diff options
| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-03-26 15:53:44 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-06-01 11:13:26 +0200 |
| commit | 00f69ba94d39cb3f1804dbb6769768d070336ab3 (patch) | |
| tree | a92d0639a83501250fc1fc14ff980fcec7eb9829 /arch/arm | |
| parent | ARM: dts: sun4i: Add A10 SRAM and SRAM controller (diff) | |
| download | linux-00f69ba94d39cb3f1804dbb6769768d070336ab3.tar.xz linux-00f69ba94d39cb3f1804dbb6769768d070336ab3.zip | |
ARM: dts: sun5i: Add A10s and A13 SRAM and SRAM controller
The A10s and A13 have a few SRAM that can be mapped either to a device or
to the CPU, with the mapping being controlled by a SRAM controller.
Add the SRAM controller, the SRAM that it drives and the section that can
be used by the various devices.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/sun5i-a10s.dtsi | 9 | ||||
| -rw-r--r-- | arch/arm/boot/dts/sun5i.dtsi | 30 |
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts index 556b2027bbaf..a7e19e4847f7 100644 --- a/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts +++ b/arch/arm/boot/dts/sun5i-a10s-olinuxino-micro.dts @@ -88,6 +88,10 @@ status = "okay"; }; +&emac_sram { + status = "okay"; +}; + &i2c0 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi index 934ecfd145c4..f11efb722bbb 100644 --- a/arch/arm/boot/dts/sun5i-a10s.dtsi +++ b/arch/arm/boot/dts/sun5i-a10s.dtsi @@ -125,6 +125,7 @@ reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; + allwinner,sram = <&emac_sram 1>; status = "disabled"; }; @@ -201,3 +202,11 @@ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; }; }; + +&sram_a { + emac_sram: sram-section@8000 { + compatible = "allwinner,sun4i-a10-sram-a3-a4"; + reg = <0x8000 0x4000>; + status = "disabled"; + }; +}; diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi index 26095aa97ada..54b097830434 100644 --- a/arch/arm/boot/dts/sun5i.dtsi +++ b/arch/arm/boot/dts/sun5i.dtsi @@ -299,6 +299,36 @@ #size-cells = <1>; ranges; + sram-controller@01c00000 { + compatible = "allwinner,sun4i-a10-sram-controller"; + reg = <0x01c00000 0x30>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_a: sram@00000000 { + compatible = "mmio-sram"; + reg = <0x00000000 0xc000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00000000 0xc000>; + }; + + sram_d: sram@00010000 { + compatible = "mmio-sram"; + reg = <0x00010000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00010000 0x1000>; + + otg_sram: sram-section@0000 { + compatible = "allwinner,sun4i-a10-sram-d"; + reg = <0x0000 0x1000>; + status = "disabled"; + }; + }; + }; + dma: dma-controller@01c02000 { compatible = "allwinner,sun4i-a10-dma"; reg = <0x01c02000 0x1000>; |