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| author |   Lee Jones <lee.jones@linaro.org> | 2016-04-21 17:07:00 +0200 |
|---|---|---|
| committer |   Maxime Coquelin <maxime.coquelin@st.com> | 2016-04-26 16:10:28 +0200 |
| commit | fe135c636a5e3c2eb2856366ad3e54849bf06e64 (patch) | |
| tree | 7469aabb19a16c835880471d0d0b55ceb047001d /arch/arm/boot/dts/stih407-family.dtsi | |
| parent | ARM: dts: STiH407: Add nodes for RemoteProc (diff) | |
| download | linux-dev-fe135c636a5e3c2eb2856366ad3e54849bf06e64.tar.xz linux-dev-fe135c636a5e3c2eb2856366ad3e54849bf06e64.zip | |
ARM: dts: STiH407: Move over to using the 'reserved-memory' API for obtaining DMA memory
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 <s-anna@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Diffstat (limited to 'arch/arm/boot/dts/stih407-family.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/stih407-family.dtsi | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index 7cd358b4ec68..33de73616d39 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>; @@ -748,9 +778,9 @@ status = "okay"; }; - st231_gp0: remote-processor@40000000 { + st231_gp0: remote-processor { 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>; @@ -758,9 +788,10 @@ st,syscfg = <&syscfg_core 0x22c>; }; - st231_gp1: remote-processor@41000000 { + + st231_gp1: remote-processor { 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>; @@ -768,9 +799,9 @@ st,syscfg = <&syscfg_core 0x220>; }; - st231_audio: remote-processor@42000000 { + st231_audio: remote-processor { 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>; @@ -778,9 +809,9 @@ st,syscfg = <&syscfg_core 0x228>; }; - st231_dmu: remote-processor@43000000 { + st231_dmu: remote-processor { 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>; |