| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/i2c/ |
| D | i2c-mux-pinctrl.txt | 1 Pinctrl-based I2C Bus Mux
3 This binding describes an I2C bus multiplexer that uses pin multiplexing to
4 route the I2C signals, and represents the pin multiplexing configuration
7 +-----+ +-----+
9 +------------------------+ +-----+ +-----+
11 | /----|------+--------+
12 | +---+ +------+ | child bus A, on first set of pins
13 | |I2C|---|Pinmux| |
14 | +---+ +------+ | child bus B, on second set of pins
15 | \----|------+--------+--------+
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/ |
| D | i2c-mux-pinctrl.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Pinctrl-based I2C Bus Mux
10 - Wolfram Sang <wsa@kernel.org>
13 This binding describes an I2C bus multiplexer that uses pin multiplexing to route the I2C
17 +-----+ +-----+
19 +------------------------+ +-----+ +-----+
21 | /----|------+--------+
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| /kernel/linux/linux-5.10/drivers/video/fbdev/matrox/ |
| D | i2c-matroxfb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
16 #include <linux/i2c.h>
18 #include <linux/i2c-algo-bit.h>
20 /* MGA-TVO I2C for G200, G400 */
23 /* primary head DDC for Mystique(?), G100, G200, G400 */
26 /* primary head DDC for Millennium, Millennium II */
29 /* secondary head DDC for G400 */
63 /* software I2C functions */
74 matroxfb_i2c_set(b->minfo, b->mask.data, state); in matroxfb_gpio_setsda()
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| /kernel/linux/linux-6.6/drivers/video/fbdev/matrox/ |
| D | i2c-matroxfb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
16 #include <linux/i2c.h>
18 #include <linux/i2c-algo-bit.h>
20 /* MGA-TVO I2C for G200, G400 */
23 /* primary head DDC for Mystique(?), G100, G200, G400 */
26 /* primary head DDC for Millennium, Millennium II */
29 /* secondary head DDC for G400 */
63 /* software I2C functions */
74 matroxfb_i2c_set(b->minfo, b->mask.data, state); in matroxfb_gpio_setsda()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/bridge/ |
| D | display-connector.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/i2c.h>
9 #include <linux/media-bus-format.h>
39 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
47 if (conn->hpd_gpio) { in display_connector_detect()
48 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
54 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
57 switch (conn->bridge.type) { in display_connector_detect()
64 * For DVI and HDMI connectors a DDC probe failure indicates in display_connector_detect()
74 * Composite and S-Video connectors have no other detection in display_connector_detect()
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/rockchip/ |
| D | rockchip,dw-hdmi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Yao <markyao0591@gmail.com>
17 - $ref: ../bridge/synopsys,dw-hdmi.yaml#
22 - rockchip,rk3228-dw-hdmi
23 - rockchip,rk3288-dw-hdmi
24 - rockchip,rk3328-dw-hdmi
25 - rockchip,rk3399-dw-hdmi
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| /kernel/linux/linux-5.10/drivers/gpu/drm/bridge/ |
| D | display-connector.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/i2c.h>
34 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
42 if (conn->hpd_gpio) { in display_connector_detect()
43 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
49 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
52 switch (conn->bridge.type) { in display_connector_detect()
59 * For DVI and HDMI connectors a DDC probe failure indicates in display_connector_detect()
69 * Composite and S-Video connectors have no other detection in display_connector_detect()
71 * an I2C bus, we can't assume that the cable is disconnected in display_connector_detect()
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/mediatek/ |
| D | mediatek,hdmi.txt | 8 - compatible: Should be "mediatek,<chip>-hdmi".
9 - the supported chips are mt2701, mt7623 and mt8173
10 - reg: Physical base address and length of the controller's registers
11 - interrupts: The interrupt signal from the function block.
12 - clocks: device clocks
13 See Documentation/devicetree/bindings/clock/clock-bindings.txt for details.
14 - clock-names: must contain "pixel", "pll", "bclk", and "spdif".
15 - phys: phandle link to the HDMI PHY node.
