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/linux/Documentation/devicetree/bindings/mux/
H A Dreg-mux.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/reg-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic register bitfield-based multiplexer controller
10 - Peter Rosin <peda@axentia.se>
19 - reg-mux # parent device of mux controller is not syscon device
20 - mmio-mux # parent device of mux controller is syscon device
22 reg: true
24 '#mux-control-cells':
[all …]
H A Dmux-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/mux-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 A multiplexer (or mux) controller will have one, or several, consumer devices
14 that uses the mux controller. Thus, a mux controller can possibly control
16 multiplexer needed by each consumer, but a single mux controller can of course
19 A mux controller provides a number of states to its consumers, and the state
20 space is a simple zero-based enumeration. I.e. 0-1 for a 2-way multiplexer,
[all …]
/linux/arch/arm/boot/dts/nuvoton/
H A Dnuvoton-wpcm450.dtsi1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
4 #include <dt-bindings/interrupt-controller/irq.h>
8 #address-cells = <1>;
9 #size-cells = <1>;
23 #address-cells = <1>;
24 #size-cells = <0>;
27 compatible = "arm,arm926ej-s";
29 reg = <0>;
33 clk24m: clock-24mhz {
35 compatible = "fixed-clock";
[all …]
/linux/drivers/clk/
H A Dclk-mux.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2011-2012 Mike Turquette, Linaro Ltd <mturquette@linaro.org>
10 #include <linux/clk-provider.h>
21 * prepare - clk_prepare only ensures that parents are prepared
22 * enable - clk_enable only ensures that parents are enabled
23 * rate - rate is only affected by parent switching. No clk_set_rate support
24 * parent - parent is adjustable through clk_set_parent
27 static inline u32 clk_mux_readl(struct clk_mux *mux) in clk_mux_readl() argument
29 if (mux->flags & CLK_MUX_BIG_ENDIAN) in clk_mux_readl()
30 return ioread32be(mux->reg); in clk_mux_readl()
[all …]
/linux/drivers/clk/sophgo/
H A Dclk-cv18xx-ip.c1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/clk-provider.h>
11 #include "clk-cv18xx-ip.h"
25 return cv1800_clk_setbit(&gate->common, &gate->gate); in gate_enable()
32 cv1800_clk_clearbit(&gate->common, &gate->gate); in gate_disable()
39 return cv1800_clk_checkbit(&gate->common, &gate->gate); in gate_is_enabled()
51 req->rate = req->best_parent_rate; in gate_determine_rate()
92 return cv1800_clk_setbit(&div->common, &div->gate); in div_enable()
99 cv1800_clk_clearbit(&div->common, &div->gate); in div_disable()
106 return cv1800_clk_checkbit(&div->common, &div->gate); in div_is_enabled()
[all …]
/linux/Documentation/devicetree/bindings/net/
H A Dmdio-mux-multiplexer.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/mdio-mux-multiplexer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrew Lunn <andrew@lunn.ch>
13 This is a special case of MDIO mux when MDIO mux is defined as a consumer
14 of a mux producer device. The mux producer can be of any type like mmio mux
15 producer, gpio mux producer or generic register based mux producer.
19 - $ref: /schemas/net/mdio-mux.yaml#
23 const: mdio-mux-multiplexer
[all …]
H A Dmdio-mux-mmioreg.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/net/mdio-mux-mmioreg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Properties for an MDIO bus multiplexer controlled by a memory-mapped device
10 - Andrew Lunn <andrew@lunn.ch>
13 This is a special case of a MDIO bus multiplexer. A memory-mapped device,
14 like an FPGA, is used to control which child bus is connected. The mdio-mux
15 node must be a child of the memory-mapped device. The driver currently only
16 supports devices with 8, 16 or 32-bit registers.
