* [PATCH 6.1.y-cip 2/3] clk: renesas: r9a09g056: Add entries for the DMACs
2026-03-16 14:34 [PATCH 6.1.y-cip 0/3] Add RZ/V2N DMAC support Ovidiu Panait
2026-03-16 14:34 ` [PATCH 6.1.y-cip 1/3] dt-bindings: dma: rz-dmac: Document RZ/V2N SoC support Ovidiu Panait
@ 2026-03-16 14:34 ` Ovidiu Panait
2026-03-16 14:34 ` [PATCH 6.1.y-cip 3/3] arm64: dts: renesas: r9a09g056: Add DMAC nodes Ovidiu Panait
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Ovidiu Panait @ 2026-03-16 14:34 UTC (permalink / raw)
To: cip-dev, pavel, nobuhiro.iwamatsu.x90
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
commit 75faf216112a69cdbf415fa057abbe7ed2ae6da6 upstream.
Add clock and reset entries for the DMAC IPs.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251125221420.288809-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
---
drivers/clk/renesas/r9a09g056-cpg.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/clk/renesas/r9a09g056-cpg.c b/drivers/clk/renesas/r9a09g056-cpg.c
index b7d66148b42c..b1e8ae47e7f9 100644
--- a/drivers/clk/renesas/r9a09g056-cpg.c
+++ b/drivers/clk/renesas/r9a09g056-cpg.c
@@ -50,6 +50,8 @@ enum clk_ids {
CLK_PLLDTY_ACPU_DIV4,
CLK_PLLDTY_DIV8,
CLK_PLLDTY_DIV16,
+ CLK_PLLDTY_RCPU,
+ CLK_PLLDTY_RCPU_DIV4,
CLK_PLLETH_DIV_250_FIX,
CLK_PLLETH_DIV_125_FIX,
CLK_CSDIV_PLLETH_GBE0,
@@ -173,6 +175,8 @@ static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = {
DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4),
DEF_FIXED(".plldty_div8", CLK_PLLDTY_DIV8, CLK_PLLDTY, 1, 8),
DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16),
+ DEF_DDIV(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64),
+ DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4),
DEF_FIXED(".plleth_250_fix", CLK_PLLETH_DIV_250_FIX, CLK_PLLETH, 1, 4),
DEF_FIXED(".plleth_125_fix", CLK_PLLETH_DIV_125_FIX, CLK_PLLETH_DIV_250_FIX, 1, 2),
@@ -214,6 +218,16 @@ static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = {
};
static const struct rzv2h_mod_clk r9a09g056_mod_clks[] __initconst = {
+ DEF_MOD("dmac_0_aclk", CLK_PLLCM33_GEAR, 0, 0, 0, 0,
+ BUS_MSTOP(5, BIT(9))),
+ DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1,
+ BUS_MSTOP(3, BIT(2))),
+ DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2,
+ BUS_MSTOP(3, BIT(3))),
+ DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3,
+ BUS_MSTOP(10, BIT(11))),
+ DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4,
+ BUS_MSTOP(10, BIT(12))),
DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5,
BUS_MSTOP_NONE),
DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19,
@@ -356,6 +370,11 @@ static const struct rzv2h_mod_clk r9a09g056_mod_clks[] __initconst = {
static const struct rzv2h_reset r9a09g056_resets[] __initconst = {
DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */
+ DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */
+ DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */
+ DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */
+ DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */
+ DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */
DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */
DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */
DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 6.1.y-cip 3/3] arm64: dts: renesas: r9a09g056: Add DMAC nodes
2026-03-16 14:34 [PATCH 6.1.y-cip 0/3] Add RZ/V2N DMAC support Ovidiu Panait
2026-03-16 14:34 ` [PATCH 6.1.y-cip 1/3] dt-bindings: dma: rz-dmac: Document RZ/V2N SoC support Ovidiu Panait
2026-03-16 14:34 ` [PATCH 6.1.y-cip 2/3] clk: renesas: r9a09g056: Add entries for the DMACs Ovidiu Panait
@ 2026-03-16 14:34 ` Ovidiu Panait
2026-03-17 21:57 ` [cip-dev] [PATCH 6.1.y-cip 0/3] Add RZ/V2N DMAC support Pavel Machek
2026-03-18 20:18 ` Pavel Machek
4 siblings, 0 replies; 6+ messages in thread
From: Ovidiu Panait @ 2026-03-16 14:34 UTC (permalink / raw)
To: cip-dev, pavel, nobuhiro.iwamatsu.x90
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
commit 7d8b4a6672ecaa8540bf4041fea09b5ea6d78070 upstream.
