVICE_ATTR(fan1_fault, 0444, show_fault, NULL, 1); +static SENSOR_DEVICE_ATTR(fan2_fault, 0444, show_fault, NULL, 2); +static SENSOR_DEVICE_ATTR(fan3_fault, 0444, show_fault, NULL, 3); +static SENSOR_DEVICE_ATTR(fan4_fault, 0444, show_fault, NULL, 4); +static SENSOR_DEVICE_ATTR(fan5_fault, 0444, show_fault, NULL, 5); +static SENSOR_DEVICE_ATTR(fan6_fault, 0444, show_fault, NULL, 6); +static SENSOR_DEVICE_ATTR(fan7_fault, 0444, show_fault, NULL, 7); +static SENSOR_DEVICE_ATTR(fan8_fault, 0444, show_fault, NULL, 8); +static SENSOR_DEVICE_ATTR(fan9_fault, 0444, show_fault, NULL, 9); +static SENSOR_DEVICE_ATTR(fan10_fault, 0444, show_fault, NULL, 10); +static SENSOR_DEVICE_ATTR(fan11_fault, 0444, show_fault, NULL, 11); +static SENSOR_DEVICE_ATTR(fan12_fault, 0444, show_fault, NULL, 12); +static SENSOR_DEVICE_ATTR(fan13_fault, 0444, show_fault, NULL, 13); +static SENSOR_DEVICE_ATTR(fan14_fault, 0444, show_fault, NULL, 14); +static SENSOR_DEVICE_ATTR(fan15_fault, 0444, show_fault, NULL, 15); + +static struct attribute *gxp_fan_ctrl_attrs[] = { + &sensor_dev_attr_fan0_fault.dev_attr.attr, + &sensor_dev_attr_fan1_fault.dev_attr.attr, + &sensor_dev_attr_fan2_fault.dev_attr.attr, + &sensor_dev_attr_fan3_fault.dev_attr.attr, + &sensor_dev_attr_fan4_fault.dev_attr.attr, + &sensor_dev_attr_fan5_fault.dev_attr.attr, + &sensor_dev_attr_fan6_fault.dev_attr.attr, + &sensor_dev_attr_fan7_fault.dev_attr.attr, + &sensor_dev_attr_fan8_fault.dev_attr.attr, + &sensor_dev_attr_fan9_fault.dev_attr.attr, + &sensor_dev_attr_fan10_fault.dev_attr.attr, + &sensor_dev_attr_fan11_fault.dev_attr.attr, + &sensor_dev_attr_fan12_fault.dev_attr.attr, + &sensor_dev_attr_fan13_fault.dev_attr.attr, + &sensor_dev_attr_fan14_fault.dev_attr.attr, + &sensor_dev_attr_fan15_fault.dev_attr.attr, + &sda_in_input[0].dev_attr.attr, + &sda_in_input[1].dev_attr.attr, + &sda_in_input[2].dev_attr.attr, + &sda_in_input[3].dev_attr.attr, + &sda_in_input[4].dev_attr.attr, + &sda_in_input[5].dev_attr.attr, + &sda_in_input[6].dev_attr.attr, + &sda_in_input[7].dev_attr.attr, + &sda_in_input[8].dev_attr.attr, + &sda_in_input[9].dev_attr.attr, + &sda_in_input[10].dev_attr.attr, + &sda_in_input[11].dev_attr.attr, + &sda_in_input[12].dev_attr.attr, + &sda_in_input[13].dev_attr.attr, + &sda_in_input[14].dev_attr.attr, + &sda_in_input[15].dev_attr.attr, + &sensor_dev_attr_pwm0.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + &sensor_dev_attr_pwm5.dev_attr.attr, + &sensor_dev_attr_pwm6.dev_attr.attr, + &sensor_dev_attr_pwm7.dev_attr.attr, + &sensor_dev_attr_pwm8.dev_attr.attr, + &sensor_dev_attr_pwm9.dev_attr.attr, + &sensor_dev_attr_pwm10.dev_attr.attr, + &sensor_dev_attr_pwm11.dev_attr.attr, + &sensor_dev_attr_pwm12.dev_attr.attr, + &sensor_dev_attr_pwm13.dev_attr.attr, + &sensor_dev_attr_pwm14.dev_attr.attr, + &sensor_dev_attr_pwm15.dev_attr.attr, + NULL, +}; + +ATTRIBUTE_GROUPS(gxp_fan_ctrl); + +static struct regmap *gxp_fan_ctrl_init_regmap(struct platform_device *pdev, char *reg_name) +{ + struct regmap_config regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + }; + void __iomem *base; + + base = devm_platform_ioremap_resource_byname(pdev, reg_name); + if (IS_ERR(base)) + return ERR_CAST(base); + + regmap_config.name = reg_name; + + return devm_regmap_init_mmio(&pdev->dev, base, ®map_config); +} + +static int gxp_fan_ctrl_probe(struct platform_device *pdev) +{ + struct gxp_fan_ctrl_drvdata *drvdata; + struct resource *res; + struct device *dev = &pdev->dev; + + drvdata = devm_kzalloc(&pdev->dev, sizeof(struct gxp_fan_ctrl_drvdata), + GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + + drvdata->dev = &pdev->dev; + + drvdata->data = of_device_get_match_data(&pdev->dev); + + platform_set_drvdata(pdev, drvdata); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + drvdata->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(drvdata->base)) + return dev_err_probe(dev, PTR_ERR(drvdata->base), + "failed to map base\n"); + drvdata->plreg_map = gxp_fan_ctrl_init_regmap(pdev, "plreg"); + if (IS_ERR(drvdata->plreg_map)) + return dev_err_probe(dev, PTR_ERR(drvdata->plreg_map), + "failed to map plreg_handle\n"); + + drvdata->fn2_map = gxp_fan_ctrl_init_regmap(pdev, "fn2reg"); + if (IS_ERR(drvdata->fn2_map)) + return dev_err_probe(dev, PTR_ERR(drvdata->fn2_map), + "failed to map fn2_handle\n"); + + mutex_init(&drvdata->update_lock); + + drvdata->hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, + "fan_ctrl", + drvdata, + gxp_fan_ctrl_groups); + + return PTR_ERR_OR_ZERO(drvdata->hwmon_dev); +} + +static const struct fan_ctrl_data g10_data = { + .fan[0] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x01 }, + .fan[1] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x02 }, + .fan[2] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x04 }, + .fan[3] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x08 }, + .fan[4] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x10 }, + .fan[5] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x20 }, + .fan[6] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x40 }, + .fan[7] = { .inst = 0x00, .fail = 0x02, .id = 0x04, .bit = 0x80 }, + .fan[8] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x01 }, + .fan[9] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x02 }, + .fan[10] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x04 }, + .fan[11] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x08 }, + .fan[12] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x10 }, + .fan[13] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x20 }, + .fan[14] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x40 }, + .fan[15] = { .inst = 0x01, .fail = 0x03, .id = 0x05, .bit = 0x80 }, + .power_bit = 24, +}; + +static const struct of_device_id gxp_fan_ctrl_of_match[] = { + { .compatible = "hpe,gxp-fan-ctrl", .data = &g10_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, gxp_fan_ctrl_of_match); + +static struct platform_driver gxp_fan_ctrl_driver = { + .probe = gxp_fan_ctrl_probe, + .driver = { + .name = "gxp-fan-ctrl", + .of_match_table = gxp_fan_ctrl_of_match, + }, +}; +module_platform_driver(gxp_fan_ctrl_driver); + +MODULE_AUTHOR("Nick Hawkins "); +MODULE_DESCRIPTION("HPE GXP Fan Ctrl driver"); +MODULE_LICENSE("GPL"); From patchwork Fri Nov 4 19:36:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 13032528 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0CE1C433FE for ; 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Fri, 04 Nov 2022 19:38:11 +0000 Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (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 9AEEC8040F3; Fri, 4 Nov 2022 19:38:10 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id BAC7080353C; Fri, 4 Nov 2022 19:38:09 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 2/6] ABI: sysfs-class-hwmon: add a description for fanY_fault Date: Fri, 4 Nov 2022 14:36:53 -0500 Message-Id: <20221104193657.105130-3-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: _blGskLwhQylhmyFRrg7o-YVQoHSEv8V X-Proofpoint-GUID: _blGskLwhQylhmyFRrg7o-YVQoHSEv8V X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 phishscore=0 mlxscore=0 impostorscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123827_646232_306E7F92 X-CRM114-Status: GOOD ( 14.