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/Linux-v5.15/drivers/soc/bcm/
Dbcm2835-power.c1 // SPDX-License-Identifier: GPL-2.0+
8 #include <dt-bindings/soc/bcm2835-pm.h>
12 #include <linux/mfd/bcm2835-pm.h>
16 #include <linux/reset-controller.h>
109 #define PM_READ(reg) readl(power->base + (reg))
110 #define PM_WRITE(reg, val) writel(PM_PASSWORD | (val), power->base + (reg))
129 #define ASB_READ(reg) readl(power->asb + (reg))
130 #define ASB_WRITE(reg, val) writel(PM_PASSWORD | (val), power->asb + (reg))
164 if (ktime_get_ns() - start >= 1000) in bcm2835_asb_enable()
165 return -ETIMEDOUT; in bcm2835_asb_enable()
[all …]
/Linux-v5.15/drivers/regulator/
Dmax8952.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * max8952.c - Voltage and current regulation for the Maxim 8952
46 int ret = i2c_smbus_read_byte_data(max8952->client, reg); in max8952_read_reg()
57 return i2c_smbus_write_byte_data(max8952->client, reg, value); in max8952_write_reg()
66 return -EINVAL; in max8952_list_voltage()
68 return (max8952->pdata->dvs_mode[selector] * 10 + 770) * 1000; in max8952_list_voltage()
76 if (max8952->vid0) in max8952_get_voltage_sel()
78 if (max8952->vid1) in max8952_get_voltage_sel()
89 if (!max8952->vid0_gpiod || !max8952->vid1_gpiod) { in max8952_set_voltage_sel()
91 return -EPERM; in max8952_set_voltage_sel()
[all …]
/Linux-v5.15/drivers/clk/sifive/
Dsifive-prci.c1 // SPDX-License-Identifier: GPL-2.0
11 #include "sifive-prci.h"
12 #include "fu540-prci.h"
13 #include "fu740-prci.h"
25 * __prci_readl() - read from a PRCI register
26 * @pd: PRCI context
30 * address of the PRCI register target described by @pd, and return
35 * Return: the contents of the register described by @pd and @offs.
37 static u32 __prci_readl(struct __prci_data *pd, u32 offs) in __prci_readl() argument
39 return readl_relaxed(pd->va + offs); in __prci_readl()
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/Linux-v5.15/drivers/soc/samsung/
Dpm_domains.c1 // SPDX-License-Identifier: GPL-2.0
9 // conjunction with runtime-pm. Support for both device-tree and non-device-tree
32 struct generic_pm_domain pd; member
38 struct exynos_pm_domain *pd; in exynos_pd_power() local
43 pd = container_of(domain, struct exynos_pm_domain, pd); in exynos_pd_power()
44 base = pd->base; in exynos_pd_power()
46 pwr = power_on ? pd->local_pwr_cfg : 0; in exynos_pd_power()
52 while ((readl_relaxed(base + 0x4) & pd->local_pwr_cfg) != pwr) { in exynos_pd_power()
54 op = (power_on) ? "enable" : "disable"; in exynos_pd_power()
55 pr_err("Power domain %s %s failed\n", domain->name, op); in exynos_pd_power()
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/Linux-v5.15/drivers/net/ethernet/smsc/
Dsmsc9420.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #include <linux/dma-mapping.h>
25 #define DRV_MDIONAME "smsc9420-mdio"
82 static uint debug = -1;
86 static inline u32 smsc9420_reg_read(struct smsc9420_pdata *pd, u32 offset) in smsc9420_reg_read() argument
88 return ioread32(pd->ioaddr + offset); in smsc9420_reg_read()
92 smsc9420_reg_write(struct smsc9420_pdata *pd, u32 offset, u32 value) in smsc9420_reg_write() argument
94 iowrite32(value, pd->ioaddr + offset); in smsc9420_reg_write()
97 static inline void smsc9420_pci_flush_write(struct smsc9420_pdata *pd) in smsc9420_pci_flush_write() argument
100 smsc9420_reg_read(pd, ID_REV); in smsc9420_pci_flush_write()
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/Linux-v5.15/drivers/i2c/busses/
Di2c-sh_mobile.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2014-19 Wolfram Sang <wsa@sang-engineering.com>
8 * Portions of the code based on out-of-tree driver i2c-sh7343.c
15 #include <linux/dma-mapping.h>
40 /* ICIC: -DTE */
47 /* ICIC: -DTE */
51 /* 3 bytes or more, +---------+ gets repeated */
56 /* 0 byte receive - not supported since slave may hold SDA low */
61 /* ICIC: -DTE | +DTE */
68 /* ICIC: -DTE | +DTE */
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/Linux-v5.15/drivers/clk/qcom/
Dgdsc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2015, 2017-2018, The Linux Foundation. All rights reserved.
