| /linux/drivers/i2c/busses/ |
| A D | i2c-acorn.c | 19 #define SCL 0x02 macro
32 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setscl()
36 ones |= SCL; in ioc_setscl()
38 ones &= ~SCL; in ioc_setscl()
47 u_int ioc_control = ioc_readb(IOC_CONTROL) & ~(SCL | SDA); in ioc_setsda()
62 return (ioc_readb(IOC_CONTROL) & SCL) != 0; in ioc_getscl()
87 force_ones = FORCE_ONES | SCL | SDA; in i2c_ioc_init()
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| A D | i2c-versatile.c | 20 #define SCL (1 << 0) macro
40 writel(SCL, i2c->base + (state ? I2C_CONTROLS : I2C_CONTROLC)); in i2c_versatile_setscl()
52 return !!(readl(i2c->base + I2C_CONTROL) & SCL); in i2c_versatile_getscl()
79 writel(SCL | SDA, i2c->base + I2C_CONTROLS); in i2c_versatile_probe()
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| /linux/drivers/gpu/drm/amd/display/dc/dce/ |
| A D | dce_i2c_sw.c | 31 #define SCL false macro
87 if (read_bit_from_ddc(ddc, SCL)) in wait_for_scl_high_sw()
115 write_bit_to_ddc(ddc_handle, SCL, true); in write_byte_sw()
120 write_bit_to_ddc(ddc_handle, SCL, false); in write_byte_sw()
136 write_bit_to_ddc(ddc_handle, SCL, true); in write_byte_sw()
147 write_bit_to_ddc(ddc_handle, SCL, false); in write_byte_sw()
170 write_bit_to_ddc(ddc_handle, SCL, true); in read_byte_sw()
199 write_bit_to_ddc(ddc_handle, SCL, true); in read_byte_sw()
204 write_bit_to_ddc(ddc_handle, SCL, false); in read_byte_sw()
233 write_bit_to_ddc(ddc_handle, SCL, true); in stop_sync_sw()
[all …]
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| A D | dce_transform.h | 76 SRI(SCL_MODE, SCL, id), \
77 SRI(SCL_TAP_CONTROL, SCL, id), \
78 SRI(SCL_CONTROL, SCL, id), \
86 SRI(VIEWPORT_START, SCL, id), \
87 SRI(VIEWPORT_SIZE, SCL, id), \
94 SRI(SCL_UPDATE, SCL, id), \
147 SRI(SCL_TAP_CONTROL, SCL, id), \
148 SRI(SCL_CONTROL, SCL, id), \
156 SRI(VIEWPORT_START, SCL, id), \
157 SRI(VIEWPORT_SIZE, SCL, id), \
[all …]
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| /linux/arch/arm/boot/dts/ |
| A D | ste-dbx5x0-pinctrl.dtsi | 132 pins = "GPIO147_C15", "GPIO148_B16"; /* SDA/SCL */
139 pins = "GPIO147_C15", "GPIO148_B16"; /* SDA/SCL */
152 pins = "GPIO16_AD3", "GPIO17_AD4"; /* SDA/SCL */
159 pins = "GPIO16_AD3", "GPIO17_AD4"; /* SDA/SCL */
172 pins = "GPIO8_AD5", "GPIO9_AE4"; /* SDA/SCL */
179 pins = "GPIO8_AD5", "GPIO9_AE4"; /* SDA/SCL */
190 pins = "GPIO10_AF5", "GPIO11_AG4"; /* SDA/SCL */
197 pins = "GPIO10_AF5", "GPIO11_AG4"; /* SDA/SCL */
210 pins = "GPIO229_AG7", "GPIO230_AF7"; /* SDA/SCL */
234 pins = "GPIO4_AH6", "GPIO5_AG6"; /* SDA/SCL */
[all …]
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| A D | tegra30-apalis-eval.dts | 75 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
97 * CAM_I2C: I2C3_SDA/SCL on MXM3 pin 201/203 (e.g. camera sensor on
105 /* DDC: I2C2_SDA/SCL on MXM3 pin 205/207 (e.g. display EDID) */
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| A D | tegra124-apalis-eval.dts | 68 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
88 * GEN2_I2C: I2C2_SDA/SCL (DDC) on MXM3 pin 205/207 (e.g. display EDID)
95 * CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
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| A D | tegra124-apalis-v1.2-eval.dts | 69 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
91 * CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
100 * I2C4 (DDC): I2C4_SDA/SCL (DDC) on MXM3 pin 205/207
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| A D | tegra30-apalis-v1.1-eval.dts | 76 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
98 * CAM_I2C: I2C3_SDA/SCL on MXM3 pin 201/203 (e.g. camera sensor on
106 /* DDC: I2C2_SDA/SCL on MXM3 pin 205/207 (e.g. display EDID) */
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| A D | omap4-sdp-es23plus.dts | 7 /* SDP boards with 4430 ES2.3+ or 4460 have external pullups on SCL & SDA */
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| A D | exynos4412-i9305.dts | 19 /* SCL and SDA pins are swapped */
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| A D | omap4-panda-a4.dts | 10 /* Pandaboard Rev A4+ have external pullups on SCL & SDA */