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins The fans are capable of reporting a fault to the CPLD controller which then reports it to the GXP SoC via PLREGS. This patch enables hwmon to be able to report these failures up to the HOST OS. Signed-off-by: Nick Hawkins --- Documentation/ABI/testing/sysfs-class-hwmon | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon index 7271781a23b2..638f4c6d4ec7 100644 --- a/Documentation/ABI/testing/sysfs-class-hwmon +++ b/Documentation/ABI/testing/sysfs-class-hwmon @@ -276,6 +276,15 @@ Description: RW +What: /sys/class/hwmon/hwmonX/fanY_fault +Description: + Reports if a fan has reported failure. + + - 1: Failed + - 0: Ok + + RO + What: /sys/class/hwmon/hwmonX/pwmY Description: Pulse width modulation fan control. From patchwork Fri Nov 4 19:36:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 13032525 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C04A9C433FE for ; Fri, 4 Nov 2022 19:39:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 4 Nov 2022 19:38:10 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id 5BFF6808166; Fri, 4 Nov 2022 19:38:10 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 3/6] dt-bindings: hwmon: Add hpe,gxp-fan-ctrl Date: Fri, 4 Nov 2022 14:36:54 -0500 Message-Id: <20221104193657.105130-4-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: yUwB621IbEXMwiJsGvtmecnb0dReeota X-Proofpoint-GUID: yUwB621IbEXMwiJsGvtmecnb0dReeota X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 mlxlogscore=999 bulkscore=0 phishscore=0 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123827_207472_C1C4B9EE X-CRM114-Status: GOOD ( 17.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins This provides the base registers address, programmable logic registers address, and the function 2 registers to allow control access of the HPE fans on the GXP SoC. Signed-off-by: Nick Hawkins --- .../bindings/hwmon/hpe,gxp-fan-ctrl.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml diff --git a/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml new file mode 100644 index 000000000000..40a5d9cd0a30 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/hpe,gxp-fan-ctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GXP Fan Controller + +maintainers: + - Nick Hawkins + +properties: + compatible: + const: hpe,gxp-fan-ctrl + + reg: + items: + - description: Fan controller base register + - description: Programmable logic registers base + - description: Function 2 registers base + + reg-names: + items: + - const: base + - const: plreg + - const: fn2reg + +required: + - compatible + - reg + - reg-names + +additionalProperties: false + +examples: + - | + fanctrl@1000c00 { + compatible = "hpe,gxp-fan-ctrl"; + reg = <0x1000c00 0x200>, <0xd1000000 0xff>, <0x80200000 0x100000>; + reg-names = "base", "plreg", "fn2reg"; + }; From patchwork Fri Nov 4 19:36:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 13032524 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 64254C433FE for ; Fri, 4 Nov 2022 19:39:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 4 Nov 2022 19:38:11 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id E8DC680353C; Fri, 4 Nov 2022 19:38:10 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 4/6] ARM: dts: add GXP Support for fans and SPI Date: Fri, 4 Nov 2022 14:36:55 -0500 Message-Id: <20221104193657.105130-5-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-GUID: egV9SKPfbHnJJhY2p3KYJID9KdCjRZ2s X-Proofpoint-ORIG-GUID: egV9SKPfbHnJJhY2p3KYJID9KdCjRZ2s X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=885 lowpriorityscore=0 priorityscore=1501 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 phishscore=0 malwarescore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123826_996768_AA95C900 X-CRM114-Status: GOOD ( 17.