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Groups > linux.kernel > #1563631 > unrolled thread

[PATCH 0/8] Renesas CPG/MSSR Reset Control Support

Started byGeert Uytterhoeven <geert+renesas@glider.be>
First post2017-01-20 15:20 +0100
Last post2017-01-20 15:20 +0100
Articles 2 — 1 participant

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Contents

  [PATCH 0/8] Renesas CPG/MSSR Reset Control Support Geert Uytterhoeven <geert+renesas@glider.be> - 2017-01-20 15:20 +0100
    [PATCH 5/8] arm64: dts: r8a7795: Add reset control properties Geert Uytterhoeven <geert+renesas@glider.be> - 2017-01-20 15:20 +0100

#1563631 — [PATCH 0/8] Renesas CPG/MSSR Reset Control Support

FromGeert Uytterhoeven <geert+renesas@glider.be>
Date2017-01-20 15:20 +0100
Subject[PATCH 0/8] Renesas CPG/MSSR Reset Control Support
Message-ID<t1I37-8fg-3@gated-at.bofh.it>
	Hi all,

This patch series adds reset control support to the Renesas Clock Pulse
Generator / Module Standby and Software Reset module, on the R-Car H3
and M3-W, RZ/G1M, and RZ/G1E SoCs.

  - Patch 1 amends the Renesas CPG/MSSR DT bindings for reset control,
  - Patches 2-4 add reset control to the Renesas CPG/MSSR driver,
  - Patches 5-8 add reset control properties to the R-Car H3 and M3-W,
    RZ/G1M, and RZ/G1E DTSes.

Note that this patch series implements reset functionality only.
Actual reset policy is to be defined and implemented separately.

This is an optional feature, to be enabled explicitly using
CONFIG_RESET_CONTROLLER=y.  When enabled, an on-SoC device can be reset
easily using device_reset(), or by using the reset_control_*() API when
more fine-grained control is desired.

Possible use cases are (not exhaustive):
  - Reset a device before use, to make sure it's in a predefined state, and
    doesn't depend on earlier configuration by e.g. the boot loader,
  - Reset a device after detecting an anomaly,
  - Reset a device to verify suspend/resume is handled correctly by the
    driver in case the device would be part of a power domain on a
    different/future SoC.

Dependencies and upstreaming:
  - As patches 1-4 touch a driver under drivers/clk/renesas/, I think
    it's best if they go in through a pull request to the clock
    maintainers, like other Renesas clock driver changes,
  - Patches 5-8 have no dependencies nor impact as long as
    CONFIG_RESET_CONTROLLER=n.
    However, if CONFIG_RESET_CONTROLLER=y and resets properties are
    prsesent in DTS, the EHCI and OHCI drivers already deassert reset as
    part of their initialization sequences, and put the devices back
    into reset state in case initialization failed, or on unbind.
    Hence it's best to apply the DTS patches after the driver support
    has landed upstream.  Else USB on R-Car H3 will fail to initialize
    when booting a kernel with CONFIG_RESET_CONTROLLER=y.
    I'm not aware of other relevant drivers already using reset control.

For your convenience, the driver and DTS changes (incl. dependencies) are
available in the topic/renesas-cpg-mssr-reset-driver-v1 resp.
topic/renesas-cpg-mssr-reset-dts-v1 branches of my topic/rcar-rst-v4 branch of
my renesas-drivers git repository at
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git

This has been tested on the R-Car Gen3 Salvator-X (H3 and M3-W) and the
R-Car M2-W (using out-of-tree driver modifications) Koelsch development
boards, by inspecting device register contents before and after reset,
and by comparing them with their documented reset values.

Thanks for your comments!

Geert Uytterhoeven (8):
  clk: renesas: cpg-mssr: Document reset control support
  clk: renesas: cpg-mssr: Document suitability for RZ/G1
  clk: renesas: cpg-mssr: Rename cpg_mssr_priv.mstp_lock
  clk: renesas: cpg-mssr: Add support for reset control
  arm64: dts: r8a7795: Add reset control properties
  arm64: dts: r8a7796: Add reset control properties
  ARM: dts: r8a7743: Add reset control properties
  ARM: dts: r8a7745: Add reset control properties

