Merge branches 'clk-imx6-ocram', 'clk-missing-put', 'clk-tegra-sdmmc-jitter',...

Merge branches 'clk-imx6-ocram', 'clk-missing-put', 'clk-tegra-sdmmc-jitter', 'clk-allwinner' and 'clk-uniphier' into clk-next

* clk-imx6-ocram:
  :  - i.MX6SX ocram_s clk support
  clk: imx: add ocram_s clock for i.mx6sx

* clk-missing-put:
  :  - Add missing of_node_put()s in some i.MX clk drivers
  clk: imx6sll: fix missing of_node_put()
  clk: imx6ul: fix missing of_node_put()

* clk-tegra-sdmmc-jitter:
  :  - Tegra SDMMC clk jitter improvements with high speed signaling modes
  clk: tegra: make sdmmc2 and sdmmc4 as sdmmc clocks
  clk: tegra: Add sdmmc mux divider clock
  clk: tegra: Refactor fractional divider calculation
  clk: tegra: Fix includes required by fence_udelay()

* clk-allwinner:
  clk: sunxi-ng: add A64 compatible string
  dt-bindings: add compatible string for the A64 DE2 CCU
  clk: sunxi-ng: r40: Export video PLLs
  clk: sunxi-ng: r40: Allow setting parent rate to display related clocks
  clk: sunxi-ng: r40: Add minimal rate for video PLLs

* clk-uniphier:
  :  - Uniphier NAND, USB3 PHY, and SPI clk support
  clk: uniphier: add clock frequency support for SPI
  clk: uniphier: add more USB3 PHY clocks
  clk: uniphier: add NAND 200MHz clock

Documentation/devicetree/bindings/clock/sun8i-de2.txt

@@ -6,6 +6,7 @@ Required properties :
 		- "allwinner,sun8i-a83t-de2-clk"
 		- "allwinner,sun8i-h3-de2-clk"
 		- "allwinner,sun8i-v3s-de2-clk"
+		- "allwinner,sun50i-a64-de2-clk"
 		- "allwinner,sun50i-h5-de2-clk"
 
 - reg: Must contain the registers base address and length

drivers/clk/imx/clk-imx6sll.c

@@ -92,6 +92,7 @@ static void __init imx6sll_clocks_init(struct device_node *ccm_node)
 
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6sll-anatop");
 	base = of_iomap(np, 0);
+	of_node_put(np);
 	WARN_ON(!base);
 
 	/* Do not bypass PLLs initially */

drivers/clk/imx/clk-imx6sx.c

@@ -402,6 +402,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
 	clks[IMX6SX_CLK_GPT_BUS]      = imx_clk_gate2("gpt_bus",       "perclk",            base + 0x6c, 20);
 	clks[IMX6SX_CLK_GPT_SERIAL]   = imx_clk_gate2("gpt_serial",    "perclk",            base + 0x6c, 22);
 	clks[IMX6SX_CLK_GPU]          = imx_clk_gate2("gpu",           "gpu_core_podf",     base + 0x6c, 26);
+	clks[IMX6SX_CLK_OCRAM_S]      = imx_clk_gate2("ocram_s",       "ahb",               base + 0x6c, 28);
 	clks[IMX6SX_CLK_CANFD]        = imx_clk_gate2("canfd",         "can_podf",          base + 0x6c, 30);
 
 	/* CCGR2 */

drivers/clk/imx/clk-imx6ul.c

@@ -135,6 +135,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
 
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop");
 	base = of_iomap(np, 0);
+	of_node_put(np);
 	WARN_ON(!base);
 
 	clks[IMX6UL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));

drivers/clk/sunxi-ng/ccu-sun8i-de2.c

@@ -288,17 +288,14 @@ static const struct of_device_id sunxi_de2_clk_ids[] = {
 		.compatible = "allwinner,sun8i-v3s-de2-clk",
 		.data = &sun8i_v3s_de2_clk_desc,
 	},
+	{
+		.compatible = "allwinner,sun50i-a64-de2-clk",
+		.data = &sun50i_a64_de2_clk_desc,
+	},
 	{
 		.compatible = "allwinner,sun50i-h5-de2-clk",
 		.data = &sun50i_a64_de2_clk_desc,
 	},
-	/*
-	 * The Allwinner A64 SoC needs some bit to be poke in syscon to make
-	 * DE2 really working.
-	 * So there's currently no A64 compatible here.
-	 * H5 shares the same reset line with A64, so here H5 is using the
-	 * clock description of A64.
-	 */
 	{ }
 };
 

drivers/clk/sunxi-ng/ccu-sun8i-r40.c

@@ -66,8 +66,9 @@ static SUNXI_CCU_NM_WITH_GATE_LOCK(pll_audio_base_clk, "pll-audio-base",
 				   CLK_SET_RATE_UNGATE);
 