16 #include <linux/reset-controller.h>
46 #define domain_to_gdsc(domain) container_of(domain, struct gdsc, pd)
60 if (sc->flags & POLL_CFG_GDSCR) in gdsc_check_status()
61 reg = sc->gdscr + CFG_GDSCR_OFFSET; in gdsc_check_status()
62 else if (sc->gds_hw_ctrl) in gdsc_check_status()
63 reg = sc->gds_hw_ctrl; in gdsc_check_status()
65 reg = sc->gdscr; in gdsc_check_status()
67 ret = regmap_read(sc->regmap, reg, &val); in gdsc_check_status()
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/Linux-v5.15/drivers/media/pci/dt3155/
Ddt3155.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2006-2010 by Marin Mitov *
14 #include <media/v4l2-dev.h>
15 #include <media/v4l2-ioctl.h>
16 #include <media/v4l2-common.h>
17 #include <media/videobuf2-dma-contig.h>
24 * read_i2c_reg - reads an internal i2c register
43 return -EIO; /* error: NEW_CYCLE not cleared */ in read_i2c_reg()
48 return -EIO; /* error: DIRECT_ABORT set */ in read_i2c_reg()
55 * write_i2c_reg - writes to an internal i2c register
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/Linux-v5.15/include/linux/usb/
Dtcpm.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright 2015-2017 Google, Inc
11 #include "pd.h"
59 * struct tcpc_dev - Port configuration and callback functions
64 * and cc=Rp-def. This allows the tcpm to provide a fallback
65 * current-limit detection method for the cc=Rp-def case.
74 * @set_vconn: Called to enable or disable VCONN
75 * @set_vbus: Called to enable or disable VBUS
79 * @set_pd_rx: Called to enable or disable reception of PD messages
82 * Optional; if supported by hardware, called to start dual-role
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/Linux-v5.15/drivers/soc/imx/
Dgpc.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2015-2017 Pengutronix, Lucas Stach <kernel@pengutronix.de>
4 * Copyright 2011-2013 Freescale Semiconductor, Inc.
61 struct imx_pm_domain *pd = to_imx_pm_domain(genpd); in imx6_pm_domain_power_off() local
66 regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PDNSCR_OFFS, &val); in imx6_pm_domain_power_off()
71 regmap_update_bits(pd->regmap, pd->reg_offs + GPC_PGC_CTRL_OFFS, in imx6_pm_domain_power_off()
75 val = BIT(pd->cntr_pdn_bit); in imx6_pm_domain_power_off()
76 regmap_update_bits(pd->regmap, GPC_CNTR, val, val); in imx6_pm_domain_power_off()
79 udelay(DIV_ROUND_UP(iso + iso2sw, pd->ipg_rate_mhz)); in imx6_pm_domain_power_off()
81 if (pd->supply) in imx6_pm_domain_power_off()
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/Linux-v5.15/arch/m68k/68000/
Ddragen2.c1 // SPDX-License-Identifier: GPL-2.0
25 PBDATA |= 0x20; /* disable CCFL light */ in dragen2_reset()
26 PKDATA |= 0x4; /* disable LCD controller */ in dragen2_reset()
68 PDPOL &= ~PD(1); /* active high signal */ in init_dragen2()
69 PDIQEG &= ~PD(1); in init_dragen2()
70 PDIRQEN |= PD(1); /* IRQ enabled */ in init_dragen2()
/Linux-v5.15/drivers/block/paride/
Dpd.c2 pd.c (c) 1997-8 Grant R. Guenther <grant@torque.net>
5 This is the high-level driver for parallel port IDE hard
12 The behaviour of the pd driver can be altered by setting
17 drive1 1-8 integers as follows:
37 <mod> this can be -1 to choose the best mode, or one
39 (-1 if not given)
48 <sby> set this to zero to disable the power saving
52 go more slowly. -1 sets a default value that
56 this to zero will speed up the device. (default -1)
60 choose the slave, -1 (the default) to choose the
[all …]
/Linux-v5.15/drivers/video/fbdev/
Dsh7760fb.c1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 2006-2008 MSC Vertriebsges.m.b.H.,
11 * Thanks to Siegfried Schaefer <s.schaefer at schaefer-edv.de>
19 #include <linux/dma-mapping.h>
34 struct sh7760fb_platdata *pd; /* display information */ member
56 /* wait_for_lps - wait until power supply has reached a certain state. */
60 while (--i && ((ioread16(par->base + LDPMMR) & 3) != val)) in wait_for_lps()
64 return -ETIMEDOUT; in wait_for_lps()
69 /* en/disable the LCDC */
72 struct sh7760fb_par *par = info->par; in sh7760fb_blank()
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/Linux-v5.15/drivers/memory/
Demif.c1 // SPDX-License-Identifier: GPL-2.0-only
32 * struct emif_data - Per device static data for driver's use
37 * to this EMIF - read from MR4 register. If there
42 * @base: base address of memory-mapped IO registers.
