From: Zong Li <zong.li@sifive.com> To: robh+dt@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, krzysztof.kozlowski@canonical.com, conor.dooley@microchip.com, geert@linux-m68k.org, bin.meng@windriver.com, green.wan@sifive.com, vkoul@kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Zong Li <zong.li@sifive.com> Subject: [PATCH 1/3] riscv: dts: Add dma-channels property in dma node Date: Wed, 5 Jan 2022 13:43:58 +0800 [thread overview] Message-ID: <eeaf4cab4ec44ac95b002cdbf745d328fd46bb60.1641289490.git.zong.li@sifive.com> (raw) In-Reply-To: <cover.1641289490.git.zong.li@sifive.com> Add dma-channels property, then we can determine how many channels there by device tree. Signed-off-by: Zong Li <zong.li@sifive.com> --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 1 + arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index c9f6d205d2ba..3c48f2d7a4a4 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -188,6 +188,7 @@ dma@3000000 { reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic>; interrupts = <23 24 25 26 27 28 29 30>; + dma-channels = <4>; #dma-cells = <1>; }; diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 0655b5c4201d..2bdfe7f06e4b 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -171,6 +171,7 @@ dma: dma@3000000 { reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic0>; interrupts = <23 24 25 26 27 28 29 30>; + dma-channels = <4>; #dma-cells = <1>; }; uart1: serial@10011000 { -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Zong Li <zong.li@sifive.com> To: robh+dt@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, krzysztof.kozlowski@canonical.com, conor.dooley@microchip.com, geert@linux-m68k.org, bin.meng@windriver.com, green.wan@sifive.com, vkoul@kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Zong Li <zong.li@sifive.com> Subject: [PATCH 1/3] riscv: dts: Add dma-channels property in dma node Date: Wed, 5 Jan 2022 13:43:58 +0800 [thread overview] Message-ID: <eeaf4cab4ec44ac95b002cdbf745d328fd46bb60.1641289490.git.zong.li@sifive.com> (raw) In-Reply-To: <cover.1641289490.git.zong.li@sifive.com> Add dma-channels property, then we can determine how many channels there by device tree. Signed-off-by: Zong Li <zong.li@sifive.com> --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 1 + arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index c9f6d205d2ba..3c48f2d7a4a4 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -188,6 +188,7 @@ dma@3000000 { reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic>; interrupts = <23 24 25 26 27 28 29 30>; + dma-channels = <4>; #dma-cells = <1>; }; diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 0655b5c4201d..2bdfe7f06e4b 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -171,6 +171,7 @@ dma: dma@3000000 { reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic0>; interrupts = <23 24 25 26 27 28 29 30>; + dma-channels = <4>; #dma-cells = <1>; }; uart1: serial@10011000 { -- 2.31.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2022-01-05 5:44 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-05 4:38 [PATCH 0/3] Determine number of DMA channels by 'dma-channels' property Zong Li 2022-01-05 5:43 ` Zong Li 2022-01-05 5:43 ` Zong Li 2022-01-05 4:38 ` Zong Li 2022-01-05 5:43 ` Zong Li [this message] 2022-01-05 5:43 ` [PATCH 1/3] riscv: dts: Add dma-channels property in dma node Zong Li 2022-01-05 5:43 ` [PATCH 2/3] dt-bindings: Add dma-channels for pdma device node Zong Li 2022-01-05 5:43 ` Zong Li 2022-01-10 9:00 ` Geert Uytterhoeven 2022-01-10 9:00 ` Geert Uytterhoeven 2022-01-11 1:56 ` Zong Li 2022-01-11 1:56 ` Zong Li 2022-01-05 5:44 ` [PATCH 3/3] dmaengine: sf-pdma: Get number of channel by device tree Zong Li 2022-01-05 5:44 ` Zong Li 2022-01-10 8:57 ` Geert Uytterhoeven 2022-01-10 8:57 ` Geert Uytterhoeven 2022-01-10 10:03 ` Zong Li 2022-01-10 10:03 ` Zong Li
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