 /* TODO: The result of N/M is required to be in [8, 25] range. */
-static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video0_clk, "pll-video0",
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(pll_video0_clk, "pll-video0",
 					    "osc24M", 0x0010,
+					    192000000,	/* Minimum rate */
 					    8, 7,	/* N */
 					    0, 4,	/* M */
 					    BIT(24),	/* frac enable */
@@ -152,8 +153,9 @@ static struct ccu_nk pll_periph1_clk = {
 };
 
 /* TODO: The result of N/M is required to be in [8, 25] range. */
-static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video1_clk, "pll-video1",
+static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(pll_video1_clk, "pll-video1",
 					    "osc24M", 0x030,
+					    192000000,	/* Minimum rate */
 					    8, 7,	/* N */
 					    0, 4,	/* M */
 					    BIT(24),	/* frac enable */
@@ -654,7 +656,8 @@ static SUNXI_CCU_GATE(dram_deinterlace_clk,	"dram-deinterlace",	"dram",
 
 static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" };
 static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
-				 0x104, 0, 4, 24, 3, BIT(31), 0);
+				 0x104, 0, 4, 24, 3, BIT(31),
+				 CLK_SET_RATE_PARENT);
 static SUNXI_CCU_M_WITH_MUX_GATE(mp_clk, "mp", de_parents,
 				 0x108, 0, 4, 24, 3, BIT(31), 0);
 
@@ -666,9 +669,11 @@ static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", tcon_parents,
 static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1", tcon_parents,
 			       0x114, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
 static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", tcon_parents,
-				 0x118, 0, 4, 24, 3, BIT(31), 0);
+				 0x118, 0, 4, 24, 3, BIT(31),
+				 CLK_SET_RATE_PARENT);
 static SUNXI_CCU_M_WITH_MUX_GATE(tcon_tv1_clk, "tcon-tv1", tcon_parents,
-				 0x11c, 0, 4, 24, 3, BIT(31), 0);
+				 0x11c, 0, 4, 24, 3, BIT(31),
+				 CLK_SET_RATE_PARENT);
 
 static const char * const deinterlace_parents[] = { "pll-periph0",
 						    "pll-periph1" };
@@ -698,7 +703,8 @@ static SUNXI_CCU_GATE(avs_clk,		"avs",		"osc24M",
 
 static const char * const hdmi_parents[] = { "pll-video0", "pll-video1" };
 static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
-				 0x150, 0, 4, 24, 2, BIT(31), 0);
+				 0x150, 0, 4, 24, 2, BIT(31),
+				 CLK_SET_RATE_PARENT);
 
 static SUNXI_CCU_GATE(hdmi_slow_clk,	"hdmi-slow",	"osc24M",
 		      0x154, BIT(31), 0);

drivers/clk/sunxi-ng/ccu-sun8i-r40.h

@@ -25,7 +25,9 @@
 #define CLK_PLL_AUDIO_2X	4
 #define CLK_PLL_AUDIO_4X	5
 #define CLK_PLL_AUDIO_8X	6
-#define CLK_PLL_VIDEO0		7
+
+/* PLL_VIDEO0 is exported */
+
 #define CLK_PLL_VIDEO0_2X	8
 #define CLK_PLL_VE		9
 #define CLK_PLL_DDR0		10
@@ -34,7 +36,9 @@
 #define CLK_PLL_PERIPH0_2X	13
 #define CLK_PLL_PERIPH1		14
 #define CLK_PLL_PERIPH1_2X	15
-#define CLK_PLL_VIDEO1		16
+
+/* PLL_VIDEO1 is exported */
+
 #define CLK_PLL_VIDEO1_2X	17
 #define CLK_PLL_SATA		18
 #define CLK_PLL_SATA_OUT	19

