Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753447AbdDDJwA (ORCPT ); Tue, 4 Apr 2017 05:52:00 -0400 Received: from hermes.aosc.io ([199.195.250.187]:56815 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751101AbdDDJv5 (ORCPT ); Tue, 4 Apr 2017 05:51:57 -0400 From: Icenowy Zheng To: Maxime Ripard , Chen-Yu Tsai , Rob Herring Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH v4 1/5] dt-bindings: update device tree binding for Allwinner PRCM CCUs Date: Tue, 4 Apr 2017 17:50:56 +0800 Message-Id: <20170404095100.18649-2-icenowy@aosc.io> In-Reply-To: <20170404095100.18649-1-icenowy@aosc.io> References: <20170404095100.18649-1-icenowy@aosc.io> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1899 Lines: 63 From: Icenowy Zheng Many Allwinner SoCs after A31 have a CCU in PRCM block. Give the ones on H3 and A64 compatible strings. Signed-off-by: Icenowy Zheng Acked-by: Rob Herring --- Changes in v4: - Add Rob's ACK. Changes in v3: - Removed frequency info of iosc in this device tree binding document. Changes in v2: - Add iosc for R_CCU's on H3/A64. Documentation/devicetree/bindings/clock/sunxi-ccu.txt | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index 68512aa398a9..e9c5a1d9834a 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -7,9 +7,11 @@ Required properties : - "allwinner,sun8i-a23-ccu" - "allwinner,sun8i-a33-ccu" - "allwinner,sun8i-h3-ccu" + - "allwinner,sun8i-h3-r-ccu" - "allwinner,sun8i-v3s-ccu" - "allwinner,sun9i-a80-ccu" - "allwinner,sun50i-a64-ccu" + - "allwinner,sun50i-a64-r-ccu" - "allwinner,sun50i-h5-ccu" - reg: Must contain the registers base address and length @@ -20,7 +22,10 @@ Required properties : - #clock-cells : must contain 1 - #reset-cells : must contain 1 -Example: +For the PRCM CCUs on H3/A64, one more clock is needed: +- "iosc": the SoC's internal frequency oscillator + +Example for generic CCU: ccu: clock@01c20000 { compatible = "allwinner,sun8i-h3-ccu"; reg = <0x01c20000 0x400>; @@ -29,3 +34,13 @@ ccu: clock@01c20000 { #clock-cells = <1>; #reset-cells = <1>; }; + +Example for PRCM CCU: +r_ccu: clock@01f01400 { + compatible = "allwinner,sun50i-a64-r-ccu"; + reg = <0x01f01400 0x100>; + clocks = <&osc24M>, <&osc32k>, <&iosc>; + clock-names = "hosc", "losc", "iosc"; + #clock-cells = <1>; + #reset-cells = <1>; +}; -- 2.12.2