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/openbmc/linux/drivers/hwmon/
H A Dntc_thermistor.c31 unsigned int ohm; member
68 * A compensation table should be sorted by the values of .ohm
74 { .temp_c = -40, .ohm = 1747920 },
75 { .temp_c = -35, .ohm = 1245428 },
76 { .temp_c = -30, .ohm = 898485 },
77 { .temp_c = -25, .ohm = 655802 },
78 { .temp_c = -20, .ohm = 483954 },
79 { .temp_c = -15, .ohm = 360850 },
80 { .temp_c = -10, .ohm = 271697 },
81 { .temp_c = -5, .ohm = 206463 },
[all …]
/openbmc/linux/Documentation/devicetree/bindings/phy/
H A Drockchip-emmc-phy.txt16 - drive-impedance-ohm: Specifies the drive impedance in Ohm.
17 Possible values are 33, 40, 50, 66 and 100.
18 If not set, the default value of 50 will be applied.
40 drive-impedance-ohm = <50>;
/openbmc/linux/Documentation/devicetree/bindings/iio/potentiostat/
H A Dti,lmp91000.yaml32 If the property ti,tia-gain-ohm is not defined this needs to be set to
35 ti,tia-gain-ohm:
41 ti,rload-ohm:
43 enum: [10, 33, 50, 100]
63 ti,tia-gain-ohm = <7000>;
64 ti,rload-ohm = <100>;
/openbmc/linux/drivers/rtc/
H A Drtc-sunplus.c170 * 0 0 1 0.86mA (2K Ohm with diode)
171 * 1 0 1 1.81mA (250 Ohm with diode)
172 * 2 0 1 2.07mA (50 Ohm with diode)
173 * 3 0 1 16.0mA (0 Ohm with diode)
174 * 0 1 1 1.36mA (2K Ohm without diode)
175 * 1 1 1 3.99mA (250 Ohm without diode)
176 * 2 1 1 4.41mA (50 Ohm without diode)
177 * 3 1 1 16.0mA (0 Ohm without diode)
199 case 50: in sp_rtc_set_trickle_charger()
/openbmc/linux/Documentation/devicetree/bindings/display/bridge/
H A Danalogix,anx7625.yaml69 adjust 50ohm impedance of DP tx termination. 00:55 ohm,
70 01:50 ohm(default), 10:45 ohm, 11:40 ohm.
/openbmc/linux/sound/soc/codecs/
H A Dmax98388.c132 static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
216 "10ms", "25ms", "50ms", "75ms", "100ms", "200ms", "300ms", "400ms",
250 "2.00ohm", "2.25ohm", "2.50ohm", "2.75ohm", "3.00ohm", "3.25ohm",
251 "3.50ohm", "3.75ohm", "4.00ohm", "4.25ohm", "4.50ohm", "4.75ohm",
252 "5.00ohm", "5.25ohm", "5.50ohm", "5.75ohm", "6.00ohm", "6.25ohm",
253 "6.50ohm", "6.75ohm", "7.00ohm", "7.25ohm", "7.50ohm", "7.75ohm",
254 "8.00ohm", "8.25ohm", "8.50ohm", "8.75ohm", "9.00ohm", "9.25ohm",
255 "9.50ohm", "9.75ohm", "10.00ohm", "10.25ohm", "10.50ohm", "10.75ohm",
256 "11.00ohm", "11.25ohm", "11.50ohm", "11.75ohm", "12.00ohm", "12.25ohm",
257 "12.50ohm", "12.75ohm", "13.00ohm", "13.25ohm", "13.50ohm", "13.75ohm",
[all …]
H A Dtlv320aic31xx.c278 "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
310 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
312 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
313 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
316 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
317 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
694 {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
695 {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
696 {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
697 {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
[all …]
/openbmc/linux/drivers/iio/potentiometer/
H A Dmax5432.c20 #define MAX5432_OHM_50K (50 * 1000)
28 unsigned long ohm; member
52 if (unlikely(data->ohm > INT_MAX)) in max5432_read_raw()
55 *val = data->ohm; in max5432_read_raw()
102 data->ohm = (unsigned long)device_get_match_data(dev); in max5432_probe()
/openbmc/linux/drivers/phy/rockchip/
H A Dphy-rockchip-naneng-combphy.c442 * Set tx_rterm=50ohm and rx_rterm=44ohm for SATA. in rk3568_combphy_cfg()
443 * 0: 60ohm, 8: 50ohm 15: 44ohm (by step abort 1ohm) in rk3568_combphy_cfg()
648 * Set tx_rterm=50ohm and rx_rterm=44ohm for SATA. in rk3588_combphy_cfg()
649 * 0: 60ohm, 8: 50ohm 15: 44ohm (by step abort 1ohm) in rk3588_combphy_cfg()
H A Dphy-rockchip-emmc.c180 0, 50); in rockchip_emmc_phy_power()
213 * our source clock is at 50 MHz and that lock time scales linearly in rockchip_emmc_phy_power()
223 * generous and give it 50ms. in rockchip_emmc_phy_power()
228 0, 50 * USEC_PER_MSEC); in rockchip_emmc_phy_power()
334 case 50: in convert_drive_impedance_ohm()
342 dev_warn(&pdev->dev, "Invalid value %u for drive-impedance-ohm.\n", in convert_drive_impedance_ohm()