drivers/clk/tegra/Makefile

@@ -8,6 +8,7 @@ obj-y					+= clk-periph-fixed.o
 obj-y					+= clk-periph-gate.o
 obj-y					+= clk-pll.o
 obj-y					+= clk-pll-out.o
+obj-y					+= clk-sdmmc-mux.o
 obj-y					+= clk-super.o
 obj-y					+= clk-tegra-audio.o
 obj-y					+= clk-tegra-periph.o
@@ -24,3 +25,4 @@ obj-$(CONFIG_ARCH_TEGRA_132_SOC)	+= clk-tegra124.o
 obj-y					+= cvb.o
 obj-$(CONFIG_ARCH_TEGRA_210_SOC)	+= clk-tegra210.o
 obj-$(CONFIG_CLK_TEGRA_BPMP)		+= clk-bpmp.o
+obj-y					+= clk-utils.o

drivers/clk/tegra/clk-divider.c

@@ -32,35 +32,15 @@
 static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate,
 		   unsigned long parent_rate)
 {
-	u64 divider_ux1 = parent_rate;
-	u8 flags = divider->flags;
-	int mul;
-
-	if (!rate)
-		return 0;
-
-	mul = get_mul(divider);
-
-	if (!(flags & TEGRA_DIVIDER_INT))
-		divider_ux1 *= mul;
-
-	if (flags & TEGRA_DIVIDER_ROUND_UP)
-		divider_ux1 += rate - 1;
-
-	do_div(divider_ux1, rate);
-
-	if (flags & TEGRA_DIVIDER_INT)
-		divider_ux1 *= mul;
+	int div;
 
-	divider_ux1 -= mul;
+	div = div_frac_get(rate, parent_rate, divider->width,
+			   divider->frac_width, divider->flags);
 
-	if ((s64)divider_ux1 < 0)
+	if (div < 0)
 		return 0;
 
-	if (divider_ux1 > get_max_div(divider))
-		return get_max_div(divider);
-
-	return divider_ux1;
+	return div;
 }
 
 static unsigned long clk_frac_div_recalc_rate(struct clk_hw *hw,

drivers/clk/tegra/clk-id.h

@@ -227,13 +227,11 @@ enum clk_id {
 	tegra_clk_sdmmc1_9,
 	tegra_clk_sdmmc2,
 	tegra_clk_sdmmc2_8,
-	tegra_clk_sdmmc2_9,
 	tegra_clk_sdmmc3,
 	tegra_clk_sdmmc3_8,
 	tegra_clk_sdmmc3_9,
 	tegra_clk_sdmmc4,
 	tegra_clk_sdmmc4_8,
-	tegra_clk_sdmmc4_9,
 	tegra_clk_se,
 	tegra_clk_soc_therm,
 	tegra_clk_soc_therm_8,