46 * frequencies, to avoid re-calculating them on
79 u32 type = emif->plat_data->device_info->type; in do_emif_regdump_show()
80 u32 ip_rev = emif->plat_data->ip_rev; in do_emif_regdump_show()
83 regs->freq/1000000); in do_emif_regdump_show()
85 seq_printf(s, "ref_ctrl_shdw\t: 0x%08x\n", regs->ref_ctrl_shdw); in do_emif_regdump_show()
86 seq_printf(s, "sdram_tim1_shdw\t: 0x%08x\n", regs->sdram_tim1_shdw); in do_emif_regdump_show()
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/Linux-v5.15/arch/arm/mach-omap2/
Dpowerdomain.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2007-2008, 2010 Texas Instruments, Inc.
6 * Copyright (C) 2007-2011 Nokia Corporation
10 * XXX This should be moved to the mach-omap2/ directory at the earliest
45 * PWRDM_HAS_HDWR_SAR - powerdomain has hardware save-and-restore support
47 * PWRDM_HAS_MPU_QUIRK - MPU pwr domain has MEM bank 0 bits in MEM
50 * PWRDM_HAS_LOWPOWERSTATECHANGE - can transition from a sleep state
58 * Number of memory banks that are power-controllable. On OMAP4430, the
77 * struct powerdomain - OMAP powerdomain
85 * @banks: Number of software-controllable memory banks in this powerdomain
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/Linux-v5.15/drivers/net/dsa/sja1105/
Dsja1105_clocking.c1 // SPDX-License-Identifier: BSD-3-Clause
2 /* Copyright 2016-2018 NXP
3 * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com>
47 u64 pd; member
63 u64 pd; member
69 u64 pd; member
99 u64 pd; member
107 sja1105_packing(buf, &idiv->clksrc, 28, 24, size, op); in sja1105_cgu_idiv_packing()
108 sja1105_packing(buf, &idiv->autoblock, 11, 11, size, op); in sja1105_cgu_idiv_packing()
109 sja1105_packing(buf, &idiv->idiv, 5, 2, size, op); in sja1105_cgu_idiv_packing()
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/Linux-v5.15/drivers/gpu/drm/tiny/
Dsimpledrm.c1 // SPDX-License-Identifier: GPL-2.0-only
26 #define DRIVER_DESC "DRM driver for simple-framebuffer platform devices"
52 return -EINVAL; in simplefb_get_validated_int()
64 return -EINVAL; in simplefb_get_validated_int0()
79 return ERR_PTR(-EINVAL); in simplefb_get_validated_format()
83 if (!strcmp(format_name, fmt->name)) { in simplefb_get_validated_format()
84 info = drm_format_info(fmt->fourcc); in simplefb_get_validated_format()
86 return ERR_PTR(-EINVAL); in simplefb_get_validated_format()
95 return ERR_PTR(-EINVAL); in simplefb_get_validated_format()
100 const struct simplefb_platform_data *pd) in simplefb_get_width_pd() argument
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/Linux-v5.15/drivers/clk/davinci/
Dpsc.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #include <linux/clk-provider.h>
15 #define LPSC_ALWAYS_ENABLED BIT(0) /* never disable this clock */
52 * davinci_lpsc_clk_info - LPSC module-specific clock information
57 * @pd: the power domain id
65 u32 pd; member
75 .pd = (d), \
89 /* Device-specific data */
/Linux-v5.15/drivers/clk/renesas/
Dclk-mstp.c1 // SPDX-License-Identifier: GPL-2.0
3 * R-Car MSTP clocks
12 #include <linux/clk-provider.h>
31 * struct mstp_clock_group - MSTP gating clocks group
37 * @width_8bit: registers are 8-bit, not 32-bit
50 * struct mstp_clock - MSTP gating clock
51 * @hw: handle between common and hardware-specific interfaces
66 return group->width_8bit ? readb(reg) : readl(reg); in cpg_mstp_read()
72 group->width_8bit ? writeb(val, reg) : writel(val, reg); in cpg_mstp_write()
78 struct mstp_clock_group *group = clock->group; in cpg_mstp_clock_endisable()
[all …]
/Linux-v5.15/drivers/misc/eeprom/
Deeprom_93xx46.c1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/nvmem-provider.h>
70 return edev->pdata->quirks & EEPROM_93XX46_QUIRK_SINGLE_WORD_READ; in has_quirk_single_word_read()
75 return edev->pdata->quirks & EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH; in has_quirk_instruction_length()
80 return edev->pdata->quirks & EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE; in has_quirk_extra_read_cycle()
91 if (unlikely(off >= edev->size)) in eeprom_93xx46_read()
93 if ((off + count) > edev->size) in eeprom_93xx46_read()
94 count = edev->size - off; in eeprom_93xx46_read()
98 mutex_lock(&edev->lock); in eeprom_93xx46_read()
100 if (edev->pdata->prepare) in eeprom_93xx46_read()
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/Linux-v5.15/drivers/ptp/
Dptp_chardev.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PTP 1588 clock support - character device implementation.
