From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965128AbcALMro (ORCPT ); Tue, 12 Jan 2016 07:47:44 -0500 Received: from mail-wm0-f48.google.com ([74.125.82.48]:34732 "EHLO mail-wm0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934884AbcALMrj (ORCPT ); Tue, 12 Jan 2016 07:47:39 -0500 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@stlinux.com, maxime.coquelin@st.com, ohad@wizery.com, devicetree@vger.kernel.org, Nathan_Lynch@mentor.com, f.fainelli@gmail.com, ludovic.barre@st.com, s-anna@ti.com, Lee Jones Subject: [PATCH v5 7/7] ARM: STiH407: Move over to using the 'reserved-memory' API for obtaining DMA memory Date: Tue, 12 Jan 2016 12:46:21 +0000 Message-Id: <1452602781-22424-8-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> References: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Doing so saves quite a bit of code in the driver. For more information on the 'reserved-memory' bindings see: Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt Suggested-by: Suman Anna Signed-off-by: Lee Jones --- arch/arm/boot/dts/stih407-family.dtsi | 46 +++++++++++++++++++++++++++++------ 1 file changed, 38 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index 15c20b6..27b8efc 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -15,6 +15,36 @@ #address-cells = <1>; #size-cells = <1>; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + gp0_reserved: rproc@40000000 { + compatible = "shared-dma-pool"; + reg = <0x40000000 0x01000000>; + no-map; + }; + + gp1_reserved: rproc@41000000 { + compatible = "shared-dma-pool"; + reg = <0x41000000 0x01000000>; + no-map; + }; + + audio_reserved: rproc@42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + dmu_reserved: rproc@43000000 { + compatible = "shared-dma-pool"; + reg = <0x43000000 0x01000000>; + no-map; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -651,9 +681,9 @@ status = "okay"; }; - st231_gp0: st231-gp0@40000000 { + st231_gp0: st231-gp0 { compatible = "st,st231-rproc"; - reg = <0x40000000 0x01000000>; + memory-region = <&gp0_reserved>; resets = <&softreset STIH407_ST231_GP0_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_GP_0>; @@ -661,9 +691,9 @@ st,syscfg = <&syscfg_core 0x22c>; }; - st231_gp1: st231-gp1@41000000 { + st231_gp1: st231-gp1 { compatible = "st,st231-rproc"; - reg = <0x41000000 0x01000000>; + memory-region = <&gp1_reserved>; resets = <&softreset STIH407_ST231_GP1_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_GP_1>; @@ -671,9 +701,9 @@ st,syscfg = <&syscfg_core 0x220>; }; - st231_audio: st231-audio@42000000 { + st231_audio: st231-audio { compatible = "st,st231-rproc"; - reg = <0x42000000 0x01000000>; + memory-region = <&audio_reserved>; resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; @@ -681,9 +711,9 @@ st,syscfg = <&syscfg_core 0x228>; }; - st231_dmu: st231-dmu@43000000 { + st231_dmu: st231-dmu { compatible = "st,st231-rproc"; - reg = <0x43000000 0x01000000>; + memory-region = <&dmu_reserved>; resets = <&softreset STIH407_ST231_DMU_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_DMU>; -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Tue, 12 Jan 2016 12:46:21 +0000 Subject: [PATCH v5 7/7] ARM: STiH407: Move over to using the 'reserved-memory' API for obtaining DMA memory In-Reply-To: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> References: <1452602781-22424-1-git-send-email-lee.jones@linaro.org> Message-ID: <1452602781-22424-8-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Doing so saves quite a bit of code in the driver. For more information on the 'reserved-memory' bindings see: Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt Suggested-by: Suman Anna Signed-off-by: Lee Jones --- arch/arm/boot/dts/stih407-family.dtsi | 46 +++++++++++++++++++++++++++++------ 1 file changed, 38 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index 15c20b6..27b8efc 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -15,6 +15,36 @@ #address-cells = <1>; #size-cells = <1>; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + gp0_reserved: rproc at 40000000 { + compatible = "shared-dma-pool"; + reg = <0x40000000 0x01000000>; + no-map; + }; + + gp1_reserved: rproc at 41000000 { + compatible = "shared-dma-pool"; + reg = <0x41000000 0x01000000>; + no-map; + }; + + audio_reserved: rproc at 42000000 { + compatible = "shared-dma-pool"; + reg = <0x42000000 0x01000000>; + no-map; + }; + + dmu_reserved: rproc at 43000000 { + compatible = "shared-dma-pool"; + reg = <0x43000000 0x01000000>; + no-map; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -651,9 +681,9 @@ status = "okay"; }; - st231_gp0: st231-gp0 at 40000000 { + st231_gp0: st231-gp0 { compatible = "st,st231-rproc"; - reg = <0x40000000 0x01000000>; + memory-region = <&gp0_reserved>; resets = <&softreset STIH407_ST231_GP0_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_GP_0>; @@ -661,9 +691,9 @@ st,syscfg = <&syscfg_core 0x22c>; }; - st231_gp1: st231-gp1 at 41000000 { + st231_gp1: st231-gp1 { compatible = "st,st231-rproc"; - reg = <0x41000000 0x01000000>; + memory-region = <&gp1_reserved>; resets = <&softreset STIH407_ST231_GP1_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_GP_1>; @@ -671,9 +701,9 @@ st,syscfg = <&syscfg_core 0x220>; }; - st231_audio: st231-audio at 42000000 { + st231_audio: st231-audio { compatible = "st,st231-rproc"; - reg = <0x42000000 0x01000000>; + memory-region = <&audio_reserved>; resets = <&softreset STIH407_ST231_AUD_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_AUD_0>; @@ -681,9 +711,9 @@ st,syscfg = <&syscfg_core 0x228>; }; - st231_dmu: st231-dmu at 43000000 { + st231_dmu: st231-dmu { compatible = "st,st231-rproc"; - reg = <0x43000000 0x01000000>; + memory-region = <&dmu_reserved>; resets = <&softreset STIH407_ST231_DMU_SOFTRESET>; reset-names = "sw_reset"; clocks = <&clk_s_c0_flexgen CLK_ST231_DMU>; -- 1.9.1