 .../devicetree/bindings/clock/renesas,cpg-mssr.txt |   6 +
 arch/arm/boot/dts/r8a7743.dtsi                     |  24 ++++
 arch/arm/boot/dts/r8a7745.dtsi                     |  24 ++++
 arch/arm64/boot/dts/renesas/r8a7795.dtsi           | 103 ++++++++++++++++
 arch/arm64/boot/dts/renesas/r8a7796.dtsi           |  34 ++++++
 drivers/clk/renesas/renesas-cpg-mssr.c             | 134 ++++++++++++++++++++-
 6 files changed, 319 insertions(+), 6 deletions(-)

-- 
1.9.1

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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#1563633 — [PATCH 5/8] arm64: dts: r8a7795: Add reset control properties

FromGeert Uytterhoeven <geert+renesas@glider.be>
Date2017-01-20 15:20 +0100
Subject[PATCH 5/8] arm64: dts: r8a7795: Add reset control properties
Message-ID<t1IcO-8iP-17@gated-at.bofh.it>
In reply to#1563631
Add properties to describe the reset topology for on-SoC devices:
  - Add the "#reset-cells" property to the CPG/MSSR device node,
  - Add resets and reset-names properties to the various device nodes.

This allows to reset SoC devices using the Reset Controller API.

Note that resets usually match the corresponding module clocks.
Exceptions are:
  - The audio module has resets for the Serial Sound Interfaces only,
  - The DU has only 2 resets, one per channel pair.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm64/boot/dts/renesas/r8a7795.dtsi | 103 +++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 0627df2a0b810c86..cdb67944c34166bd 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -169,6 +169,7 @@
 			clocks = <&cpg CPG_MOD 408>;
 			clock-names = "clk";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 408>;
 		};
 
 		wdt0: watchdog@e6020000 {
@@ -176,6 +177,7 @@
 			reg = <0 0xe6020000 0 0x0c>;
 			clocks = <&cpg CPG_MOD 402>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 402>;
 			status = "disabled";
 		};
 
@@ -191,6 +193,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 912>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 912>;
 		};
 
 		gpio1: gpio@e6051000 {
@@ -205,6 +208,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 911>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 911>;
 		};
 
 		gpio2: gpio@e6052000 {
@@ -219,6 +223,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 910>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 910>;
 		};
 
 		gpio3: gpio@e6053000 {
@@ -233,6 +238,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 909>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 909>;
 		};
 
 		gpio4: gpio@e6054000 {
@@ -247,6 +253,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 908>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 908>;
 		};
 
 		gpio5: gpio@e6055000 {
@@ -261,6 +268,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 907>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 907>;
 		};
 
 		gpio6: gpio@e6055400 {
@@ -275,6 +283,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 906>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 906>;
 		};
 
 		gpio7: gpio@e6055800 {
@@ -289,6 +298,7 @@
 			interrupt-controller;
 			clocks = <&cpg CPG_MOD 905>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 905>;
 		};
 
 		pmu_a57 {
@@ -322,6 +332,7 @@
 			clock-names = "extal", "extalr";
 			#clock-cells = <2>;
 			#power-domain-cells = <0>;
+			#reset-cells = <1>;
 		};
 
 		rst: reset-controller@e6160000 {
@@ -369,6 +380,7 @@
 			clocks = <&cpg CPG_MOD 502>;
 			clock-names = "fck";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 502>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
 		};
@@ -402,6 +414,7 @@
 			clocks = <&cpg CPG_MOD 501>;
 			clock-names = "fck";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 501>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
 		};
@@ -424,6 +437,7 @@
 				      GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 407>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 407>;
 		};
 
 		dmac0: dma-controller@e6700000 {
@@ -455,6 +469,7 @@
 			clocks = <&cpg CPG_MOD 219>;
 			clock-names = "fck";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 219>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
 		};
@@ -488,6 +503,7 @@
 			clocks = <&cpg CPG_MOD 218>;
 			clock-names = "fck";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 218>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
 		};
@@ -521,6 +537,7 @@
 			clocks = <&cpg CPG_MOD 217>;
 			clock-names = "fck";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 217>;
 			#dma-cells = <1>;
 			dma-channels = <16>;
 		};
@@ -563,6 +580,7 @@
 					  "ch24";
 			clocks = <&cpg CPG_MOD 812>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 812>;
 			phy-mode = "rgmii-id";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -580,6 +598,7 @@
 			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
 			assigned-clock-rates = <40000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 916>;
 			status = "disabled";
 		};
 
@@ -595,6 +614,7 @@
 			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
 			assigned-clock-rates = <40000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 915>;
 			status = "disabled";
 		};
 