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/linux/arch/arm/boot/dts/microchip/
H A Dat91-natte.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * at91-natte.dts - Device Tree include file for the Natte board
11 mux: mux-controller { label
12 compatible = "gpio-mux";
13 #mux-control-cells = <0>;
15 mux-gpios = <&ioexp 0 GPIO_ACTIVE_HIGH>,
20 batntc-mux {
21 compatible = "io-channel-mux";
22 io-channels = <&adc 5>;
23 io-channel-names = "parent";
[all …]
/linux/arch/arm64/boot/dts/amlogic/
H A Dmeson-g12-common.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/phy/phy.h>
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/clock/g12a-clkc.h>
9 #include <dt-bindings/clock/g12a-aoclkc.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 #include <dt-bindings/interrupt-controller/amlogic,meson-g12a-gpio-intc.h>
13 #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
14 #include <dt-bindings/thermal/thermal.h>
[all …]
H A Dmeson-s4.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/interrupt-controller/irq.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/gpio/meson-s4-gpio.h>
10 #include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
11 #include <dt-bindings/clock/amlogic,s4-peripherals-clkc.h>
12 #include <dt-bindings/power/meson-s4-power.h>
13 #include <dt-bindings/reset/amlogic,meson-s4-reset.h>
17 #address-cells = <2>;
[all …]
H A Dmeson-gxl.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-gx.dtsi"
8 #include <dt-bindings/clock/gxbb-clkc.h>
9 #include <dt-bindings/clock/gxbb-aoclkc.h>
10 #include <dt-bindings/gpio/meson-gxl-gpio.h>
11 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
14 compatible = "amlogic,meson-gxl";
18 compatible = "amlogic,meson-gxl-usb-ctrl";
19 reg = <0x0 0xd0078080 0x0 0x20>;
21 #address-cells = <2>;
[all …]
/linux/arch/arm/boot/dts/marvell/
H A Dmmp3.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
6 #include <dt-bindings/clock/marvell,mmp2.h>
7 #include <dt-bindings/power/marvell,mmp2.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
15 #address-cells = <1>;
16 #size-cells = <0>;
17 enable-method = "marvell,mmp3-smp";
22 next-level-cache = <&l2>;
[all …]
H A Dmmp2.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <dt-bindings/clock/marvell,mmp2.h>
8 #include <dt-bindings/power/marvell,mmp2.h>
9 #include <dt-bindings/clock/marvell,mmp2-audio.h>
12 #address-cells = <1>;
13 #size-cells = <1>;
25 #address-cells = <1>;
26 #size-cells = <1>;
27 compatible = "simple-bus";
28 interrupt-parent = <&intc>;
[all …]
/linux/drivers/clk/sprd/
H A Dmux.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/clk-provider.h>
12 #include "mux.h"
15 const struct sprd_mux_ssel *mux) in sprd_mux_helper_get_parent() argument
17 unsigned int reg; in sprd_mux_helper_get_parent() local
22 regmap_read(common->regmap, common->reg, &reg); in sprd_mux_helper_get_parent()
23 parent = reg >> mux->shift; in sprd_mux_helper_get_parent()
24 parent &= (1 << mux->width) - 1; in sprd_mux_helper_get_parent()
26 if (!mux->table) in sprd_mux_helper_get_parent()
29 num_parents = clk_hw_get_num_parents(&common->hw); in sprd_mux_helper_get_parent()
[all …]
/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-ampere-mtjade.dts1 // SPDX-License-Identifier: GPL-2.0+
2 /dts-v1/;
3 #include "aspeed-g5.dtsi"
4 #include <dt-bindings/gpio/aspeed-gpio.h>
8 compatible = "ampere,mtjade-bmc", "aspeed,ast2500";
12 * i2c bus 50-57 assigned to NVMe slot 0-7
24 * i2c bus 60-67 assigned to NVMe slot 8-15
36 * i2c bus 70-77 assigned to NVMe slot 16-23
48 * i2c bus 80-81 assigned to NVMe M2 slot 0-1
60 stdout-path = &uart5;
[all …]
H A Daspeed-bmc-facebook-cmm.dts1 // SPDX-License-Identifier: GPL-2.0+
3 /dts-v1/;
5 #include "ast2500-facebook-netbmc-common.dtsi"
9 compatible = "facebook,cmm-bmc", "aspeed,ast2500";
22 * PCA9548 (1-0077) provides 8 channels for connecting to
35 * PCA9548 (2-0071) provides 8 channels for connecting to
48 * PCA9548 (8-0077) provides 8 channels and the first 4
61 * 2 PCA9548 (18-0070 & 18-0073), 16 channels connecting
82 * 2 PCA9548 (19-0070 & 19-0073), 16 channels connecting
103 * 2 PCA9548 (20-0070 & 20-0073), 16 channels connecting
[all …]
/linux/drivers/clk/sunxi/
H A Dclk-factors.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Adjustable factor-based clock implementation
8 #include <linux/clk-provider.h>
16 #include "clk-factors.h"
19 * DOC: basic adjustable factor-based clock
22 * prepare - clk_prepare only ensures that parents are prepared
23 * enable - clk_enable only ensures that parents are enabled
24 * rate - rate is adjustable.