drivers/clk/tegra/clk-sdmmc-mux.c

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * based on clk-mux.c
+ *
+ * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+ * Copyright (C) 2011 Richard Zhao, Linaro <richard.zhao@linaro.org>
+ * Copyright (C) 2011-2012 Mike Turquette, Linaro Ltd <mturquette@linaro.org>
+ *
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/types.h>
+
+#include "clk.h"
+
+#define DIV_MASK GENMASK(7, 0)
+#define MUX_SHIFT 29
+#define MUX_MASK GENMASK(MUX_SHIFT + 2, MUX_SHIFT)
+#define SDMMC_MUL 2
+
+#define get_max_div(d) DIV_MASK
+#define get_div_field(val) ((val) & DIV_MASK)
+#define get_mux_field(val) (((val) & MUX_MASK) >> MUX_SHIFT)
+
+static const char * const mux_sdmmc_parents[] = {
+	"pll_p", "pll_c4_out2", "pll_c4_out0", "pll_c4_out1", "clk_m"
+};
+
+static const u8 mux_lj_idx[] = {
+	[0] = 0, [1] = 1, [2] = 2, [3] = 5, [4] = 6
+};
+
+static const u8 mux_non_lj_idx[] = {
+	[0] = 0, [1] = 3, [2] = 7, [3] = 4, [4] = 6
+};
+
+static u8 clk_sdmmc_mux_get_parent(struct clk_hw *hw)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	int num_parents, i;
+	u32 src, val;
+	const u8 *mux_idx;
+
+	num_parents = clk_hw_get_num_parents(hw);
+
+	val = readl_relaxed(sdmmc_mux->reg);
+	src = get_mux_field(val);
+	if (get_div_field(val))
+		mux_idx = mux_non_lj_idx;
+	else
+		mux_idx = mux_lj_idx;
+
+	for (i = 0; i < num_parents; i++) {
+		if (mux_idx[i] == src)
+			return i;
+	}
+
+	WARN(1, "Unknown parent selector %d\n", src);
+
+	return 0;
+}
+
+static int clk_sdmmc_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	u32 val;
+
+
+	val = readl_relaxed(sdmmc_mux->reg);
+	if (get_div_field(val))
+		index = mux_non_lj_idx[index];
+	else
+		index = mux_lj_idx[index];
+
+	val &= ~MUX_MASK;
+	val |= index << MUX_SHIFT;
+
+	writel(val, sdmmc_mux->reg);
+
+	return 0;
+}
+
+static unsigned long clk_sdmmc_mux_recalc_rate(struct clk_hw *hw,
+					       unsigned long parent_rate)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	u32 val;
+	int div;
+	u64 rate = parent_rate;
+
+	val = readl_relaxed(sdmmc_mux->reg);
+	div = get_div_field(val);
+
+	div += SDMMC_MUL;
+
+	rate *= SDMMC_MUL;
+	rate += div - 1;
+	do_div(rate, div);
+
+	return rate;
+}
+
+static int clk_sdmmc_mux_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	int div;
+	unsigned long output_rate = req->best_parent_rate;
+
+	req->rate = max(req->rate, req->min_rate);
+	req->rate = min(req->rate, req->max_rate);
+
+	if (!req->rate)
+		return output_rate;
+
+	div = div_frac_get(req->rate, output_rate, 8, 1, sdmmc_mux->div_flags);
+	if (div < 0)
+		div = 0;
+
+	if (sdmmc_mux->div_flags & TEGRA_DIVIDER_ROUND_UP)
+		req->rate =  DIV_ROUND_UP(output_rate * SDMMC_MUL,
+					  div + SDMMC_MUL);
+	else
+		req->rate =  output_rate * SDMMC_MUL / (div + SDMMC_MUL);
+
+	return 0;
+}
+
+static int clk_sdmmc_mux_set_rate(struct clk_hw *hw, unsigned long rate,
+				  unsigned long parent_rate)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	int div;
+	unsigned long flags = 0;
+	u32 val;
+	u8 src;
+
+	div = div_frac_get(rate, parent_rate, 8, 1, sdmmc_mux->div_flags);
+	if (div < 0)
+		return div;
+
+	if (sdmmc_mux->lock)
+		spin_lock_irqsave(sdmmc_mux->lock, flags);
+
+	src = clk_sdmmc_mux_get_parent(hw);
+	if (div)
+		src = mux_non_lj_idx[src];
+	else
+		src = mux_lj_idx[src];
+
+	val = src << MUX_SHIFT;
+	val |= div;
+	writel(val, sdmmc_mux->reg);
+	fence_udelay(2, sdmmc_mux->reg);
+
+	if (sdmmc_mux->lock)
+		spin_unlock_irqrestore(sdmmc_mux->lock, flags);
+
+	return 0;
+}
+
+static int clk_sdmmc_mux_is_enabled(struct clk_hw *hw)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	const struct clk_ops *gate_ops = sdmmc_mux->gate_ops;
+	struct clk_hw *gate_hw = &sdmmc_mux->gate.hw;
+
+	__clk_hw_set_clk(gate_hw, hw);
+
+	return gate_ops->is_enabled(gate_hw);
+}
+
+static int clk_sdmmc_mux_enable(struct clk_hw *hw)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	const struct clk_ops *gate_ops = sdmmc_mux->gate_ops;
+	struct clk_hw *gate_hw = &sdmmc_mux->gate.hw;
+
+	__clk_hw_set_clk(gate_hw, hw);
+
+	return gate_ops->enable(gate_hw);
+}
+
+static void clk_sdmmc_mux_disable(struct clk_hw *hw)
+{
+	struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+	const struct clk_ops *gate_ops = sdmmc_mux->gate_ops;
+	struct clk_hw *gate_hw = &sdmmc_mux->gate.hw;
+
+	gate_ops->disable(gate_hw);
+}
+
+static const struct clk_ops tegra_clk_sdmmc_mux_ops = {
+	.get_parent = clk_sdmmc_mux_get_parent,
+	.set_parent = clk_sdmmc_mux_set_parent,
+	.determine_rate = clk_sdmmc_mux_determine_rate,
+	.recalc_rate = clk_sdmmc_mux_recalc_rate,
+	.set_rate = clk_sdmmc_mux_set_rate,
+	.is_enabled = clk_sdmmc_mux_is_enabled,
+	.enable = clk_sdmmc_mux_enable,
+	.disable = clk_sdmmc_mux_disable,
+};
+
+struct clk *tegra_clk_register_sdmmc_mux_div(const char *name,
+	void __iomem *clk_base, u32 offset, u32 clk_num, u8 div_flags,
+	unsigned long flags, void *lock)
+{
+	struct clk *clk;
+	struct clk_init_data init;
+	const struct tegra_clk_periph_regs *bank;
+	struct tegra_sdmmc_mux *sdmmc_mux;
+
+	init.ops = &tegra_clk_sdmmc_mux_ops;
+	init.name = name;
+	init.flags = flags;
+	init.parent_names = mux_sdmmc_parents;
+	init.num_parents = ARRAY_SIZE(mux_sdmmc_parents);
+
+	bank = get_reg_bank(clk_num);
+	if (!bank)
+		return ERR_PTR(-EINVAL);
+
+	sdmmc_mux = kzalloc(sizeof(*sdmmc_mux), GFP_KERNEL);
+	if (!sdmmc_mux)
+		return ERR_PTR(-ENOMEM);
+
+	/* Data in .init is copied by clk_register(), so stack variable OK */
+	sdmmc_mux->hw.init = &init;
+	sdmmc_mux->reg = clk_base + offset;
+	sdmmc_mux->lock = lock;
+	sdmmc_mux->gate.clk_base = clk_base;
+	sdmmc_mux->gate.regs = bank;
+	sdmmc_mux->gate.enable_refcnt = periph_clk_enb_refcnt;
+	sdmmc_mux->gate.clk_num = clk_num;
+	sdmmc_mux->gate.flags = TEGRA_PERIPH_ON_APB;
+	sdmmc_mux->div_flags = div_flags;
+	sdmmc_mux->gate_ops = &tegra_clk_periph_gate_ops;
+
+	clk = clk_register(NULL, &sdmmc_mux->hw);
+	if (IS_ERR(clk)) {
+		kfree(sdmmc_mux);
+		return clk;
+	}
+
+	sdmmc_mux->gate.hw.clk = clk;
+
+	return clk;
+}