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins Reorganize the base address of AHB to accommodate the SPI and fan driver register requirements. Add the hpe,gxp-spifi and hpe,gxp-fan-ctrl compatibles. Add comments to make the register range more clear. Signed-off-by: Nick Hawkins --- arch/arm/boot/dts/hpe-bmc-dl360gen10.dts | 58 +++++++++++++++++++++ arch/arm/boot/dts/hpe-gxp.dtsi | 64 +++++++++++++++++------- 2 files changed, 103 insertions(+), 19 deletions(-) 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..27486dd4d99a 100644 --- a/arch/arm/boot/dts/hpe-gxp.dtsi +++ b/arch/arm/boot/dts/hpe-gxp.dtsi @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Device Tree file for HPE GXP + * Device Tree for HPE */ /dts-v1/; @@ -52,76 +52,102 @@ cache-level = <2>; }; - ahb@c0000000 { + ahb@80000000 { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges = <0x0 0xc0000000 0x30000000>; + ranges = <0x0 0x80000000 0xf000000>, /* 0x80000000 - 0x8f000000 */ + <0x40000000 0xc0000000 0x7fffffff>; /* 0xc0000000 - 0xffffffff */ dma-ranges; - vic0: interrupt-controller@eff0000 { + spifi: spi@40000200 { /* 0xc0000200 */ + compatible = "hpe,gxp-spifi"; + reg = <0x40000200 0x80>, <0x4000c000 0x100>, <0x78000000 0x7ff0000>; + 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@4eff0000 { /* 0xceff0000 */ compatible = "arm,pl192-vic"; - reg = <0xeff0000 0x1000>; + reg = <0x4eff0000 0x1000>; interrupt-controller; #interrupt-cells = <1>; }; - vic1: interrupt-controller@80f00000 { + vic1: interrupt-controller@f00000 { /* 0x80f00000 */ compatible = "arm,pl192-vic"; - reg = <0x80f00000 0x1000>; + reg = <0xf00000 0x1000>; interrupt-controller; #interrupt-cells = <1>; }; - uarta: serial@e0 { + uarta: serial@400000e0 { /* 0xc00000e0 */ compatible = "ns16550a"; - reg = <0xe0 0x8>; + reg = <0x400000e0 0x8>; interrupts = <17>; interrupt-parent = <&vic0>; clock-frequency = <1846153>; reg-shift = <0>; }; - uartb: serial@e8 { + uartb: serial@400000e8 { /* 0xc00000e8 */ compatible = "ns16550a"; - reg = <0xe8 0x8>; + reg = <0x400000e8 0x8>; interrupts = <18>; interrupt-parent = <&vic0>; clock-frequency = <1846153>; reg-shift = <0>; }; - uartc: serial@f0 { + uartc: serial@400000f0 { /* 0xc00000f0 */ compatible = "ns16550a"; - reg = <0xf0 0x8>; + reg = <0x400000f0 0x8>; interrupts = <19>; interrupt-parent = <&vic0>; clock-frequency = <1846153>; reg-shift = <0>; }; - usb0: usb@efe0000 { + usb0: usb@4efe0000 { /* 0xcefe0000 */ compatible = "hpe,gxp-ehci", "generic-ehci"; - reg = <0xefe0000 0x100>; + reg = <0x4efe0000 0x100>; interrupts = <7>; interrupt-parent = <&vic0>; }; - st: timer@80 { + st: timer@40000080 { /* 0xc0000080 */ compatible = "hpe,gxp-timer"; - reg = <0x80 0x16>; + reg = <0x40000080 0x16>; interrupts = <0>; interrupt-parent = <&vic0>; clocks = <&iopclk>; clock-names = "iop"; }; - usb1: usb@efe0100 { + usb1: usb@4efe0100 { /* 0xcefe0100 */ compatible = "hpe,gxp-ohci", "generic-ohci"; - reg = <0xefe0100 0x110>; + reg = <0x4efe0100 0x110>; interrupts = <6>; interrupt-parent = <&vic0>; }; + + fanctrl: fanctrl@40000c00 { /* 0xc0000c00 */ + compatible = "hpe,gxp-fan-ctrl"; + reg = <0x40000c00 0x200>, <0x51000027 0x06>, <0x200070 0x01>; + reg-names = "base", "plreg", "fn2reg"; + }; }; }; }; From patchwork Fri Nov 4 19:36:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 13032527 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51CA8C433FE for ; Fri, 4 Nov 2022 19:40:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 4 Nov 2022 19:38:12 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id 80284808166; Fri, 4 Nov 2022 19:38:11 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 5/6] ARM: multi_v7_defconfig: Add GXP Fan and SPI support Date: Fri, 4 Nov 2022 14:36:56 -0500 Message-Id: <20221104193657.105130-6-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: QNe_Y22Spqo68Ydf2Z-0DiaOsCLdPagj X-Proofpoint-GUID: QNe_Y22Spqo68Ydf2Z-0DiaOsCLdPagj X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 mlxlogscore=999 bulkscore=0 phishscore=0 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123827_650243_16C90A0D X-CRM114-Status: GOOD ( 16.