From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Wed, 2 May 2018 00:12:27 +0800 Subject: [PATCH net-next v2 15/15] arm64: dts: allwinner: a64: add SRAM controller device tree node In-Reply-To: <20180501161227.2110-1-wens@csie.org> References: <20180501161227.2110-1-wens@csie.org> Message-ID: <20180501161227.2110-16-wens@csie.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Icenowy Zheng Allwinner A64 has a SRAM controller, and in the device tree currently we have a syscon node to enable EMAC driver to access the EMAC clock register. As SRAM controller driver can now export regmap for this register, replace the syscon node to the SRAM controller device node, and let EMAC driver to acquire its EMAC clock regmap. Signed-off-by: Icenowy Zheng Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 23 +++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 1b2ef28c42bd..1c37659d9d41 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -168,10 +168,25 @@ #size-cells = <1>; ranges; - syscon: syscon at 1c00000 { - compatible = "allwinner,sun50i-a64-system-controller", - "syscon"; + sram_controller: sram-controller at 1c00000 { + compatible = "allwinner,sun50i-a64-sram-controller"; reg = <0x01c00000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + sram_c: sram at 18000 { + compatible = "mmio-sram"; + reg = <0x00018000 0x28000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x00018000 0x28000>; + + de2_sram: sram-section at 0 { + compatible = "allwinner,sun50i-a64-sram-c"; + reg = <0x0000 0x28000>; + }; + }; }; dma: dma-controller at 1c02000 { @@ -599,7 +614,7 @@ emac: ethernet at 1c30000 { compatible = "allwinner,sun50i-a64-emac"; - syscon = <&syscon>; + syscon = <&sram_controller>; reg = <0x01c30000 0x10000>; interrupts = ; interrupt-names = "macirq"; -- 2.17.0