From: Icenowy Zheng <icenowy@aosc.io>
Date: Mon, 20 Aug 2018 13:40:13 +0000 (+0800)
Subject: clk: sunxi-ng: sun50i: h6: Add 2x fixed post-divider to MMC module clocks
X-Git-Tag: v5.4-rc1~2301^2~10^4^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c2ff8383cc33c2d9c169e4daf1e37a434c3bb420;p=platform%2Fkernel%2Flinux-rpi.git

clk: sunxi-ng: sun50i: h6: Add 2x fixed post-divider to MMC module clocks

On the H6, the MMC module clocks are fixed in the new timing mode,
i.e. they do not have a bit to select the mode. These clocks have
a 2x divider somewhere between the clock and the MMC module.

To be consistent with other SoCs supporting the new timing mode,
we model the 2x divider as a fixed post-divider on the MMC module
clocks.

This patch adds the post-dividers to the MMC clocks, following the
approach on A64.

Fixes: 524353ea480b ("clk: sunxi-ng: add support for the Allwinner H6 CCU")
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
---

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
index d425b47..2193e14 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c
@@ -408,26 +408,29 @@ static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0), 0);
 
 static const char * const mmc_parents[] = { "osc24M", "pll-periph0-2x",
 					    "pll-periph1-2x" };
-static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mmc_parents, 0x830,
-					0, 4,	/* M */
-					8, 2,	/* N */
-					24, 3,	/* mux */
-					BIT(31),/* gate */
-					0);
-
-static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mmc_parents, 0x834,
-					0, 4,	/* M */
-					8, 2,	/* N */
-					24, 3,	/* mux */
-					BIT(31),/* gate */
-					0);
-
-static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mmc_parents, 0x838,
-					0, 4,	/* M */
-					8, 2,	/* N */
-					24, 3,	/* mux */
-					BIT(31),/* gate */
-					0);
+static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830,
+					  0, 4,		/* M */
+					  8, 2,		/* N */
+					  24, 3,	/* mux */
+					  BIT(31),	/* gate */
+					  2,		/* post-div */
+					  0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834,
+					  0, 4,		/* M */
+					  8, 2,		/* N */
+					  24, 3,	/* mux */
+					  BIT(31),	/* gate */
+					  2,		/* post-div */
+					  0);
+
+static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838,
+					  0, 4,		/* M */
+					  8, 2,		/* N */
+					  24, 3,	/* mux */
+					  BIT(31),	/* gate */
+					  2,		/* post-div */
+					  0);
 
 static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0);
 static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0);