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/linux/arch/arm64/boot/dts/qcom/
H A Dipq9574-rdp433.dts27 perst-gpios = <&tlmm 26 GPIO_ACTIVE_LOW>;
40 perst-gpios = <&tlmm 29 GPIO_ACTIVE_LOW>;
53 perst-gpios = <&tlmm 32 GPIO_ACTIVE_LOW>;
68 perst-n-pins {
92 perst-n-pins {
116 perst-n-pins {
H A Dipq5332-rdp441.dts39 perst-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
53 perst-gpios = <&tlmm 47 GPIO_ACTIVE_LOW>;
79 perst-n-pins {
103 perst-n-pins {
H A Dsa8295p-adp.dts500 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
519 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
536 perst-gpios = <&tlmm 153 GPIO_ACTIVE_LOW>;
553 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
792 perst-n-pins {
815 perst-n-pins {
838 perst-n-pins {
861 perst-n-pins {
H A Dipq8074-hk01.dts57 perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
62 perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
H A Dipq5018-rdp432-c2.dts37 perst-gpios = <&tlmm 15 GPIO_ACTIVE_LOW>;
70 perst-n-pins {
H A Dsc8280xp-microsoft-arcata.dts483 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
502 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
523 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
895 perst-n-pins {
918 perst-n-pins {
941 perst-n-pins {
H A Dipq5424-rdp466.dts89 perst-gpios = <&tlmm 31 GPIO_ACTIVE_LOW>;
102 perst-gpios = <&tlmm 34 GPIO_ACTIVE_LOW>;
H A Dsa8540p-ride.dts369 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
390 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
610 perst-pins {
633 perst-pins {
H A Dsc8280xp-crd.dts630 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
649 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
670 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
1009 perst-n-pins {
1032 perst-n-pins {
1055 perst-n-pins {
H A Dsc8280xp-lenovo-thinkpad-x13s.dts935 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
954 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
975 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
1636 perst-n-pins {
1659 perst-n-pins {
1682 perst-n-pins {
1714 perst-n-pins {
1724 perst-n-pins {
H A Dsar2130p-qar2130p.dts360 perst-gpios = <&tlmm 55 GPIO_ACTIVE_LOW>;
465 perst-pins {
488 perst-pins {
/linux/Documentation/devicetree/bindings/pci/
H A Dqcom,pcie-ep.yaml54 qcom,perst-regs:
56 offsets within syscon for Perst enable and Perst separation
62 - description: Perst enable offset
63 - description: Perst separation enable offset
83 description: GPIO used as PERST# input signal
314 qcom,perst-regs = <&tcsr 0xb258 0xb270>;
H A Dstarfive,jh7110-pcie.yaml63 perst-gpios:
64 description: GPIO controlled connection to PERST# signal
118 perst-gpios = <&gpios 26 GPIO_ACTIVE_LOW>;
H A Dqcom,pcie-common.yaml81 perst-gpios:
82 description: GPIO controlled connection to PERST# signal. This property is
H A Dbrcm,stb-pcie.yaml106 - enum: [perst, rescal]
141 - const: perst
/linux/drivers/pci/controller/dwc/
H A Dpcie-qcom-ep.c184 * @perst_map: PERST regmap
187 * @reset: PERST# GPIO
194 * @perst_en: Flag for PERST enable
195 * @perst_sep_en: Flag for PERST separation enable
199 * @perst_irq: PERST# IRQ
602 syscon = of_parse_phandle(dev->of_node, "qcom,perst-regs", 0); in qcom_pcie_ep_get_io_resources()
604 dev_dbg(dev, "PERST separation not available\n"); in qcom_pcie_ep_get_io_resources()
613 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
616 dev_err(dev, "No Perst Enable offset in syscon\n"); in qcom_pcie_ep_get_io_resources()
620 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
[all …]
H A Dpcie-kirin.c61 * Each slot has a different clock source and uses a separate PERST# pin.
78 /* DWC PERST# */
81 /* Per-slot PERST# */
465 /* pcie internal PERST# gpio */ in kirin_pcie_get_resource()
547 /* Send PERST# to each slot */ in kirin_pcie_add_bus()
551 dev_err(pci->dev, "PERST# %s error: %d\n", in kirin_pcie_add_bus()
671 /* perst assert Endpoint */ in kirin_pcie_power_on()
/linux/drivers/pci/controller/
H A Dpcie-rockchip-ep.c43 * @perst_irq: IRQ used for the PERST# signal.
44 * @perst_asserted: True if the PERST# signal was asserted.
574 * If PERST# was asserted while polling the link, do not notify in rockchip_pcie_ep_link_training()
601 dev_dbg(rockchip->dev, "PERST# asserted, link down\n"); in rockchip_pcie_ep_perst_assert()
620 dev_dbg(rockchip->dev, "PERST# de-asserted, starting link training\n"); in rockchip_pcie_ep_perst_deassert()
639 u32 perst = gpiod_get_value(rockchip->perst_gpio); in rockchip_pcie_ep_perst_irq_thread() local
641 if (perst) in rockchip_pcie_ep_perst_irq_thread()
647 (perst ? IRQF_TRIGGER_HIGH : IRQF_TRIGGER_LOW)); in rockchip_pcie_ep_perst_irq_thread()
666 "failed to get IRQ for PERST# GPIO: %d\n", in rockchip_pcie_ep_setup_irq()
675 * IRQ as a dummy one by faking the host asserting PERST#. in rockchip_pcie_ep_setup_irq()
[all …]
/linux/Documentation/ABI/removed/
H A Dsysfs-class-cxl222 "none" means PERST will not cause image to be loaded to the
227 "user" and "factory" means PERST will cause either the user or
229 Default is to reload on PERST whichever image the card has
237 Writing 1 will issue a PERST to card provided there are no
240 Writing -1 will do a force PERST irrespective of any active
249 Trust that when an image is reloaded via PERST, it will not
/linux/arch/mips/include/asm/octeon/
H A Dcvmx-rst-defs.h179 uint64_t perst:4; member
185 uint64_t perst:4;
192 uint64_t perst:3; member
198 uint64_t perst:3;
/linux/Documentation/devicetree/bindings/pinctrl/
H A Dmediatek,mt76x8-pinctrl.yaml40 p4led_an, p4led_kn, pcie, pcm, perst, pwm, pwm0, pwm1,
82 p4led_kn, perst, pwm0, pwm1, refclk, sdmode, spi,
226 const: perst
230 enum: [perst]
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-ibm-system1.dts565 label = "nic1-perst";
573 label = "bmc-perst";
581 label = "reset-M2-SSD1-2-perst";
653 label = "PV-cp0-sw1stk4-perst";
661 label = "PV-cp0-sw1stk5-perst";
669 label = "pe-cp-drv0-perst";
677 label = "pe-cp-drv1-perst";
685 label = "lom-perst";
1362 label = "PV-cp1-sw1stk4-perst";
1370 label = "PV-cp1-sw1stk5-perst";
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Darmada-388-clearfog.dts63 * 1-CON3 PERST#
64 * 2-CON2 PERST#
/linux/Documentation/devicetree/bindings/reset/
H A Dbrcm,bcm4908-misc-pcie-reset.yaml9 description: This document describes reset controller handling PCIe PERST#
/linux/drivers/pci/controller/plda/
H A Dpcie-starfive.c150 pcie->reset_gpio = devm_gpiod_get_optional(dev, "perst", in starfive_pcie_parse_dt()
154 "failed to get perst-gpio\n"); in starfive_pcie_parse_dt()
359 * Ensure that PERST has been asserted for at least 100 ms, in starfive_pcie_host_init()

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