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| A D | imx6q-apalis-ixora-v1.1.dts | 135 /* I2C1_SDA/SCL on MXM3 209/211 (e.g. RTC on carrier board) */
160 * I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor on carrier
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| A D | imx6q-apalis-ixora.dts | 134 /* I2C1_SDA/SCL on MXM3 209/211 (e.g. RTC on carrier board) */
164 * I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor on carrier
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| /linux/drivers/rtc/ |
| A D | rtc-rs5c313.c | 73 #define SCL SCSPTR1_SPB0DT macro
95 scsptr1_data = __raw_readb(SCSPTR1) | SCL; /* SCL:H */ in rs5c313_init_port()
116 scsptr1_data &= ~SCL; /* SCL:L */ in rs5c313_write_data()
119 scsptr1_data |= SCL; /* SCL:H */ in rs5c313_write_data()
136 scsptr1_data &= ~SCL; /* SCL:L */ in rs5c313_read_data()
139 scsptr1_data |= SCL; /* SCL:H */ in rs5c313_read_data()
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| /linux/Documentation/i2c/ |
| A D | gpio-fault-injection.rst | 23 By reading this file, you get the current state of SCL. By writing, you can
25 "echo 0 > scl" you force SCL low and thus, no communication will be possible
27 the condition of SCL being unresponsive and report an error to the upper
62 being pulled low by the device while SCL is high. So, similar to the "sda" file
65 SDA after toggling SCL.
81 register 0x00 (if it has registers) when further clock pulses happen on SCL.
99 Arbitration lost is achieved by waiting for SCL going down by the master under
104 should be detected beforehand. Also note, that SCL going down is monitored
129 Start of a transfer is detected by waiting for SCL going down by the master
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| /linux/Documentation/devicetree/bindings/i2c/ |
| A D | i2c-rk3x.yaml | 77 SCL frequency to use (in Hz). If omitted, 100kHz is used.
82 Number of nanoseconds the SCL signal takes to rise
90 Number of nanoseconds the SCL signal takes to fall
99 (t(f) in the I2C specification). If not specified we will use the SCL
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| A D | i2c.txt | 38 Number of nanoseconds the SCL signal takes to fall; t(f) in the I2C
42 Number of nanoseconds the IP core additionally needs to setup SCL.
45 Number of nanoseconds the SCL signal takes to rise; t(r) in the I2C
76 add extra pinctrl to configure SCL/SDA pins to GPIO function for bus
80 specify the gpio related to SCL pin. Used for GPIO bus recovery.
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| A D | renesas,rcar-i2c.yaml | 90 Number of nanoseconds the SCL signal takes to fall; t(f) in the I2C
96 Number of nanoseconds the IP core additionally needs to setup SCL.
101 Number of nanoseconds the SCL signal takes to rise; t(r) in the I2C
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| A D | i2c-s3c2410.txt | 20 - gpios: The order of the gpios should be the following: <SDA, SCL>.
45 &gpd1 3 0 /* SCL */>;
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| /linux/Documentation/devicetree/bindings/iio/temperature/ |
| A D | ti,tmp007.yaml | 28 0 SCL 0x43
32 1 SCL 0x47
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| /linux/drivers/gpu/drm/amd/display/dc/gpio/ |
| A D | ddc_regs.h | 171 DDC_I2C_REG_LIST(SCL)\
190 DDC_REG_LIST_DCN2(SCL)\
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| /linux/Documentation/i2c/muxes/ |
| A D | i2c-mux-gpio.rst | 16 | | SCL/SDA | |-------------- | |
25 SCL/SDA of the master I2C bus is multiplexed to bus segment 1..M
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| /linux/Documentation/devicetree/bindings/i3c/ |
| A D | i3c.yaml | 44 Frequency of the SCL signal used for I3C transfers. When undefined, the
51 Frequency of the SCL signal used for I2C transfers. When undefined, the
92 supports high frequency on SCL
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| /linux/Documentation/i2c/busses/ |
| A D | i2c-parport.rst | 57 SCL ----------x--------o |-----------x------------------- pin 2
97 - Obviously you cannot read SCL (so it's not really standard-compliant).
112 SCL ----------x--------x--| o---x------------------------ pin 15
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