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Searched +full:lpc1850 +full:- +full:creg (Results 1 – 5 of 5) sorted by relevance

/linux/drivers/clk/nxp/
H A Dclk-lpc18xx-creg.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Clk driver for NXP LPC18xx/43xx Configuration Registers (CREG)
8 #include <linux/clk-provider.h>
47 struct clk_creg_data *creg = to_clk_creg(hw); in clk_creg_32k_prepare() local
50 ret = regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0, in clk_creg_32k_prepare()
65 struct clk_creg_data *creg = to_clk_creg(hw); in clk_creg_32k_unprepare() local
67 regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0, in clk_creg_32k_unprepare()
74 struct clk_creg_data *creg = to_clk_creg(hw); in clk_creg_32k_is_prepared() local
77 regmap_read(creg->reg, LPC18XX_CREG_CREG0, &reg); in clk_creg_32k_is_prepared()
91 struct clk_creg_data *creg = to_clk_creg(hw); in clk_creg_enable() local
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/linux/drivers/net/ethernet/stmicro/stmmac/
H A Ddwmac-lpc18xx.c22 /* Register defines for CREG syscon */
44 plat_dat->mac_interface = PHY_INTERFACE_MODE_NA; in lpc18xx_dwmac_probe()
45 plat_dat->has_gmac = true; in lpc18xx_dwmac_probe()
47 reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg"); in lpc18xx_dwmac_probe()
49 dev_err(&pdev->dev, "syscon lookup failed\n"); in lpc18xx_dwmac_probe()
53 if (plat_dat->phy_interface == PHY_INTERFACE_MODE_MII) { in lpc18xx_dwmac_probe()
55 } else if (plat_dat->phy_interface == PHY_INTERFACE_MODE_RMII) { in lpc18xx_dwmac_probe()
58 dev_err(&pdev->dev, "Only MII and RMII mode supported\n"); in lpc18xx_dwmac_probe()
59 return -EINVAL; in lpc18xx_dwmac_probe()
65 return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); in lpc18xx_dwmac_probe()
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/linux/arch/arm/boot/dts/nxp/lpc/
H A Dlpc18xx.dtsi9 * Released under the terms of 3-clause BSD License
14 #include "../../armv7-m.dtsi"
16 #include "dt-bindings/clock/lpc18xx-cgu.h"
17 #include "dt-bindings/clock/lpc18xx-ccu.h"
23 #address-cells = <1>;
24 #size-cells = <1>;
27 #address-cells = <1>;
28 #size-cells = <0>;
31 compatible = "arm,cortex-m3";
40 compatible = "fixed-clock";
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/linux/drivers/dma/
H A Dlpc18xx-dmamux.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
22 /* CREG register offset and macros for mux manipulation */
48 spin_lock_irqsave(&dmamux->lock, flags); in lpc18xx_dmamux_free()
49 mux->busy = false; in lpc18xx_dmamux_free()
50 spin_unlock_irqrestore(&dmamux->lock, flags); in lpc18xx_dmamux_free()
56 struct platform_device *pdev = of_find_device_by_node(ofdma->of_node); in lpc18xx_dmamux_reserve()
61 if (dma_spec->args_count != 3) { in lpc18xx_dmamux_reserve()
62 dev_err(&pdev->dev, "invalid number of dma mux args\n"); in lpc18xx_dmamux_reserve()
63 return ERR_PTR(-EINVAL); in lpc18xx_dmamux_reserve()
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/linux/drivers/phy/
H A Dphy-lpc18xx-usb-otg.c1 // SPDX-License-Identifier: GPL-2.0-only
17 /* USB OTG PHY register offset and bit in CREG */
33 ret = clk_set_rate(lpc->clk, 480000000); in lpc18xx_usb_otg_phy_init()
37 return clk_prepare(lpc->clk); in lpc18xx_usb_otg_phy_init()
44 clk_unprepare(lpc->clk); in lpc18xx_usb_otg_phy_exit()
54 ret = clk_enable(lpc->clk); in lpc18xx_usb_otg_phy_power_on()
58 /* The bit in CREG is cleared to enable the PHY */ in lpc18xx_usb_otg_phy_power_on()
59 ret = regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0, in lpc18xx_usb_otg_phy_power_on()
62 clk_disable(lpc->clk); in lpc18xx_usb_otg_phy_power_on()
74 ret = regmap_update_bits(lpc->reg, LPC18XX_CREG_CREG0, in lpc18xx_usb_otg_phy_power_off()
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