From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: [PATCH v2 03/10] clk: sunxi-ng: a83t: Support new timing mode for mmc2 clock Date: Thu, 20 Jul 2017 11:44:45 +0800 Message-ID: <20170720034452.15920-4-wens@csie.org> References: <20170720034452.15920-1-wens@csie.org> Return-path: In-Reply-To: <20170720034452.15920-1-wens-jdAy2FN1RRM@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Maxime Ripard , Ulf Hansson , Michael Turquette , Stephen Boyd , Rob Herring , Mark Rutland Cc: Chen-Yu Tsai , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org The MMC2 clock supports a new timing mode. When the new mode is active, the output clock rate is halved. This patch sets the feature flag for the new timing mode, and adds a pre-divider based on the mode bit. Signed-off-by: Chen-Yu Tsai --- drivers/clk/sunxi-ng/ccu-sun8i-a83t.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c index 947f9f6e05d2..c5656e4f2a38 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c @@ -418,14 +418,13 @@ static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1-sample", "mmc1", static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1-output", "mmc1", 0x08c, 8, 3, 0); -/* TODO Support MMC2 clock's new timing mode. */ -static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, - 0x090, - 0, 4, /* M */ - 16, 2, /* P */ - 24, 2, /* mux */ - BIT(31), /* gate */ - 0); +static SUNXI_CCU_MP_MMC_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents, + 0x090, + 0, 4, /* M */ + 16, 2, /* P */ + 24, 2, /* mux */ + BIT(31), /* gate */ + CLK_GET_RATE_NOCACHE); static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2-sample", "mmc2", 0x090, 20, 3, 0); -- 2.13.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html