drivers/clk/tegra/clk-tegra-periph.c

@@ -451,15 +451,6 @@ static u32 mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0_idx[] = {
 	[0] = 0, [1] = 3, [2] = 4, [3] = 6, [4] = 7,
 };
 
-static const char *mux_pllp_clkm_pllc4_out2_out1_out0_lj[] = {
-	"pll_p",
-	"pll_c4_out2", "pll_c4_out0",	/* LJ input */
-	"pll_c4_out2", "pll_c4_out1",
-	"pll_c4_out1",			/* LJ input */
-	"clk_m", "pll_c4_out0"
-};
-#define mux_pllp_clkm_pllc4_out2_out1_out0_lj_idx NULL
-
 static const char *mux_pllp_pllc2_c_c3_clkm[] = {
 	"pll_p", "pll_c2", "pll_c", "pll_c3", "clk_m"
 };
@@ -686,9 +677,7 @@ static struct tegra_periph_init_data periph_clks[] = {
 	MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3),
 	MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4),
 	MUX8("sdmmc1", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1_9),
-	MUX8("sdmmc2", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC2, 9, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc2_9),
 	MUX8("sdmmc3", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3_9),
-	MUX8("sdmmc4", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4_9),
 	MUX("la", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_LA, 76, TEGRA_PERIPH_ON_APB, tegra_clk_la),
 	MUX("trace", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_TRACE, 77, TEGRA_PERIPH_ON_APB, tegra_clk_trace),
 	MUX("owr", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_OWR, 71, TEGRA_PERIPH_ON_APB, tegra_clk_owr),