16 See Documentation/devicetree/bindings/phy/phy-bindings.txt for details.
17 - phy-names: must contain "hdmi"
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/imx/ |
| D | hdmi.txt | 9 following device-specific properties.
14 - compatible : Shall be one of "fsl,imx6q-hdmi" or "fsl,imx6dl-hdmi".
15 - reg: See dw_hdmi.txt.
16 - interrupts: HDMI interrupt number
17 - clocks: See dw_hdmi.txt.
18 - clock-names: Shall contain "iahb" and "isfr" as defined in dw_hdmi.txt.
19 - ports: See dw_hdmi.txt. The DWC HDMI shall have between one and four ports,
22 - gpr : Shall contain a phandle to the iomuxc-gpr region containing the HDMI
27 - ddc-i2c-bus: The HDMI DDC bus can be connected to either a system I2C master
28 or the functionally-reduced I2C master contained in the DWC HDMI. When
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/connector/ |
| D | vga-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/vga-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: vga-connector
18 ddc-i2c-bus:
19 description: phandle link to the I2C controller used for DDC EDID probing
26 - compatible
27 - port
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| D | hdmi-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/hdmi-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: hdmi-connector
19 - a # Standard full size
20 - b # Never deployed?
21 - c # Mini
22 - d # Micro
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| D | dvi-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/dvi-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: dvi-connector
18 hpd-gpios:
22 ddc-i2c-bus:
23 description: phandle link to the I2C controller used for DDC EDID probing
34 dual-link:
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/tegra/ |
| D | nvidia,tegra20-hdmi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
15 pattern: "^hdmi@[0-9a-f]+$"
19 - enum:
20 - nvidia,tegra20-hdmi
21 - nvidia,tegra30-hdmi
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/connector/ |
| D | vga-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/vga-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: vga-connector
18 ddc-i2c-bus:
19 description: phandle link to the I2C controller used for DDC EDID probing
27 - compatible
28 - port
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| D | hdmi-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/hdmi-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: hdmi-connector
19 - a # Standard full size
20 - b # Never deployed?
21 - c # Mini
22 - d # Micro
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| D | dvi-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/dvi-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: dvi-connector
18 hpd-gpios:
22 ddc-i2c-bus:
23 description: phandle link to the I2C controller used for DDC EDID probing
34 dual-link:
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| /kernel/linux/linux-5.10/drivers/gpu/drm/ |
| D | drm_dp_dual_mode_helper.c | 26 #include <linux/i2c.h>
39 * Adaptor registers (if any) and the sink DDC bus may be accessed via I2C.
42 * Adaptor registers and sink DDC bus can be accessed either via I2C or
43 * I2C-over-AUX. Source devices may choose to implement either of these
50 * drm_dp_dual_mode_read - Read from the DP dual mode adaptor register(s)
51 * @adapter: I2C adapter for the DDC bus
68 * As sub-addressing is not supported by all adaptors, in drm_dp_dual_mode_read()
93 return -ENOMEM; in drm_dp_dual_mode_read()
107 return -EPROTO; in drm_dp_dual_mode_read()
114 * drm_dp_dual_mode_write - Write to the DP dual mode adaptor register(s)
[all …]
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/rockchip/ |
| D | dw_hdmi-rockchip.txt | 9 following device-specific properties.
14 - compatible: should be one of the following:
15 "rockchip,rk3228-dw-hdmi"
16 "rockchip,rk3288-dw-hdmi"
17 "rockchip,rk3328-dw-hdmi"
18 "rockchip,rk3399-dw-hdmi"
19 - reg: See dw_hdmi.txt.
20 - reg-io-width: See dw_hdmi.txt. Shall be 4.
21 - interrupts: HDMI interrupt number
22 - clocks: See dw_hdmi.txt.
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/display/ |
| D | drm_dp_dual_mode_helper.c | 26 #include <linux/i2c.h>
40 * Adaptor registers (if any) and the sink DDC bus may be accessed via I2C.