Add nodes for the DMAC IPs found on the Renesas RZ/V2N SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251125224533.294235-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
---
arch/arm64/boot/dts/renesas/r9a09g056.dtsi | 165 +++++++++++++++++++++
1 file changed, 165 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
index cfd52a3158ac..3bc7768ec714 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
@@ -319,6 +319,171 @@ xspi: spi@11030000 {
status = "disabled";
};
+ dmac0: dma-controller@11400000 {
+ compatible = "renesas,r9a09g056-dmac", "renesas,r9a09g057-dmac";
+ reg = <0 0x11400000 0 0x10000>;
+ interrupts = <GIC_SPI 499 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 89 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 90 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 91 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 92 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 94 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 95 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 97 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 98 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 99 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 100 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 101 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 103 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 104 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 0x0>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0x31>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ renesas,icu = <&icu 4>;
+ };
+
+ dmac1: dma-controller@14830000 {
+ compatible = "renesas,r9a09g056-dmac", "renesas,r9a09g057-dmac";
+ reg = <0 0x14830000 0 0x10000>;
+ interrupts = <GIC_SPI 495 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 27 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 29 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 31 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 32 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 33 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 35 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 36 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 37 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 38 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 39 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 40 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 0x1>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0x32>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ renesas,icu = <&icu 0>;
+ };
+
+ dmac2: dma-controller@14840000 {
+ compatible = "renesas,r9a09g056-dmac", "renesas,r9a09g057-dmac";
+ reg = <0 0x14840000 0 0x10000>;
+ interrupts = <GIC_SPI 496 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 41 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 42 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 43 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 44 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 45 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 46 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 47 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 48 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 49 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 50 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 51 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 53 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 54 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 55 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 56 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 0x2>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0x33>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ renesas,icu = <&icu 1>;
+ };
+
+ dmac3: dma-controller@12000000 {
+ compatible = "renesas,r9a09g056-dmac", "renesas,r9a09g057-dmac";
+ reg = <0 0x12000000 0 0x10000>;
+ interrupts = <GIC_SPI 497 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 58 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 59 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 60 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 61 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 62 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 63 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 64 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 65 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 67 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 69 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 70 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 71 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 72 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 0x3>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0x34>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ renesas,icu = <&icu 2>;
+ };
+
+ dmac4: dma-controller@12010000 {
+ compatible = "renesas,r9a09g056-dmac", "renesas,r9a09g057-dmac";
+ reg = <0 0x12010000 0 0x10000>;
+ interrupts = <GIC_SPI 498 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 74 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 75 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 77 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 79 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 80 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 81 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 82 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 83 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 84 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 85 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 86 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 87 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch11",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&cpg CPG_MOD 0x4>;
+ power-domains = <&cpg>;
+ resets = <&cpg 0x35>;
+ #dma-cells = <1>;
+ dma-channels = <16>;
+ renesas,icu = <&icu 3>;
+ };
+
ostm0: timer@11800000 {
compatible = "renesas,r9a09g056-ostm", "renesas,ostm";
reg = <0x0 0x11800000 0x0 0x1000>;
--
2.34.1
^ permalink raw reply related [flat|nested] 6+ messages in thread