drivers/clk/tegra/clk-tegra210.c

@@ -44,6 +44,8 @@
 #define CLK_SOURCE_EMC 0x19c
 #define CLK_SOURCE_SOR1 0x410
 #define CLK_SOURCE_LA 0x1f8
+#define CLK_SOURCE_SDMMC2 0x154
+#define CLK_SOURCE_SDMMC4 0x164
 
 #define PLLC_BASE 0x80
 #define PLLC_OUT 0x84
@@ -2286,11 +2288,9 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
 	[tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
 	[tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
 	[tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
-	[tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
 	[tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
 	[tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
 	[tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
-	[tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
 	[tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
 	[tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
 	[tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
@@ -3030,6 +3030,16 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base,
 				0, NULL);
 	clks[TEGRA210_CLK_ACLK] = clk;
 
+	clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
+					    CLK_SOURCE_SDMMC2, 9,
+					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
+	clks[TEGRA210_CLK_SDMMC2] = clk;
+
+	clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
+					    CLK_SOURCE_SDMMC4, 15,
+					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
+	clks[TEGRA210_CLK_SDMMC4] = clk;
+
 	for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
 		struct tegra_periph_init_data *init = &tegra210_periph[i];
 		struct clk **clkp;

drivers/clk/tegra/clk-utils.c

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
+ */
+
+#include <asm/div64.h>
+
+#include "clk.h"
+
+#define div_mask(w) ((1 << (w)) - 1)
+
+int div_frac_get(unsigned long rate, unsigned parent_rate, u8 width,
+		 u8 frac_width, u8 flags)
+{
+	u64 divider_ux1 = parent_rate;
+	int mul;
+
+	if (!rate)
+		return 0;
+
+	mul = 1 << frac_width;
+
+	if (!(flags & TEGRA_DIVIDER_INT))
+		divider_ux1 *= mul;
+
+	if (flags & TEGRA_DIVIDER_ROUND_UP)
+		divider_ux1 += rate - 1;
+
+	do_div(divider_ux1, rate);
+
+	if (flags & TEGRA_DIVIDER_INT)
+		divider_ux1 *= mul;
+
+	if (divider_ux1 < mul)
+		return 0;
+
+	divider_ux1 -= mul;
+
+	if (divider_ux1 > div_mask(width))
+		return div_mask(width);
+
+	return divider_ux1;
+}

drivers/clk/tegra/clk.h

@@ -19,6 +19,7 @@
 
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
+#include <linux/delay.h>
 
 /**
  * struct tegra_clk_sync_source - external clock source from codec
@@ -705,6 +706,32 @@ struct clk *tegra_clk_register_super_clk(const char *name,
 		const char * const *parent_names, u8 num_parents,
 		unsigned long flags, void __iomem *reg, u8 clk_super_flags,
 		spinlock_t *lock);
+
+/**
+ * struct tegra_sdmmc_mux - switch divider with Low Jitter inputs for SDMMC
+ *
+ * @hw:		handle between common and hardware-specific interfaces
+ * @reg:	register controlling mux and divider
+ * @flags:	hardware-specific flags
+ * @lock:	optional register lock
+ * @gate:	gate clock
+ * @gate_ops:	gate clock ops
+ */
+struct tegra_sdmmc_mux {
+	struct clk_hw		hw;
+	void __iomem		*reg;
+	spinlock_t		*lock;
+	const struct clk_ops	*gate_ops;
+	struct tegra_clk_periph_gate	gate;
+	u8			div_flags;
+};
+
+#define to_clk_sdmmc_mux(_hw) container_of(_hw, struct tegra_sdmmc_mux, hw)
+
+struct clk *tegra_clk_register_sdmmc_mux_div(const char *name,
+		void __iomem *clk_base, u32 offset, u32 clk_num, u8 div_flags,
+		unsigned long flags, void *lock);
+
 /**
  * struct clk_init_table - clock initialization table
  * @clk_id:	clock id as mentioned in device tree bindings
@@ -811,6 +838,9 @@ extern tegra_clk_apply_init_table_func tegra_clk_apply_init_table;
 int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll);
 u16 tegra_pll_get_fixed_mdiv(struct clk_hw *hw, unsigned long input_rate);
 int tegra_pll_p_div_to_hw(struct tegra_clk_pll *pll, u8 p_div);
+int div_frac_get(unsigned long rate, unsigned parent_rate, u8 width,
+		 u8 frac_width, u8 flags);
+
 