25 * clk->rate = (parent->rate * N * (K + 1) >> P) / (M + 1)
26 * parent - fixed parent. No clk_set_parent support
[all …]
H A Dclk-a10-mod1.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 #include <linux/clk-provider.h>
24 struct clk_mux *mux; in sun4i_mod1_clk_setup() local
27 const char *clk_name = node->name; in sun4i_mod1_clk_setup()
28 void __iomem *reg; in sun4i_mod1_clk_setup() local
31 reg = of_io_request_and_map(node, 0, of_node_full_name(node)); in sun4i_mod1_clk_setup()
32 if (IS_ERR(reg)) in sun4i_mod1_clk_setup()
35 mux = kzalloc(sizeof(*mux), GFP_KERNEL); in sun4i_mod1_clk_setup()
36 if (!mux) in sun4i_mod1_clk_setup()
43 of_property_read_string(node, "clock-output-names", &clk_name); in sun4i_mod1_clk_setup()
[all …]
/linux/drivers/clk/tegra/
H A Dclk-super.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/clk-provider.h>
28 #define super_state_to_src_shift(m, s) ((m->width * s))
29 #define super_state_to_src_mask(m) (((1 << m->width) - 1))
36 struct tegra_clk_super_mux *mux = to_clk_super_mux(hw); in clk_super_get_parent() local
40 val = readl_relaxed(mux->reg); in clk_super_get_parent()
47 super_state_to_src_shift(mux, SUPER_STATE_IDLE) : in clk_super_get_parent()
48 super_state_to_src_shift(mux, SUPER_STATE_RUN); in clk_super_get_parent()
50 source = (val >> shift) & super_state_to_src_mask(mux); in clk_super_get_parent()
56 if ((mux->flags & TEGRA_DIVIDER_2) && !(val & SUPER_LP_DIV2_BYPASS) && in clk_super_get_parent()
[all …]
/linux/drivers/clk/x86/
H A Dclk-cgu.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2020-2022 MaxLinear, Inc.