43 * Adaptor registers and sink DDC bus can be accessed either via I2C or
44 * I2C-over-AUX. Source devices may choose to implement either of these
51 * drm_dp_dual_mode_read - Read from the DP dual mode adaptor register(s)
52 * @adapter: I2C adapter for the DDC bus
69 * As sub-addressing is not supported by all adaptors, in drm_dp_dual_mode_read()
94 return -ENOMEM; in drm_dp_dual_mode_read()
108 return -EPROTO; in drm_dp_dual_mode_read()
115 * drm_dp_dual_mode_write - Write to the DP dual mode adaptor register(s)
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/zte/ |
| D | zx_vga.c | 1 // SPDX-License-Identifier: GPL-2.0-only
37 struct zx_vga_i2c *ddc; member
51 struct zx_vga_pwrctrl *pwrctrl = &vga->pwrctrl; in zx_vga_encoder_enable()
54 regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask, in zx_vga_encoder_enable()
55 pwrctrl->mask); in zx_vga_encoder_enable()
57 vou_inf_enable(VOU_VGA, encoder->crtc); in zx_vga_encoder_enable()
63 struct zx_vga_pwrctrl *pwrctrl = &vga->pwrctrl; in zx_vga_encoder_disable()
65 vou_inf_disable(VOU_VGA, encoder->crtc); in zx_vga_encoder_disable()
68 regmap_update_bits(pwrctrl->regmap, pwrctrl->reg, pwrctrl->mask, 0); in zx_vga_encoder_disable()
83 * Clear both detection bits to switch I2C bus from device in zx_vga_connector_get_modes()
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/panel/ |
| D | panel-common.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
43 non-descriptive information. For instance an LCD panel in a system that
55 panel-timing:
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | tegra20-ventana.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
6 #include "tegra20-cpu-opp.dtsi"
13 rtc0 = "/i2c@7000d000/tps6586x@34";
19 stdout-path = "serial0:115200n8";
38 vdd-supply = <&hdmi_vdd_reg>;
39 pll-supply = <&hdmi_pll_reg>;
41 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
42 nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
[all …]
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| /kernel/linux/linux-6.6/drivers/gpu/drm/mediatek/ |
| D | mtk_hdmi_ddc.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/i2c.h>
65 static inline void sif_set_bit(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_set_bit() argument
68 writel(readl(ddc->regs + offset) | val, ddc->regs + offset); in sif_set_bit()
71 static inline void sif_clr_bit(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_clr_bit() argument
74 writel(readl(ddc->regs + offset) & ~val, ddc->regs + offset); in sif_clr_bit()
77 static inline bool sif_bit_is_set(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_bit_is_set() argument
80 return (readl(ddc->regs + offset) & val) == val; in sif_bit_is_set()
83 static inline void sif_write_mask(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_write_mask() argument
89 tmp = readl(ddc->regs + offset); in sif_write_mask()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/mediatek/ |
| D | mtk_hdmi_ddc.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 #include <linux/i2c.h>
62 static inline void sif_set_bit(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_set_bit() argument
65 writel(readl(ddc->regs + offset) | val, ddc->regs + offset); in sif_set_bit()
68 static inline void sif_clr_bit(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_clr_bit() argument
71 writel(readl(ddc->regs + offset) & ~val, ddc->regs + offset); in sif_clr_bit()
74 static inline bool sif_bit_is_set(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_bit_is_set() argument
77 return (readl(ddc->regs + offset) & val) == val; in sif_bit_is_set()
80 static inline void sif_write_mask(struct mtk_hdmi_ddc *ddc, unsigned int offset, in sif_write_mask() argument
86 tmp = readl(ddc->regs + offset); in sif_write_mask()
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/nvidia/ |
| D | tegra20-ventana.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/thermal/thermal.h>
7 #include "tegra20-cpu-opp.dtsi"
8 #include "tegra20-cpu-opp-microvolt.dtsi"
15 rtc0 = "/i2c@7000d000/tps6586x@34";
21 stdout-path = "serial0:115200n8";
40 vdd-supply = <&hdmi_vdd_reg>;
41 pll-supply = <&hdmi_pll_reg>;
[all …]
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