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Searched refs:dmamux (Results 1 – 20 of 20) sorted by relevance

/linux-6.15/drivers/dma/
H A Dlpc18xx-dmamux.c87 if (dmamux->muxes[mux].busy) { in lpc18xx_dmamux_reserve()
95 dmamux->muxes[mux].busy = true; in lpc18xx_dmamux_reserve()
109 return &dmamux->muxes[mux]; in lpc18xx_dmamux_reserve()
118 dmamux = devm_kzalloc(&pdev->dev, sizeof(*dmamux), GFP_KERNEL); in lpc18xx_dmamux_probe()
119 if (!dmamux) in lpc18xx_dmamux_probe()
123 if (IS_ERR(dmamux->reg)) { in lpc18xx_dmamux_probe()
125 return PTR_ERR(dmamux->reg); in lpc18xx_dmamux_probe()
149 dmamux->muxes = devm_kcalloc(&pdev->dev, dmamux->dma_master_requests, in lpc18xx_dmamux_probe()
152 if (!dmamux->muxes) in lpc18xx_dmamux_probe()
155 spin_lock_init(&dmamux->lock); in lpc18xx_dmamux_probe()
[all …]
H A Dlpc32xx-dmamux.c85 guard(spinlock)(&dmamux->lock); in lpc32xx_dmamux_release()
130 spin_lock_irqsave(&dmamux->lock, flags); in lpc32xx_dmamux_reserve()
157 struct lpc32xx_dmamux_data *dmamux; in lpc32xx_dmamux_probe() local
159 dmamux = devm_kzalloc(&pdev->dev, sizeof(*dmamux), GFP_KERNEL); in lpc32xx_dmamux_probe()
160 if (!dmamux) in lpc32xx_dmamux_probe()
164 if (IS_ERR(dmamux->reg)) { in lpc32xx_dmamux_probe()
166 return PTR_ERR(dmamux->reg); in lpc32xx_dmamux_probe()
169 spin_lock_init(&dmamux->lock); in lpc32xx_dmamux_probe()
170 platform_set_drvdata(pdev, dmamux); in lpc32xx_dmamux_probe()
171 dmamux->dmarouter.dev = &pdev->dev; in lpc32xx_dmamux_probe()
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H A DMakefile53 obj-$(CONFIG_LPC18XX_DMAMUX) += lpc18xx-dmamux.o
54 obj-$(CONFIG_LPC32XX_DMAMUX) += lpc32xx-dmamux.o
/linux-6.15/drivers/dma/dw/
H A Drzn1-dmamux.c31 struct rzn1_dmamux_data *dmamux = dev_get_drvdata(dev); in rzn1_dmamux_free() local
36 clear_bit(map->req_idx, dmamux->used_chans); in rzn1_dmamux_free()
87 if (test_and_set_bit(map->req_idx, dmamux->used_chans)) { in rzn1_dmamux_route_allocate()
100 clear_bit(map->req_idx, dmamux->used_chans); in rzn1_dmamux_route_allocate()
119 struct rzn1_dmamux_data *dmamux; in rzn1_dmamux_probe() local
121 dmamux = devm_kzalloc(&pdev->dev, sizeof(*dmamux), GFP_KERNEL); in rzn1_dmamux_probe()
122 if (!dmamux) in rzn1_dmamux_probe()
134 dmamux->dmarouter.dev = &pdev->dev; in rzn1_dmamux_probe()
135 dmamux->dmarouter.route_free = rzn1_dmamux_free; in rzn1_dmamux_probe()
137 platform_set_drvdata(pdev, dmamux); in rzn1_dmamux_probe()
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H A DMakefile13 obj-$(CONFIG_RZN1_DMAMUX) += rzn1-dmamux.o
/linux-6.15/drivers/dma/stm32/
H A Dstm32-dmamux.c71 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_free()
74 clear_bit(mux->chan_id, dmamux->dma_inuse); in stm32_dmamux_free()
78 spin_unlock_irqrestore(&dmamux->lock, flags); in stm32_dmamux_free()
111 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_route_allocate()
113 dmamux->dma_requests); in stm32_dmamux_route_allocate()
115 if (mux->chan_id == dmamux->dma_requests) { in stm32_dmamux_route_allocate()
