| /linux-6.8/Documentation/devicetree/bindings/pci/ |
| D | qcom,pcie-ep.yaml | 48 qcom,perst-regs:
50 offsets within syscon for Perst enable and Perst separation
56 - description: Perst enable offset
57 - description: Perst separation enable offset
70 description: GPIO used as PERST# input signal
206 qcom,perst-regs = <&tcsr 0xb258 0xb270>;
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| D | brcm,stb-pcie.yaml | 122 - description: reset controller handling the PERST# signal
126 - const: perst
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| D | snps,dw-pcie-common.yaml | 208 Reference to the GPIO-controlled PERST# signal. It is used to reset all
214 Reference to the GPIO-controlled PERST# signal. It is used to reset all
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| /linux-6.8/drivers/pci/controller/dwc/ |
| D | pcie-qcom-ep.c | 158 * @perst_map: PERST regmap
161 * @reset: PERST# GPIO
168 * @perst_en: Flag for PERST enable
169 * @perst_sep_en: Flag for PERST separation enable
172 * @perst_irq: PERST# IRQ
557 syscon = of_parse_phandle(dev->of_node, "qcom,perst-regs", 0); in qcom_pcie_ep_get_io_resources()
559 dev_dbg(dev, "PERST separation not available\n"); in qcom_pcie_ep_get_io_resources()
568 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
571 dev_err(dev, "No Perst Enable offset in syscon\n"); in qcom_pcie_ep_get_io_resources()
575 ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs", in qcom_pcie_ep_get_io_resources()
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| D | pcie-kirin.c | 63 * Each slot has a different clock source and uses a separate PERST# pin.
80 /* DWC PERST# */
83 /* Per-slot PERST# */
465 /* 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()
723 /* perst assert Endpoint */ in kirin_pcie_power_on()
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| /linux-6.8/drivers/phy/freescale/ |
| D | phy-fsl-imx8m-pcie.c | 64 struct reset_control *perst; member
149 reset_control_deassert(imx8_phy->perst); in imx8_pcie_phy_power_on()
254 imx8_phy->perst = in imx8_pcie_phy_probe()
255 devm_reset_control_get_exclusive(dev, "perst"); in imx8_pcie_phy_probe()
256 if (IS_ERR(imx8_phy->perst)) in imx8_pcie_phy_probe()
257 return dev_err_probe(dev, PTR_ERR(imx8_phy->perst), in imx8_pcie_phy_probe()
258 "Failed to get PCIE PHY PERST control\n"); in imx8_pcie_phy_probe()
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| /linux-6.8/arch/arm64/boot/dts/qcom/ |
| D | sa8295p-adp.dts | 410 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
429 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
446 perst-gpios = <&tlmm 153 GPIO_ACTIVE_LOW>;
463 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
648 perst-n-pins {
671 perst-n-pins {
694 perst-n-pins {
717 perst-n-pins {
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| D | ipq8074-hk10.dtsi | 43 perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
48 perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
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| D | ipq8074-hk01.dts | 57 perst-gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
62 perst-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
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| D | sc8280xp-crd.dts | 528 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
547 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
568 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
847 perst-n-pins {
870 perst-n-pins {
893 perst-n-pins {
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| D | sa8540p-ride.dts | 373 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
394 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
614 perst-pins {
637 perst-pins {
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| D | sc8280xp-lenovo-thinkpad-x13s.dts | 687 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>;
706 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
727 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
1356 perst-n-pins {
1379 perst-n-pins {
1402 perst-n-pins {
1418 perst-n-pins {
1428 perst-n-pins {
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| D | sa8775p-ride.dts | 650 perst-pins {
673 perst-pins {
697 perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>;
707 perst-gpios = <&tlmm 4 GPIO_ACTIVE_LOW>;
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| D | sm8350-hdk.dts | 510 perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
524 perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
777 perst-pins {
800 perst-pins {
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| D | sdm845-mtp.dts | 537 perst-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
553 perst-gpios = <&tlmm 102 GPIO_ACTIVE_LOW>;
673 perst-n-pins {
695 perst-n-pins {
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| D | qcs404-evb.dtsi | 104 perst-gpios = <&tlmm 43 GPIO_ACTIVE_LOW>;
234 perst_state: perst-state {
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| /linux-6.8/Documentation/ABI/testing/ |
| D | sysfs-class-cxl | 220 "none" means PERST will not cause image to be loaded to the
225 "user" and "factory" means PERST will cause either the user or
227 Default is to reload on PERST whichever image the card has
235 Writing 1 will issue a PERST to card provided there are no
238 Writing -1 will do a force PERST irrespective of any active
247 Trust that when an image is reloaded via PERST, it will not
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| /linux-6.8/Documentation/devicetree/bindings/pinctrl/ |
| D | mediatek,mt76x8-pinctrl.yaml | 40 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]
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| /linux-6.8/arch/mips/include/asm/octeon/ |
| D | cvmx-rst-defs.h | 179 uint64_t perst:4; member
185 uint64_t perst:4;
192 uint64_t perst:3; member
198 uint64_t perst:3;
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| /linux-6.8/arch/arm/boot/dts/marvell/ |
| D | armada-388-clearfog.dts | 62 * 1-CON3 PERST#
63 * 2-CON2 PERST#
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| /linux-6.8/Documentation/devicetree/bindings/reset/ |
| D | brcm,bcm4908-misc-pcie-reset.yaml | 9 description: This document describes reset controller handling PCIe PERST#
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| /linux-6.8/arch/arm/boot/dts/qcom/ |
| D | qcom-ipq4019-ap.dk07.1-c1.dts | 14 perst-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
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| D | qcom-sdx55-t55.dts | 253 perst-gpios = <&tlmm 57 GPIO_ACTIVE_LOW>;
294 perst-pins {
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| /linux-6.8/drivers/pci/controller/ |
| D | pcie-apple.c | 520 GPIOD_OUT_LOW, "PERST#"); in apple_pcie_setup_port()
543 /* Assert PERST# before setting up the clock */ in apple_pcie_setup_port()
553 /* Deassert PERST# */ in apple_pcie_setup_port()
557 /* Wait for 100ms after PERST# deassertion (PCIe r5.0, 6.6.1) */ in apple_pcie_setup_port()
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| /linux-6.8/drivers/pinctrl/mediatek/ |
| D | pinctrl-mt76x8.c | 74 static struct mtmips_pmx_func perst_grp[] = { FUNC("perst", 0, 36, 1) };
216 GRP("perst", perst_grp, 1, MT76X8_GPIO_MODE_PERST),
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