8 #include <linux/posix-clock.h>
32 err = ops->enable(ops, &rq, 0); in ptp_disable_pinfunc()
37 err = ops->enable(ops, &rq, 0); in ptp_disable_pinfunc()
42 return -EINVAL; in ptp_disable_pinfunc()
51 struct ptp_clock_info *info = ptp->info; in ptp_set_pinfunc()
52 struct ptp_pin_desc *pin1 = NULL, *pin2 = &info->pin_config[pin]; in ptp_set_pinfunc()
56 for (i = 0; i < info->n_pins; i++) { in ptp_set_pinfunc()
57 if (info->pin_config[i].func == func && in ptp_set_pinfunc()
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/Linux-v5.15/drivers/firmware/arm_scmi/
Dnotify.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2020-2021 ARM Ltd.
36 * All users provided callbacks and allocated notification-chains are stored in
44 * hash-keys.
54 * pushes the event-data itself on a protocol-dedicated kfifo queue for further
59 * queued items into the proper notification-chain: notifications processing can
65 * conveyed, converted into a custom per-event report struct, as the void *data
73 #define dev_fmt(fmt) "SCMI Notifications - " fmt
74 #define pr_fmt(fmt) "SCMI Notifications - " fmt
115 * Assumes that the stored obj includes its own hash-key in a field named 'key':
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/Linux-v5.15/include/linux/firmware/
Dtrusted_foundations.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
10 * Tegra-based devices sold on the market are concerned). Such devices can only
27 #include <asm/hardware/cache-l2x0.h>
44 void register_trusted_foundations(struct trusted_foundations_platform_data *pd);
54 struct trusted_foundations_platform_data *pd) in register_trusted_foundations() argument
58 * but disable features that cannot be provided. in register_trusted_foundations()
78 if (of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations")) in of_register_trusted_foundations()
/Linux-v5.15/include/linux/
Dblk-cgroup.h1 /* SPDX-License-Identifier: GPL-2.0 */
22 #include <linux/radix-tree.h>
28 /* percpu_counter batch for blkg_[rw]stats, per-cpu drift doesn't matter */
82 * information per blkcg - q pair.
91 /* the blkg and policy id this per-policy data belongs to */
97 * Policies that need to keep per-blkcg data which is independent from any
101 * cpd_init() is invoked to let each policy handle per-blkcg data.
104 /* the blkcg and policy id this per-policy data belongs to */
117 /* all non-root blkcg_gq's are guaranteed to have access to parent */
129 struct blkg_policy_data *pd[BLKCG_MAX_POLS]; member
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/Linux-v5.15/drivers/video/fbdev/omap2/omapfb/displays/
Dencoder-tfp410.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TFP410 DPI-to-DVI encoder driver
33 struct omap_dss_device *in = ddata->in; in tfp410_connect()
37 return -EBUSY; in tfp410_connect()
39 r = in->ops.dpi->connect(in, dssdev); in tfp410_connect()
43 dst->src = dssdev; in tfp410_connect()
44 dssdev->dst = dst; in tfp410_connect()
53 struct omap_dss_device *in = ddata->in; in tfp410_disconnect()
59 WARN_ON(dst != dssdev->dst); in tfp410_disconnect()
60 if (dst != dssdev->dst) in tfp410_disconnect()
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