@@ -611,6 +631,7 @@
 			assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>;
 			assigned-clock-rates = <40000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 914>;
 			status = "disabled";
 
 			channel0 {
@@ -635,6 +656,7 @@
 			dmas = <&dmac1 0x31>, <&dmac1 0x30>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 520>;
 			status = "disabled";
 		};
 
@@ -651,6 +673,7 @@
 			dmas = <&dmac1 0x33>, <&dmac1 0x32>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 519>;
 			status = "disabled";
 		};
 
@@ -667,6 +690,7 @@
 			dmas = <&dmac1 0x35>, <&dmac1 0x34>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 518>;
 			status = "disabled";
 		};
 
@@ -683,6 +707,7 @@
 			dmas = <&dmac0 0x37>, <&dmac0 0x36>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 517>;
 			status = "disabled";
 		};
 
@@ -699,6 +724,7 @@
 			dmas = <&dmac0 0x39>, <&dmac0 0x38>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 516>;
 			status = "disabled";
 		};
 
@@ -714,6 +740,7 @@
 			dmas = <&dmac1 0x51>, <&dmac1 0x50>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 207>;
 			status = "disabled";
 		};
 
@@ -729,6 +756,7 @@
 			dmas = <&dmac1 0x53>, <&dmac1 0x52>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 206>;
 			status = "disabled";
 		};
 
@@ -744,6 +772,7 @@
 			dmas = <&dmac1 0x13>, <&dmac1 0x12>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 310>;
 			status = "disabled";
 		};
 
@@ -759,6 +788,7 @@
 			dmas = <&dmac0 0x57>, <&dmac0 0x56>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 204>;
 			status = "disabled";
 		};
 
@@ -774,6 +804,7 @@
 			dmas = <&dmac0 0x59>, <&dmac0 0x58>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 203>;
 			status = "disabled";
 		};
 
@@ -789,6 +820,7 @@
 			dmas = <&dmac1 0x5b>, <&dmac1 0x5a>;
 			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 202>;
 			status = "disabled";
 		};
 
@@ -803,6 +835,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac1 0x91>, <&dmac1 0x90>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 931>;
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -818,6 +851,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac1 0x93>, <&dmac1 0x92>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 930>;
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -833,6 +867,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac1 0x95>, <&dmac1 0x94>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 929>;
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -848,6 +883,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac0 0x97>, <&dmac0 0x96>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 928>;
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -863,6 +899,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac0 0x99>, <&dmac0 0x98>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 927>;
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -878,6 +915,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac0 0x9b>, <&dmac0 0x9a>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 919>;
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -893,6 +931,7 @@
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			dmas = <&dmac0 0x9d>, <&dmac0 0x9c>;
 			dma-names = "tx", "rx";
+			resets = <&cpg 918>;
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -902,6 +941,7 @@
 			reg = <0 0xe6e30000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -911,6 +951,7 @@
 			reg = <0 0xe6e31000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -920,6 +961,7 @@
 			reg = <0 0xe6e32000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -929,6 +971,7 @@
 			reg = <0 0xe6e33000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -938,6 +981,7 @@
 			reg = <0 0xe6e34000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -947,6 +991,7 @@
 			reg = <0 0xe6e35000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -956,6 +1001,7 @@
 			reg = <0 0xe6e36000 0 0x8>;
 			clocks = <&cpg CPG_MOD 523>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
 			#pwm-cells = <2>;
 			status = "disabled";
 		};
@@ -1010,6 +1056,16 @@
 				      "dvc.0", "dvc.1",
 				      "clk_a", "clk_b", "clk_c", "clk_i";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 1005>,
+				 <&cpg 1006>, <&cpg 1007>,
+				 <&cpg 1008>, <&cpg 1009>,
+				 <&cpg 1010>, <&cpg 1011>,
+				 <&cpg 1012>, <&cpg 1013>,
+				 <&cpg 1014>, <&cpg 1015>;
+			reset-names = "ssi-all",
+				      "ssi.9", "ssi.8", "ssi.7", "ssi.6",
+				      "ssi.5", "ssi.4", "ssi.3", "ssi.2",
+				      "ssi.1", "ssi.0";
 			status = "disabled";
 
 			rcar_sound,dvc {
@@ -1152,6 +1208,7 @@
 			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 815>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 815>;
 			status = "disabled";
 		};
 
@@ -1161,6 +1218,7 @@
 			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 328>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 328>;
 			status = "disabled";
 		};
 
@@ -1170,6 +1228,7 @@
 			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 327>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 327>;
 			status = "disabled";
 		};
 