 /* Combined read fence with delay */
 #define fence_udelay(delay, reg)	\

drivers/clk/uniphier/clk-uniphier-peri.c

@@ -27,6 +27,12 @@
 #define UNIPHIER_PERI_CLK_FI2C(idx, ch)					\
 	UNIPHIER_CLK_GATE("i2c" #ch, (idx), "i2c", 0x24, 24 + (ch))
 
+#define UNIPHIER_PERI_CLK_SCSSI(idx)					\
+	UNIPHIER_CLK_GATE("scssi", (idx), "spi", 0x20, 17)
+
+#define UNIPHIER_PERI_CLK_MCSSI(idx)					\
+	UNIPHIER_CLK_GATE("mcssi", (idx), "spi", 0x24, 14)
+
 const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = {
 	UNIPHIER_PERI_CLK_UART(0, 0),
 	UNIPHIER_PERI_CLK_UART(1, 1),
@@ -38,6 +44,7 @@ const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = {
 	UNIPHIER_PERI_CLK_I2C(6, 2),
 	UNIPHIER_PERI_CLK_I2C(7, 3),
 	UNIPHIER_PERI_CLK_I2C(8, 4),
+	UNIPHIER_PERI_CLK_SCSSI(11),
 	{ /* sentinel */ }
 };
 
@@ -53,5 +60,7 @@ const struct uniphier_clk_data uniphier_pro4_peri_clk_data[] = {
 	UNIPHIER_PERI_CLK_FI2C(8, 4),
 	UNIPHIER_PERI_CLK_FI2C(9, 5),
 	UNIPHIER_PERI_CLK_FI2C(10, 6),
+	UNIPHIER_PERI_CLK_SCSSI(11),
+	UNIPHIER_PERI_CLK_MCSSI(12),
 	{ /* sentinel */ }
 };

drivers/clk/uniphier/clk-uniphier-sys.c

@@ -29,18 +29,20 @@
 	UNIPHIER_CLK_FACTOR("sd-200m", -1, "spll", 1, 10),		\
 	UNIPHIER_CLK_FACTOR("sd-133m", -1, "spll", 1, 15)
 
-/* Denali driver requires clk_x rate (clk: 50MHz, clk_x & ecc_clk: 200MHz) */
 #define UNIPHIER_LD4_SYS_CLK_NAND(idx)					\
-	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 8),		\
-	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x2104, 2)
+	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 32),		\
+	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x2104, 2)
 
 #define UNIPHIER_PRO5_SYS_CLK_NAND(idx)					\
-	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 12),		\
-	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x2104, 2)
+	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 48),		\
+	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x2104, 2)
 
 #define UNIPHIER_LD11_SYS_CLK_NAND(idx)					\
-	UNIPHIER_CLK_FACTOR("nand-200m", -1, "spll", 1, 10),		\
-	UNIPHIER_CLK_GATE("nand", (idx), "nand-200m", 0x210c, 0)
+	UNIPHIER_CLK_FACTOR("nand-50m", -1, "spll", 1, 40),		\
+	UNIPHIER_CLK_GATE("nand", (idx), "nand-50m", 0x210c, 0)
+
+#define UNIPHIER_SYS_CLK_NAND_4X(idx)					\
+	UNIPHIER_CLK_FACTOR("nand-4x", (idx), "nand", 4, 1)
 
