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>, Palmer Dabbelt <palmer@rivosinc.com> Subject: [PATCH v6 2/3] riscv: dts: Add dma-channels property and modify compatible Date: Fri, 4 Mar 2022 16:42:56 +0800 [thread overview] Message-ID: <df3a3e170af82070b0bfaa03e66b6570718dea77.1646383150.git.zong.li@sifive.com> (raw) In-Reply-To: <cover.1646383150.git.zong.li@sifive.com> Add dma-channels property, then we can determine how many channels there by device tree, in addition, we add the pdma versioning scheme for compatible. Signed-off-by: Zong Li <zong.li@sifive.com> Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 3 ++- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index 869aaf0d5c06..d8869ec99945 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -187,11 +187,12 @@ plic: interrupt-controller@c000000 { }; dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; 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 3eef52b1a59b..6a3011180846 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -168,11 +168,12 @@ uart0: serial@10010000 { status = "disabled"; }; dma: dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; 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>, Palmer Dabbelt <palmer@rivosinc.com> Subject: [PATCH v6 2/3] riscv: dts: Add dma-channels property and modify compatible Date: Fri, 4 Mar 2022 16:42:56 +0800 [thread overview] Message-ID: <df3a3e170af82070b0bfaa03e66b6570718dea77.1646383150.git.zong.li@sifive.com> (raw) In-Reply-To: <cover.1646383150.git.zong.li@sifive.com> Add dma-channels property, then we can determine how many channels there by device tree, in addition, we add the pdma versioning scheme for compatible. Signed-off-by: Zong Li <zong.li@sifive.com> Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 3 ++- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index 869aaf0d5c06..d8869ec99945 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -187,11 +187,12 @@ plic: interrupt-controller@c000000 { }; dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; 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 3eef52b1a59b..6a3011180846 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -168,11 +168,12 @@ uart0: serial@10010000 { status = "disabled"; }; dma: dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; 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:[~2022-03-04 8:43 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-04 8:42 [PATCH v6 0/3] Determine the number of DMA channels by 'dma-channels' property Zong Li 2022-03-04 8:42 ` Zong Li 2022-03-04 8:42 ` [PATCH v6 1/3] dt-bindings: Add dma-channels property and modify compatible Zong Li 2022-03-04 8:42 ` Zong Li 2022-03-04 9:09 ` Krzysztof Kozlowski 2022-03-04 9:09 ` Krzysztof Kozlowski 2022-03-04 10:06 ` Zong Li 2022-03-04 10:06 ` Zong Li 2022-03-04 8:42 ` Zong Li [this message] 2022-03-04 8:42 ` [PATCH v6 2/3] riscv: dts: " Zong Li 2022-03-04 8:42 ` [PATCH v6 3/3] dmaengine: sf-pdma: Get number of channel by device tree Zong Li 2022-03-04 8:42 ` Zong Li
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