From: Jeffy Chen <jeffy.chen@rock-chips.com> To: linux-kernel@vger.kernel.org Cc: jcliang@chromium.org, robin.murphy@arm.com, xxm@rock-chips.com, tfiga@chromium.org, Jeffy Chen <jeffy.chen@rock-chips.com>, devicetree@vger.kernel.org, Heiko Stuebner <heiko@sntech.de>, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Joerg Roedel <joro@8bytes.org>, linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 09/14] dt-bindings: iommu/rockchip: Add clock property Date: Tue, 6 Mar 2018 11:21:08 +0800 [thread overview] Message-ID: <20180306032113.22247-6-jeffy.chen@rock-chips.com> (raw) In-Reply-To: <20180306032113.22247-1-jeffy.chen@rock-chips.com> Add clock property, since we are going to control clocks in rockchip iommu driver. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Reviewed-by: Rob Herring <robh@kernel.org> --- Changes in v7: None Changes in v6: Fix dt-binding as Robin suggested. Use aclk and iface clk as Rob and Robin suggested, and split binding patch. Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt index 2098f7732264..6ecefea1c6f9 100644 --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt @@ -14,6 +14,11 @@ Required properties: "single-master" device, and needs no additional information to associate with its master device. See: Documentation/devicetree/bindings/iommu/iommu.txt +- clocks : A list of clocks required for the IOMMU to be accessible by + the host CPU. +- clock-names : Should contain the following: + "iface" - Main peripheral bus clock (PCLK/HCL) (required) + "aclk" - AXI bus clock (required) Optional properties: - rockchip,disable-mmu-reset : Don't use the mmu reset operation. @@ -27,5 +32,7 @@ Example: reg = <0xff940300 0x100>; interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "vopl_mmu"; + clocks = <&cru ACLK_VOP1>, <&cru HCLK_VOP1>; + clock-names = "aclk", "iface"; #iommu-cells = <0>; }; -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: jeffy.chen@rock-chips.com (Jeffy Chen) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 09/14] dt-bindings: iommu/rockchip: Add clock property Date: Tue, 6 Mar 2018 11:21:08 +0800 [thread overview] Message-ID: <20180306032113.22247-6-jeffy.chen@rock-chips.com> (raw) In-Reply-To: <20180306032113.22247-1-jeffy.chen@rock-chips.com> Add clock property, since we are going to control clocks in rockchip iommu driver. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Reviewed-by: Rob Herring <robh@kernel.org> --- Changes in v7: None Changes in v6: Fix dt-binding as Robin suggested. Use aclk and iface clk as Rob and Robin suggested, and split binding patch. Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt index 2098f7732264..6ecefea1c6f9 100644 --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt @@ -14,6 +14,11 @@ Required properties: "single-master" device, and needs no additional information to associate with its master device. See: Documentation/devicetree/bindings/iommu/iommu.txt +- clocks : A list of clocks required for the IOMMU to be accessible by + the host CPU. +- clock-names : Should contain the following: + "iface" - Main peripheral bus clock (PCLK/HCL) (required) + "aclk" - AXI bus clock (required) Optional properties: - rockchip,disable-mmu-reset : Don't use the mmu reset operation. @@ -27,5 +32,7 @@ Example: reg = <0xff940300 0x100>; interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "vopl_mmu"; + clocks = <&cru ACLK_VOP1>, <&cru HCLK_VOP1>; + clock-names = "aclk", "iface"; #iommu-cells = <0>; }; -- 2.11.0
next prev parent reply other threads:[~2018-03-06 3:22 UTC|newest] Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-06 3:02 [PATCH v7 00/14] iommu/rockchip: Use OF_IOMMU Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-06 3:02 ` [PATCH v7 01/14] iommu/rockchip: Prohibit unbind and remove Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-07 12:55 ` Robin Murphy 2018-03-07 12:55 ` Robin Murphy 2018-03-06 3:02 ` [PATCH v7 02/14] iommu/rockchip: Fix error handling in probe Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-07 12:59 ` Robin Murphy 2018-03-07 12:59 ` Robin Murphy 2018-03-07 12:59 ` Robin Murphy 2018-03-06 3:02 ` [PATCH v7 03/14] iommu/rockchip: Request irqs in rk_iommu_probe() Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-06 3:02 ` Jeffy Chen 2018-03-07 13:00 ` Robin Murphy 2018-03-07 13:00 ` Robin Murphy 2018-03-07 13:00 ` Robin Murphy 2018-03-06 3:21 ` [PATCH v7 04/14] iommu/rockchip: Fix error handling in attach Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` [PATCH v7 05/14] iommu/rockchip: Use iopoll helpers to wait for hardware Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` [PATCH v7 06/14] iommu/rockchip: Fix TLB flush of secondary IOMMUs Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` [PATCH v7 07/14] ARM: dts: rockchip: add clocks in iommu nodes Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` [PATCH v7 08/14] iommu/rockchip: Control clocks needed to access the IOMMU Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen 2018-03-06 3:21 ` Jeffy Chen [this message] 2018-03-06 3:21 ` [PATCH v7 09/14] dt-bindings: iommu/rockchip: Add clock property Jeffy Chen 2018-03-07 13:01 ` Robin Murphy 2018-03-07 13:01 ` Robin Murphy 2018-03-07 13:01 ` Robin Murphy 2018-03-06 3:27 ` [PATCH v7 10/14] iommu/rockchip: Use IOMMU device for dma mapping operations Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` [PATCH v7 11/14] iommu/rockchip: Use OF_IOMMU to attach devices automatically Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` [PATCH v7 12/14] iommu/rockchip: Fix error handling in init Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` [PATCH v7 13/14] iommu/rockchip: Add runtime PM support Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen 2018-03-06 10:07 ` Tomasz Figa 2018-03-06 10:07 ` Tomasz Figa 2018-03-06 10:07 ` Tomasz Figa [not found] ` <CAAFQd5DPewKda7ThqMGKRvnArZ0X8ChD10E06nLZaNa-SBNdwA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2018-03-07 3:16 ` JeffyChen 2018-03-07 3:26 ` Tomasz Figa 2018-03-07 3:26 ` Tomasz Figa 2018-03-07 3:24 ` Tomasz Figa 2018-03-07 3:24 ` Tomasz Figa 2018-03-06 3:27 ` [PATCH v7 14/14] iommu/rockchip: Support sharing IOMMU between masters Jeffy Chen 2018-03-06 3:27 ` Jeffy Chen
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