121 set_bit(mux->chan_id, dmamux->dma_inuse); in stm32_dmamux_route_allocate()
126 i <= dmamux->dma_reqs[0]; in stm32_dmamux_route_allocate()
127 min += dmamux->dma_reqs[i], max += dmamux->dma_reqs[++i]) in stm32_dmamux_route_allocate()
141 spin_lock_irqsave(&dmamux->lock, flags); in stm32_dmamux_route_allocate()
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H A DMakefile3 obj-$(CONFIG_STM32_DMAMUX) += stm32-dmamux.o
/linux-6.15/arch/arm/boot/dts/nxp/lpc/
H A Dlpc18xx.dtsi292 &dmamux 2 1 2
293 &dmamux 11 2 2
308 &dmamux 4 1 2>;
395 &dmamux 8 1 2
396 &dmamux 13 3 2
428 &dmamux 12 2 2
429 &dmamux 3 3 2
430 &dmamux 4 3 2
431 &dmamux 5 2 2
432 &dmamux 6 2 2
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/linux-6.15/Documentation/devicetree/bindings/dma/
H A Dlpc1850-dmamux.txt4 - compatible: "nxp,lpc1850-dmamux"
37 dmamux: dma-mux {
38 compatible = "nxp,lpc1850-dmamux";
51 dmas = <&dmamux 1 1 2
52 &dmamux 2 1 2>;
H A Dnxp,lpc3220-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/nxp,lpc3220-dmamux.yaml#
18 const: nxp,lpc3220-dmamux
43 compatible = "nxp,lpc3220-dmamux";
H A Drenesas,rzn1-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/renesas,rzn1-dmamux.yaml#
17 const: renesas,rzn1-dmamux
46 compatible = "renesas,rzn1-dmamux";
/linux-6.15/arch/arm/boot/dts/renesas/
H A Dr9a06g032.dtsi111 dmamux: dma-router@a0 { label
112 compatible = "renesas,rzn1-dmamux";
214 dmas = <&dmamux 1 0 0 0 1 1>, <&dmamux 0 0 0 0 0 1>;
227 dmas = <&dmamux 3 0 0 0 3 1>, <&dmamux 2 0 0 0 2 1>;
240 dmas = <&dmamux 5 0 0 0 5 1>, <&dmamux 4 0 0 0 4 1>;
253 dmas = <&dmamux 7 0 0 0 7 1>, <&dmamux 6 0 0 0 6 1>;
266 dmas = <&dmamux 5 0 0 0 21 1>, <&dmamux 4 0 0 0 20 1>;
/linux-6.15/Documentation/devicetree/bindings/dma/stm32/
H A Dst,stm32-dmamux.yaml4 $id: http://devicetree.org/schemas/dma/stm32/st,stm32-dmamux.yaml#
30 const: st,stm32h7-dmamux
58 compatible = "st,stm32h7-dmamux";
/linux-6.15/Documentation/devicetree/bindings/clock/
H A Drenesas,r9a06g032-sysctrl.yaml51 $ref: /schemas/dma/renesas,rzn1-dmamux.yaml#
/linux-6.15/drivers/clk/renesas/
H A Dr9a06g032-clocks.c690 u32 dmamux; in r9a06g032_sysctrl_set_dmamux() local
697 dmamux = readl(sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); in r9a06g032_sysctrl_set_dmamux()
698 dmamux &= ~mask; in r9a06g032_sysctrl_set_dmamux()
699 dmamux |= val & mask; in r9a06g032_sysctrl_set_dmamux()
700 writel(dmamux, sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); in r9a06g032_sysctrl_set_dmamux()
/linux-6.15/arch/arm/boot/dts/st/
H A Dstm32h743.dtsi292 compatible = "st,stm32h7-dmamux";
H A Dstm32mp131.dtsi773 compatible = "st,stm32h7-dmamux";
H A Dstm32mp151.dtsi1450 compatible = "st,stm32h7-dmamux";
/linux-6.15/Documentation/arch/arm/stm32/
H A Dstm32-dma-mdma-chaining.rst409 .. _AN5224: https://www.st.com/resource/en/application_note/an5224-stm32-dmamux-the-dma-request-rou…
/linux-6.15/
H A DMAINTAINERS2665 F: drivers/dma/lpc32xx-dmamux.c
2678 F: Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml
23643 F: Documentation/devicetree/bindings/dma/renesas,rzn1-dmamux.yaml