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins In order for HPE platforms to be supported by linux on GXP it is necessary for there to be fan and spi driver support. There fan driver can support up to 16 fans that are driven by pwm through the CPLD. The SPI driver supports access to the core flash and bios part. The SPI driver spi-gxp was added previously to linux. Signed-off-by: Nick Hawkins --- arch/arm/configs/multi_v7_defconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 12b35008571f..92a854e7b01b 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -445,6 +445,7 @@ 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 @@ -535,6 +536,7 @@ CONFIG_SENSORS_NTC_THERMISTOR=m CONFIG_SENSORS_PWM_FAN=m CONFIG_SENSORS_RASPBERRYPI_HWMON=m CONFIG_SENSORS_INA2XX=m +CONFIG_SENSORS_GXP_FAN_CTRL=m CONFIG_CPU_THERMAL=y CONFIG_DEVFREQ_THERMAL=y CONFIG_IMX_THERMAL=y From patchwork Fri Nov 4 19:36:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hawkins, Nick" X-Patchwork-Id: 13032526 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E7E50C433FE for ; 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Fri, 04 Nov 2022 19:38:13 +0000 Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (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 AAEEDD291; Fri, 4 Nov 2022 19:38:12 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id 1FF868089A9; Fri, 4 Nov 2022 19:38:12 +0000 (UTC) From: nick.hawkins@hpe.com To: jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, verdun@hpe.com, nick.hawkins@hpe.com, corbet@lwn.net, linux@armlinux.org.uk, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 6/6] MAINTAINERS: add gxp fan controller and documents Date: Fri, 4 Nov 2022 14:36:57 -0500 Message-Id: <20221104193657.105130-7-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221104193657.105130-1-nick.hawkins@hpe.com> References: <20221104193657.105130-1-nick.hawkins@hpe.com> X-Proofpoint-GUID: HcoKe45zvOjU0ZZBb789QNBNO_sqws-d X-Proofpoint-ORIG-GUID: HcoKe45zvOjU0ZZBb789QNBNO_sqws-d X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-04_11,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=999 lowpriorityscore=0 priorityscore=1501 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 phishscore=0 malwarescore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211040122 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221104_123827_661019_56F28BAE X-CRM114-Status: GOOD ( 14.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nick Hawkins Add the gxp-fan-ctrl.c and gxp-fan-ctrl.rst in hwmon driver/documentation. Signed-off-by: Nick Hawkins --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 56ff555ed5a4..53f7e4ae8dc8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2177,6 +2177,7 @@ ARM/HPE GXP ARCHITECTURE M: Jean-Marie Verdun M: Nick Hawkins S: Maintained +F: Documentation/hwmon/gxp-fan-ctrl.rst F: Documentation/devicetree/bindings/arm/hpe,gxp.yaml F: Documentation/devicetree/bindings/spi/hpe,gxp-spifi.yaml F: Documentation/devicetree/bindings/timer/hpe,gxp-timer.yaml @@ -2184,6 +2185,7 @@ 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/hwmon/gxp-fan-ctrl.c F: drivers/spi/spi-gxp.c F: drivers/watchdog/gxp-wdt.c