8 #include <linux/clk-provider.h>
12 #include "clk-cgu.h"
14 #define GATE_HW_REG_STAT(reg) ((reg) + 0x0) argument
15 #define GATE_HW_REG_EN(reg) ((reg) + 0x4) argument
16 #define GATE_HW_REG_DIS(reg) ((reg) + 0x8) argument
29 if (list->div_flags & CLOCK_FLAG_VAL_INIT) in lgm_clk_register_fixed()
30 lgm_set_clk_val(ctx->membase, list->div_off, list->div_shift, in lgm_clk_register_fixed()
31 list->div_width, list->div_val); in lgm_clk_register_fixed()
[all …]
/linux/drivers/clk/rockchip/
H A Dclk-muxgrf.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/clk-provider.h>
13 u32 reg; member
23 struct rockchip_muxgrf_clock *mux = to_muxgrf_clock(hw); in rockchip_muxgrf_get_parent() local
24 unsigned int mask = GENMASK(mux->width - 1, 0); in rockchip_muxgrf_get_parent()
27 regmap_read(mux->regmap, mux->reg, &val); in rockchip_muxgrf_get_parent()
29 val >>= mux->shift; in rockchip_muxgrf_get_parent()
37 struct rockchip_muxgrf_clock *mux = to_muxgrf_clock(hw); in rockchip_muxgrf_set_parent() local
38 unsigned int mask = GENMASK(mux->width + mux->shift - 1, mux->shift); in rockchip_muxgrf_set_parent()
42 val <<= mux->shift; in rockchip_muxgrf_set_parent()
[all …]
/linux/drivers/clk/uniphier/
H A Dclk-uniphier-mux.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 #include <linux/clk-provider.h>
11 #include "clk-uniphier.h"
16 unsigned int reg; member
25 struct uniphier_clk_mux *mux = to_uniphier_clk_mux(hw); in uniphier_clk_mux_set_parent() local
27 return regmap_write_bits(mux->regmap, mux->reg, mux->masks[index], in uniphier_clk_mux_set_parent()
28 mux->vals[index]); in uniphier_clk_mux_set_parent()
33 struct uniphier_clk_mux *mux = to_uniphier_clk_mux(hw); in uniphier_clk_mux_get_parent() local
39 ret = regmap_read(mux->regmap, mux->reg, &val); in uniphier_clk_mux_get_parent()
44 if ((mux->masks[i] & val) == mux->vals[i]) in uniphier_clk_mux_get_parent()
[all …]
/linux/drivers/mux/
H A Dmmio.c1 // SPDX-License-Identifier: GPL-2.0
3 * MMIO register bitfield-controlled multiplexer driver
12 #include <linux/mux/driver.h>
18 static int mux_mmio_set(struct mux_control *mux, int state) in mux_mmio_set() argument
20 struct regmap_field **fields = mux_chip_priv(mux->chip); in mux_mmio_set()
22 return regmap_field_write(fields[mux_control_get_index(mux)], state); in mux_mmio_set()
30 { .compatible = "mmio-mux", },
31 { .compatible = "reg-mux", },
44 struct device *dev = &pdev->dev; in mux_mmio_probe()
45 struct device_node *np = dev->of_node; in mux_mmio_probe()
[all …]
/linux/sound/soc/codecs/
H A Dtas5086.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * - implement DAPM and input muxing
9 * - implement modulation limit
10 * - implement non-default PWM start
13 * because the registers are of unequal size, and multi-byte registers
18 * it doesn't matter because the entire map can be accessed as 8-bit
21 * routines have to be open-coded.
70 #define TAS5086_CHANNEL_VOL(X) (0x08 + (X)) /* Channel 1-6 volume */
88 * Default TAS5086 power-up configuration
122 static int tas5086_register_size(struct device *dev, unsigned int reg) in tas5086_register_size() argument
[all …]
/linux/drivers/clk/imx/
H A Dclk-composite-7ulp.c1 // SPDX-License-Identifier: GPL-2.0+
9 #include <linux/clk-provider.h>
14 #include "../clk-fractional-divider.h"
39 spin_lock_irqsave(gate->lock, flags); in pcc_gate_enable()
44 val = readl(gate->reg); in pcc_gate_enable()
46 writel(val, gate->reg); in pcc_gate_enable()
48 spin_unlock_irqrestore(gate->lock, flags); in pcc_gate_enable()
73 void __iomem *reg, bool has_swrst) in imx_ulp_clk_hw_composite() argument
78 struct clk_mux *mux = NULL; in imx_ulp_clk_hw_composite() local
82 val = readl(reg); in imx_ulp_clk_hw_composite()
[all …]

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