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/Linux-v6.1/Documentation/devicetree/bindings/power/
Damlogic,meson-gx-pwrc.txt1 Amlogic Meson Power Controller
4 The Amlogic Meson SoCs embeds an internal Power domain controller.
6 VPU Power Domain
7 ----------------
13 power-domain.yaml
16 ---------------------
19 - compatible: should be one of the following :
20 - "amlogic,meson-gx-pwrc-vpu" for the Meson GX SoCs
21 - "amlogic,meson-g12a-pwrc-vpu" for the Meson G12A SoCs
22 - #power-domain-cells: should be 0
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Damlogic,meson-ee-pwrc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/power/amlogic,meson-ee-pwrc.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Amlogic Meson Everything-Else Power Domains
11 - Neil Armstrong <neil.armstrong@linaro.org>
14 The Everything-Else Power Domains node should be the child of a syscon
17 - compatible: Should be the following:
18 "amlogic,meson-gx-hhi-sysctrl", "simple-mfd", "syscon"
26 - amlogic,meson8-pwrc
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/Linux-v6.1/arch/arm64/boot/dts/amlogic/
Dmeson-gx.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
12 #include <dt-bindings/gpio/gpio.h>
13 #include <dt-bindings/interrupt-controller/irq.h>
14 #include <dt-bindings/interrupt-controller/arm-gic.h>
15 #include <dt-bindings/power/meson-gxbb-power.h>
16 #include <dt-bindings/thermal/thermal.h>
19 interrupt-parent = <&gic>;
20 #address-cells = <2>;
21 #size-cells = <2>;
29 reserved-memory {
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Dmeson-gxm.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-gxl.dtsi"
10 compatible = "amlogic,meson-gxm";
13 cpu-map {
46 capacity-dmips-mhz = <1024>;
50 capacity-dmips-mhz = <1024>;
54 capacity-dmips-mhz = <1024>;
58 capacity-dmips-mhz = <1024>;
63 compatible = "arm,cortex-a53";
65 enable-method = "psci";
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Dmeson-gxbb.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include "meson-gx.dtsi"
7 #include "meson-gx-mali450.dtsi"
8 #include <dt-bindings/gpio/meson-gxbb-gpio.h>
9 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
10 #include <dt-bindings/clock/gxbb-clkc.h>
11 #include <dt-bindings/clock/gxbb-aoclkc.h>
12 #include <dt-bindings/reset/gxbb-aoclkc.h>
15 compatible = "amlogic,meson-gxbb";
19 compatible = "amlogic,meson-gxbb-usb2-phy";
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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";
21 #address-cells = <2>;
22 #size-cells = <2>;
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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/reset/amlogic,meson-g12a-reset.h>
13 #include <dt-bindings/thermal/thermal.h>
16 interrupt-parent = <&gic>;
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Dmeson-axg.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/clock/axg-aoclkc.h>
7 #include <dt-bindings/clock/axg-audio-clkc.h>
8 #include <dt-bindings/clock/axg-clkc.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/gpio/meson-axg-gpio.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
14 #include <dt-bindings/reset/amlogic,meson-axg-reset.h>
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/Linux-v6.1/Documentation/devicetree/bindings/display/
Damlogic,meson-vpu.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/display/amlogic,meson-vpu.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic Meson Display Controller
11 - Neil Armstrong <neil.armstrong@linaro.org>
14 The Amlogic Meson Display controller is composed of several components
17 DMC|---------------VPU (Video Processing Unit)----------------|------HHI------|
19 D |-------| |----| | | | | HDMI PLL |
20 D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK |
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Damlogic,meson-dw-hdmi.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/display/amlogic,meson-dw-hdmi.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Neil Armstrong <neil.armstrong@linaro.org>
14 - $ref: /schemas/sound/name-prefix.yaml#
17 The Amlogic Meson Synopsys Designware Integration is composed of
18 - A Synopsys DesignWare HDMI Controller IP
19 - A TOP control block controlling the Clocks and PHY
20 - A custom HDMI PHY in order to convert video to TMDS signal
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/Linux-v6.1/drivers/soc/amlogic/
DMakefile1 # SPDX-License-Identifier: GPL-2.0-only
2 obj-$(CONFIG_MESON_CANVAS) += meson-canvas.o
3 obj-$(CONFIG_MESON_CLK_MEASURE) += meson-clk-measure.o
4 obj-$(CONFIG_MESON_GX_SOCINFO) += meson-gx-socinfo.o
5 obj-$(CONFIG_MESON_GX_PM_DOMAINS) += meson-gx-pwrc-vpu.o
6 obj-$(CONFIG_MESON_MX_SOCINFO) += meson-mx-socinfo.o
7 obj-$(CONFIG_MESON_EE_PM_DOMAINS) += meson-ee-pwrc.o
8 obj-$(CONFIG_MESON_SECURE_PM_DOMAINS) += meson-secure-pwrc.o
Dmeson-ee-pwrc.c1 // SPDX-License-Identifier: GPL-2.0+
14 #include <linux/reset-controller.h>
18 #include <dt-bindings/power/meson8-power.h>
19 #include <dt-bindings/power/meson-axg-power.h>
20 #include <dt-bindings/power/meson-g12a-power.h>
21 #include <dt-bindings/power/meson-gxbb-power.h>
22 #include <dt-bindings/power/meson-sm1-power.h>
31 * AO-bus as syscon. 0x3a from GX translates to 0x02, 0x3b translates to 0x03
246 [PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
253 [PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
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Dmeson-gx-pwrc-vpu.c5 * SPDX-License-Identifier: GPL-2.0+
53 regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, in meson_gx_pwrc_vpu_power_off()
59 regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0, in meson_gx_pwrc_vpu_power_off()
64 regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG1, in meson_gx_pwrc_vpu_power_off()
69 regmap_update_bits(pd->regmap_hhi, HHI_MEM_PD_REG0, in meson_gx_pwrc_vpu_power_off()
75 regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, in meson_gx_pwrc_vpu_power_off()
80 clk_disable_unprepare(pd->vpu_clk); in meson_gx_pwrc_vpu_power_off()
81 clk_disable_unprepare(pd->vapb_clk); in meson_gx_pwrc_vpu_power_off()
91 regmap_update_bits(pd->regmap_ao, AO_RTI_GEN_PWR_SLEEP0, in meson_g12a_pwrc_vpu_power_off()
97 regmap_update_bits(pd->regmap_hhi, HHI_VPU_MEM_PD_REG0, in meson_g12a_pwrc_vpu_power_off()
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Dmeson-clk-measure.c1 // SPDX-License-Identifier: GPL-2.0+
140 CLK_MSR_ID(46, "vpu"),
192 CLK_MSR_ID(46, "vpu"),
290 CLK_MSR_ID(46, "vpu"),
407 CLK_MSR_ID(46, "vpu"),
494 struct meson_msr *priv = clk_msr_id->priv; in meson_measure_id()
502 regmap_write(priv->regmap, MSR_CLK_REG0, 0); in meson_measure_id()
505 regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_DURATION, in meson_measure_id()
506 FIELD_PREP(MSR_DURATION, duration - 1)); in meson_measure_id()
509 regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_CLK_SRC, in meson_measure_id()
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/Linux-v6.1/
DMAINTAINERS9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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