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/linux-6.14.4/arch/arm64/boot/dts/qcom/
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>;
80 perst-n-pins {
104 perst-n-pins {
128 perst-n-pins {
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 {
Dipq8074-hk10.dtsi43 perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
48 perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
Dipq8074-hk01.dts57 perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
62 perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
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 {
Dsa8540p-ride.dts373 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
394 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
614 perst-pins {
637 perst-pins {
Dsc8280xp-crd.dts616 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
635 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
656 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
981 perst-n-pins {
1004 perst-n-pins {
1027 perst-n-pins {
Dx1e80100-asus-vivobook-s15.dts463 perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
480 perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
593 perst-n-pins {
616 perst-n-pins {
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>;
1642 perst-n-pins {
1665 perst-n-pins {
1688 perst-n-pins {
1720 perst-n-pins {
1730 perst-n-pins {
Dsar2130p-qar2130p.dts360 perst-gpios = <&tlmm 55 GPIO_ACTIVE_LOW>;
465 perst-pins {
488 perst-pins {
Dx1e80100-crd.dts832 perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
849 perst-gpios = <&tlmm 149 GPIO_ACTIVE_LOW>;
868 perst-gpios = <&tlmm 152 GPIO_ACTIVE_LOW>;
1085 perst-n-pins {
1108 perst-n-pins {
1131 perst-n-pins {
/linux-6.14.4/Documentation/devicetree/bindings/pci/
Dqcom,pcie-ep.yaml53 qcom,perst-regs:
55 offsets within syscon for Perst enable and Perst separation
61 - description: Perst enable offset
62 - description: Perst separation enable offset
79 description: GPIO used as PERST# input signal
266 qcom,perst-regs = <&tcsr 0xb258 0xb270>;
Dstarfive,jh7110-pcie.yaml63 perst-gpios:
64 description: GPIO controlled connection to PERST# signal
118 perst-gpios = <&gpios 26 GPIO_ACTIVE_LOW>;
Dqcom,pcie-common.yaml73 perst-gpios:
74 description: GPIO controlled connection to PERST# signal
/linux-6.14.4/drivers/phy/freescale/
Dphy-fsl-imx8m-pcie.c64 struct reset_control *perst; member
146 reset_control_deassert(imx8_phy->perst); in imx8_pcie_phy_power_on()
170 reset_control_assert(imx8_phy->perst); in imx8_pcie_phy_power_off()
267 imx8_phy->perst = in imx8_pcie_phy_probe()
268 devm_reset_control_get_exclusive(dev, "perst"); in imx8_pcie_phy_probe()
269 if (IS_ERR(imx8_phy->perst)) in imx8_pcie_phy_probe()
270 return dev_err_probe(dev, PTR_ERR(imx8_phy->perst), in imx8_pcie_phy_probe()
271 "Failed to get PCIE PHY PERST control\n"); in imx8_pcie_phy_probe()
/linux-6.14.4/drivers/pci/controller/dwc/
Dpcie-qcom-ep.c180 * @perst_map: PERST regmap
183 * @reset: PERST# GPIO
190 * @perst_en: Flag for PERST enable
191 * @perst_sep_en: Flag for PERST separation enable
195 * @perst_irq: PERST# IRQ
594 syscon = of_parse_phandle(dev->of_node, "qcom,perst-regs", 0); in qcom_pcie_ep_get_io_resources()
596 dev_dbg(dev, "PERST separation not available\n"); in qcom_pcie_ep_get_io_resources()
605 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
608 dev_err(dev, "No Perst Enable offset in syscon\n"); in qcom_pcie_ep_get_io_resources()
612 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
[all …]
Dpcie-kirin.c61 * Each slot has a different clock source and uses a separate PERST# pin.
78 /* DWC PERST# */
81 /* Per-slot PERST# */
468 /* pcie internal PERST# gpio */ in kirin_pcie_get_resource()
554 /* Send PERST# to each slot */ in kirin_pcie_add_bus()
558 dev_err(pci->dev, "PERST# %s error: %d\n", in kirin_pcie_add_bus()
681 /* perst assert Endpoint */ in kirin_pcie_power_on()
/linux-6.14.4/drivers/pci/controller/
Dpcie-rockchip-ep.c43 * @perst_irq: IRQ used for the PERST# signal.
44 * @perst_asserted: True if the PERST# signal was asserted.
573 * If PERST# was asserted while polling the link, do not notify in rockchip_pcie_ep_link_training()
600 dev_dbg(rockchip->dev, "PERST# asserted, link down\n"); in rockchip_pcie_ep_perst_assert()
619 dev_dbg(rockchip->dev, "PERST# de-asserted, starting link training\n"); in rockchip_pcie_ep_perst_deassert()
638 u32 perst = gpiod_get_value(rockchip->perst_gpio); in rockchip_pcie_ep_perst_irq_thread() local
640 if (perst) in rockchip_pcie_ep_perst_irq_thread()
646 (perst ? IRQF_TRIGGER_HIGH : IRQF_TRIGGER_LOW)); in rockchip_pcie_ep_perst_irq_thread()
665 "failed to get IRQ for PERST# GPIO: %d\n", in rockchip_pcie_ep_setup_irq()
674 * IRQ as a dummy one by faking the host asserting PERST#. in rockchip_pcie_ep_setup_irq()
[all …]
/linux-6.14.4/Documentation/ABI/obsolete/
Dsysfs-class-cxl223 "none" means PERST will not cause image to be loaded to the
228 "user" and "factory" means PERST will cause either the user or
230 Default is to reload on PERST whichever image the card has
238 Writing 1 will issue a PERST to card provided there are no
241 Writing -1 will do a force PERST irrespective of any active
250 Trust that when an image is reloaded via PERST, it will not
/linux-6.14.4/Documentation/devicetree/bindings/pinctrl/
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-6.14.4/arch/mips/include/asm/octeon/
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-6.14.4/arch/arm/boot/dts/aspeed/
Daspeed-bmc-ibm-system1.dts526 label = "nic1-perst";
534 label = "bmc-perst";
542 label = "reset-M2-SSD1-2-perst";
614 label = "PV-cp0-sw1stk4-perst";
622 label = "PV-cp0-sw1stk5-perst";
630 label = "pe-cp-drv0-perst";
638 label = "pe-cp-drv1-perst";
646 label = "lom-perst";
1331 label = "PV-cp1-sw1stk4-perst";
1339 label = "PV-cp1-sw1stk5-perst";
[all …]
/linux-6.14.4/arch/arm/boot/dts/marvell/
Darmada-388-clearfog.dts63 * 1-CON3 PERST#
64 * 2-CON2 PERST#
/linux-6.14.4/Documentation/devicetree/bindings/reset/
Dbrcm,bcm4908-misc-pcie-reset.yaml9 description: This document describes reset controller handling PCIe PERST#
/linux-6.14.4/drivers/pci/controller/plda/
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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