382 if (!of_property_read_u32(dev->of_node, "drive-impedance-ohm", &val)) in rockchip_emmc_phy_probe()
/openbmc/u-boot/arch/arm/dts/
H A Drk3399-gru-kevin.dts56 pullup-ohm = <25500>;
57 pulldown-ohm = <0>;
65 pullup-ohm = <25500>;
66 pulldown-ohm = <0>;
167 i2c-scl-falling-time-ns = <50>;
183 i2c-scl-falling-time-ns = <50>;
/openbmc/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-gru-kevin.dts71 pullup-ohm = <25500>;
72 pulldown-ohm = <0>;
80 pullup-ohm = <25500>;
81 pulldown-ohm = <0>;
186 i2c-scl-falling-time-ns = <50>;
202 i2c-scl-falling-time-ns = <50>;
/openbmc/linux/drivers/pci/controller/dwc/
H A Dpcie-artpec6.c149 retries = 50; in artpec6_pcie_wait_for_phy_a6()
159 retries = 50; in artpec6_pcie_wait_for_phy_a6()
177 retries = 50; in artpec6_pcie_wait_for_phy_a7()
187 retries = 50; in artpec6_pcie_wait_for_phy_a7()
216 val |= PCIECFG_RISRCREN | /* Receiver term. 50 Ohm */ in artpec6_pcie_init_phy_a6()
218 PCIECFG_CISRREN | /* Reference clock term. 100 Ohm */ in artpec6_pcie_init_phy_a6()
254 val |= PCIECFG_RISRCREN | /* Receiver term. 50 Ohm */ in artpec6_pcie_init_phy_a7()
/openbmc/linux/drivers/phy/intel/
H A Dphy-intel-lgm-emmc.c104 0, 50); in intel_emmc_phy_power()
128 * our source clock is at 50 MHz and that lock time scales linearly in intel_emmc_phy_power()
138 * generous and give it 50ms. in intel_emmc_phy_power()
143 0, 50 * USEC_PER_MSEC); in intel_emmc_phy_power()
192 /* Drive impedance: 50 Ohm */ in intel_emmc_phy_power_on()
196 dev_err(&phy->dev, "ERROR set drive-impednce-50ohm: %d\n", ret); in intel_emmc_phy_power_on()
/openbmc/linux/drivers/iio/potentiostat/
H A Dlmp91000.c40 static const int lmp91000_rload[] = { 10, 33, 50, 100 };
211 ret = device_property_read_u32(dev, "ti,tia-gain-ohm", &val); in lmp91000_read_config()
214 dev_err(dev, "no ti,tia-gain-ohm defined and external resistor not specified\n"); in lmp91000_read_config()
230 dev_err(dev, "invalid ti,tia-gain-ohm %d\n", val); in lmp91000_read_config()
234 ret = device_property_read_u32(dev, "ti,rload-ohm", &val); in lmp91000_read_config()
237 dev_info(dev, "no ti,rload-ohm defined, default to %d\n", val); in lmp91000_read_config()
250 dev_err(dev, "invalid ti,rload-ohm %d\n", val); in lmp91000_read_config()
/openbmc/u-boot/board/buffalo/lsxl/
H A Dkwbimage-lsxhl.cfg67 # bit6-0: 0x32, 50 cycle tRFC
114 # bit2: 1, ODT control Rtt[0] (Rtt=1, 75 ohm termination)
116 # bit6: 0, ODT control Rtt[1] (Rtt=1, 75 ohm termination)
197 # bit11-10: 2, M_DQ, M_DM, and M_DQS I/O buffer ODT 75 ohm
198 # bit13-12: 2, M_STARTBURST_IN I/O buffer ODT 75 ohm
/openbmc/linux/arch/arm/boot/dts/st/
H A Dste-hrefv60plus.dtsi25 /* At 50 degrees take down the CPU frequency */
57 pullup-ohm = <220000>;
58 pulldown-ohm = <0>;
66 pullup-ohm = <220000>;
67 pulldown-ohm = <0>;
/openbmc/linux/arch/arm64/boot/dts/ti/
H A Dk3-am62-verdin-wifi.dtsi29 ti,driver-strength-ohm = <50>;
H A Dk3-am6548-iot2050-advanced-common.dtsi50 ti,driver-strength-ohm = <50>;
H A Dk3-j7200-common-proc-board.dts320 ti,driver-strength-ohm = <50>;
331 ti,driver-strength-ohm = <50>;
/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6dl-lanmcu.dts211 threshold = <50>;
363 /* DSE 0x30 => 25 Ohm, 0x20 => 37 Ohm, 0x10 => 75 Ohm */
/openbmc/linux/drivers/staging/pi433/Documentation/
H A Dpi433.txt104 ramp50 - amp ramps up in 50us
197 fifty_ohm - for antennas with an impedance of 50Ohm
198 two_hundred_ohm - for antennas with an impedance of 200Ohm
/openbmc/linux/drivers/phy/mediatek/
H A Dphy-mtk-hdmi-mt8195.c312 * 3G < data rate <= 6G: enable impedance 100ohm, in mtk_hdmi_pll_drv_setting()
315 * enalbe impedance 100ohm in mtk_hdmi_pll_drv_setting()
326 impedance = 0x36; /* 100ohm */ in mtk_hdmi_pll_drv_setting()
331 impedance = 0x36; /* 100ohm */ in mtk_hdmi_pll_drv_setting()
387 usleep_range(30, 50); in mtk_hdmi_pll_prepare()
/openbmc/u-boot/board/keymile/km_arm/
H A Dkwbimage-memphis.cfg170 # bit11-10:2, DQ_ODTSel. ODT select turned on, 75 ohm
171 # bit13-12:3, STARTBURST ODT buffer selected, 50 ohm
/openbmc/linux/Documentation/devicetree/bindings/pinctrl/
H A Dfsl,imx-pinctrl.txt91 0x17059 means enable hysteresis, 47KOhm Pull Up, 50Mhz speed,
92 80Ohm driver strength and Fast Slew Rate.

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