@@ -1182,6 +1241,7 @@
 			interrupt-names = "ch0", "ch1";
 			clocks = <&cpg CPG_MOD 330>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 330>;
 			#dma-cells = <1>;
 			dma-channels = <2>;
 		};
@@ -1195,6 +1255,7 @@
 			interrupt-names = "ch0", "ch1";
 			clocks = <&cpg CPG_MOD 331>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 331>;
 			#dma-cells = <1>;
 			dma-channels = <2>;
 		};
@@ -1206,6 +1267,7 @@
 			clocks = <&cpg CPG_MOD 314>;
 			max-frequency = <200000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 314>;
 			status = "disabled";
 		};
 
@@ -1216,6 +1278,7 @@
 			clocks = <&cpg CPG_MOD 313>;
 			max-frequency = <200000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 313>;
 			status = "disabled";
 		};
 
@@ -1226,6 +1289,7 @@
 			clocks = <&cpg CPG_MOD 312>;
 			max-frequency = <200000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 312>;
 			status = "disabled";
 		};
 
@@ -1236,6 +1300,7 @@
 			clocks = <&cpg CPG_MOD 311>;
 			max-frequency = <200000000>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 311>;
 			status = "disabled";
 		};
 
@@ -1246,6 +1311,7 @@
 			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 703>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
 			#phy-cells = <0>;
 			status = "disabled";
 		};
@@ -1256,6 +1322,7 @@
 			reg = <0 0xee0a0200 0 0x700>;
 			clocks = <&cpg CPG_MOD 702>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 702>;
 			#phy-cells = <0>;
 			status = "disabled";
 		};
@@ -1266,6 +1333,7 @@
 			reg = <0 0xee0c0200 0 0x700>;
 			clocks = <&cpg CPG_MOD 701>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 701>;
 			#phy-cells = <0>;
 			status = "disabled";
 		};
@@ -1278,6 +1346,7 @@
 			phys = <&usb2_phy0>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
 			status = "disabled";
 		};
 
@@ -1289,6 +1358,7 @@
 			phys = <&usb2_phy1>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 702>;
 			status = "disabled";
 		};
 
@@ -1300,6 +1370,7 @@
 			phys = <&usb2_phy2>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 701>;
 			status = "disabled";
 		};
 
@@ -1311,6 +1382,7 @@
 			phys = <&usb2_phy0>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 703>;
 			status = "disabled";
 		};
 
@@ -1322,6 +1394,7 @@
 			phys = <&usb2_phy1>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 702>;
 			status = "disabled";
 		};
 
@@ -1333,6 +1406,7 @@
 			phys = <&usb2_phy2>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 701>;
 			status = "disabled";
 		};
 
@@ -1349,6 +1423,7 @@
 			phys = <&usb2_phy0>;
 			phy-names = "usb";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 704>;
 			status = "disabled";
 		};
 
@@ -1375,6 +1450,7 @@
 			clocks = <&cpg CPG_MOD 319>, <&pcie_bus_clk>;
 			clock-names = "pcie", "pcie_bus";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 319>;
 			status = "disabled";
 		};
 
@@ -1401,6 +1477,7 @@
 			clocks = <&cpg CPG_MOD 318>, <&pcie_bus_clk>;
 			clock-names = "pcie", "pcie_bus";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 318>;
 			status = "disabled";
 		};
 
@@ -1410,6 +1487,7 @@
 			interrupts = <GIC_SPI 465 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 624>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 624>;
 
 			renesas,fcp = <&fcpvb1>;
 		};
@@ -1419,6 +1497,7 @@
 			reg = <0 0xfe92f000 0 0x200>;
 			clocks = <&cpg CPG_MOD 606>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 606>;
 		};
 
 		fcpf0: fcp@fe950000 {
@@ -1426,6 +1505,7 @@
 			reg = <0 0xfe950000 0 0x200>;
 			clocks = <&cpg CPG_MOD 615>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 615>;
 		};
 
 		fcpf1: fcp@fe951000 {
@@ -1433,6 +1513,7 @@
 			reg = <0 0xfe951000 0 0x200>;
 			clocks = <&cpg CPG_MOD 614>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 614>;
 		};
 
 		fcpf2: fcp@fe952000 {
@@ -1440,6 +1521,7 @@
 			reg = <0 0xfe952000 0 0x200>;
 			clocks = <&cpg CPG_MOD 613>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 613>;
 		};
 
