From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: [PATCH v2 08/26] clk: sun5i: add DRAM gates Date: Thu, 14 Jan 2016 16:24:51 +0100 Message-ID: <1452785109-6172-9-git-send-email-maxime.ripard@free-electrons.com> References: <1452785109-6172-1-git-send-email-maxime.ripard@free-electrons.com> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1452785109-6172-1-git-send-email-maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Mike Turquette , Stephen Boyd , David Airlie , Thierry Reding , Philipp Zabel Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Laurent Pinchart , Chen-Yu Tsai , Hans de Goede , Alexander Kaplan , Boris Brezillon , Wynter Woods , Thomas Petazzoni , Rob Clark , Daniel Vetter , Maxime Ripard List-Id: devicetree@vger.kernel.org The Allwinner SoCs have a gate controller to gate the access to the DRAM clock to the some devices that need to access the DRAM directly (mostly display / image related IPs). Use a simple gates driver to support the one found in the A13 / R8 SoCs. Signed-off-by: Maxime Ripard Acked-by: Chen-Yu Tsai --- Documentation/devicetree/bindings/clock/sunxi.txt | 1 + drivers/clk/sunxi/clk-simple-gates.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index fe34fc56e803..2a76cc3718d4 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -57,6 +57,7 @@ Required properties: "allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31 "allwinner,sun8i-a23-apb2-gates-clk" - for the APB2 gates on A23 "allwinner,sun4i-a10-display-clk" - for the display clocks on the A10 + "allwinner,sun5i-a13-dram-gates-clk" - for the DRAM gates on A13 "allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13 "allwinner,sun4i-a10-mmc-clk" - for the MMC clock "allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80 diff --git a/drivers/clk/sunxi/clk-simple-gates.c b/drivers/clk/sunxi/clk-simple-gates.c index 0214c6548afd..5666c767fa14 100644 --- a/drivers/clk/sunxi/clk-simple-gates.c +++ b/drivers/clk/sunxi/clk-simple-gates.c @@ -112,6 +112,8 @@ CLK_OF_DECLARE(sun5i_a13_apb0, "allwinner,sun5i-a13-apb0-gates-clk", sunxi_simple_gates_init); CLK_OF_DECLARE(sun5i_a13_apb1, "allwinner,sun5i-a13-apb1-gates-clk", sunxi_simple_gates_init); +CLK_OF_DECLARE(sun5i_a13_dram, "allwinner,sun5i-a13-dram-gates-clk", + sunxi_simple_gates_init); CLK_OF_DECLARE(sun6i_a31_ahb1, "allwinner,sun6i-a31-ahb1-gates-clk", sunxi_simple_gates_init); CLK_OF_DECLARE(sun6i_a31_apb1, "allwinner,sun6i-a31-apb1-gates-clk", -- 2.6.4