 		vspbd: vsp@fe960000 {
@@ -1448,6 +1530,7 @@
 			interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 626>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 626>;
 
 			renesas,fcp = <&fcpvb0>;
 		};
@@ -1457,6 +1540,7 @@
 			reg = <0 0xfe96f000 0 0x200>;
 			clocks = <&cpg CPG_MOD 607>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 607>;
 		};
 
 		vspi0: vsp@fe9a0000 {
@@ -1465,6 +1549,7 @@
 			interrupts = <GIC_SPI 444 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 631>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 631>;
 
 			renesas,fcp = <&fcpvi0>;
 		};
@@ -1474,6 +1559,7 @@
 			reg = <0 0xfe9af000 0 0x200>;
 			clocks = <&cpg CPG_MOD 611>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 611>;
 		};
 
 		vspi1: vsp@fe9b0000 {
@@ -1482,6 +1568,7 @@
 			interrupts = <GIC_SPI 445 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 630>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 630>;
 
 			renesas,fcp = <&fcpvi1>;
 		};
@@ -1491,6 +1578,7 @@
 			reg = <0 0xfe9bf000 0 0x200>;
 			clocks = <&cpg CPG_MOD 610>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 610>;
 		};
 
 		vspi2: vsp@fe9c0000 {
@@ -1499,6 +1587,7 @@
 			interrupts = <GIC_SPI 446 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 629>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 629>;
 
 			renesas,fcp = <&fcpvi2>;
 		};
@@ -1508,6 +1597,7 @@
 			reg = <0 0xfe9cf000 0 0x200>;
 			clocks = <&cpg CPG_MOD 609>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 609>;
 		};
 
 		vspd0: vsp@fea20000 {
@@ -1516,6 +1606,7 @@
 			interrupts = <GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 623>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 623>;
 
 			renesas,fcp = <&fcpvd0>;
 		};
@@ -1525,6 +1616,7 @@
 			reg = <0 0xfea27000 0 0x200>;
 			clocks = <&cpg CPG_MOD 603>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 603>;
 		};
 
 		vspd1: vsp@fea28000 {
@@ -1533,6 +1625,7 @@
 			interrupts = <GIC_SPI 467 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 622>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 622>;
 
 			renesas,fcp = <&fcpvd1>;
 		};
@@ -1542,6 +1635,7 @@
 			reg = <0 0xfea2f000 0 0x200>;
 			clocks = <&cpg CPG_MOD 602>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 602>;
 		};
 
 		vspd2: vsp@fea30000 {
@@ -1550,6 +1644,7 @@
 			interrupts = <GIC_SPI 468 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 621>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 621>;
 
 			renesas,fcp = <&fcpvd2>;
 		};
@@ -1559,6 +1654,7 @@
 			reg = <0 0xfea37000 0 0x200>;
 			clocks = <&cpg CPG_MOD 601>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 601>;
 		};
 
 		vspd3: vsp@fea38000 {
@@ -1567,6 +1663,7 @@
 			interrupts = <GIC_SPI 469 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 620>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 620>;
 
 			renesas,fcp = <&fcpvd3>;
 		};
@@ -1576,6 +1673,7 @@
 			reg = <0 0xfea3f000 0 0x200>;
 			clocks = <&cpg CPG_MOD 600>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			resets = <&cpg 600>;
 		};
 
 		fdp1@fe940000 {
@@ -1584,6 +1682,7 @@
 			interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 119>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 119>;
 			renesas,fcp = <&fcpf0>;
 		};
 
@@ -1593,6 +1692,7 @@
 			interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 118>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 118>;
 			renesas,fcp = <&fcpf1>;
 		};
 
@@ -1602,6 +1702,7 @@
 			interrupts = <GIC_SPI 264 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 117>;
 			power-domains = <&sysc R8A7795_PD_A3VP>;
+			resets = <&cpg 117>;
 			renesas,fcp = <&fcpf2>;
 		};
 
@@ -1620,6 +1721,8 @@
 				 <&cpg CPG_MOD 721>,
 				 <&cpg CPG_MOD 727>;
 			clock-names = "du.0", "du.1", "du.2", "du.3", "lvds.0";
+			resets = <&cpg 724>, <&cpg 722>, <&cpg 727>;
+			reset-names = "du.0-1", "du.2-3", "lvds.0";
 			status = "disabled";
 
 			vsps = <&vspd0 &vspd1 &vspd2 &vspd3>;
-- 
1.9.1

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