 #define UNIPHIER_LD11_SYS_CLK_EMMC(idx)					\
 	UNIPHIER_CLK_GATE("emmc", (idx), NULL, 0x210c, 2)
@@ -93,7 +95,9 @@ const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512),	/* 270 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
 	UNIPHIER_LD4_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD4_SYS_CLK_SD,
 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
@@ -108,7 +112,9 @@ const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("gpll", -1, "ref", 10, 1),		/* 250 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
+	UNIPHIER_CLK_FACTOR("spi", 1, "spll", 1, 32),
 	UNIPHIER_LD4_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD4_SYS_CLK_SD,
 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
 	UNIPHIER_PRO4_SYS_CLK_ETHER(6),
@@ -118,6 +124,9 @@ const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
 	UNIPHIER_PRO4_SYS_CLK_GIO(12),			/* Ether, SATA, USB3 */
 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
+	UNIPHIER_CLK_FACTOR("usb30-hsphy0", 16, "upll", 1, 12),
+	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 17, "ref", 1, 1),
+	UNIPHIER_CLK_FACTOR("usb31-ssphy0", 20, "ref", 1, 1),
 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 18),
 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x2104, 19),
 	UNIPHIER_PRO4_SYS_CLK_AIO(40),
@@ -130,7 +139,9 @@ const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25),	/* 270 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
 	UNIPHIER_LD4_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD4_SYS_CLK_SD,
 	UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12),
 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),			/* Ether, HSC, MIO */
@@ -143,7 +154,9 @@ const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("dapll2", -1, "dapll1", 144, 125),	/* 2949.12 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_PRO5_SYS_CLK_SD,
 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC */
 	UNIPHIER_PRO4_SYS_CLK_GIO(12),				/* PCIe, USB3 */
@@ -158,7 +171,9 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1),		/* 2400 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
 	UNIPHIER_PRO5_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_PRO5_SYS_CLK_SD,
 	UNIPHIER_PRO4_SYS_CLK_ETHER(6),
 	UNIPHIER_LD4_SYS_CLK_STDMAC(8),				/* HSC, RLE */
@@ -166,8 +181,11 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
 	UNIPHIER_PRO4_SYS_CLK_USB3(14, 0),
 	UNIPHIER_PRO4_SYS_CLK_USB3(15, 1),
 	/* The document mentions 0x2104 bit 18, but not functional */
-	UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19),
-	UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20),
+	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x2104, 19),
+	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 17, "ref", 1, 1),
+	UNIPHIER_CLK_FACTOR("usb30-ssphy1", 18, "ref", 1, 1),
+	UNIPHIER_CLK_GATE("usb31-hsphy0", 20, NULL, 0x2104, 20),
+	UNIPHIER_CLK_FACTOR("usb31-ssphy0", 21, "ref", 1, 1),
 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 22),
 	UNIPHIER_PRO5_SYS_CLK_AIO(40),
 	{ /* sentinel */ }
@@ -180,7 +198,9 @@ const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1),		/* 2000 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
 	UNIPHIER_LD11_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
 	/* Index 5 reserved for eMMC PHY */
 	UNIPHIER_LD11_SYS_CLK_ETHER(6),
@@ -213,7 +233,9 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5),	/* 2520 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
 	UNIPHIER_LD11_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
 	/* Index 5 reserved for eMMC PHY */
 	UNIPHIER_LD20_SYS_CLK_SD,
@@ -226,8 +248,10 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
 	 * We do not use bit 15 here.
 	 */
 	UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14),
-	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12),
-	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13),
+	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x210c, 12),
+	UNIPHIER_CLK_GATE("usb30-hsphy1", 17, NULL, 0x210c, 13),
+	UNIPHIER_CLK_FACTOR("usb30-ssphy0", 18, "ref", 1, 1),
+	UNIPHIER_CLK_FACTOR("usb30-ssphy1", 19, "ref", 1, 1),
 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 4),
 	UNIPHIER_LD11_SYS_CLK_AIO(40),
 	UNIPHIER_LD11_SYS_CLK_EVEA(41),
@@ -254,19 +278,21 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
 	UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1),		/* IPP: 2400 MHz */
 	UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
 	UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
+	UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
 	UNIPHIER_LD20_SYS_CLK_SD,
 	UNIPHIER_LD11_SYS_CLK_NAND(2),
+	UNIPHIER_SYS_CLK_NAND_4X(3),
 	UNIPHIER_LD11_SYS_CLK_EMMC(4),
 	UNIPHIER_CLK_GATE("ether0", 6, NULL, 0x210c, 9),
 	UNIPHIER_CLK_GATE("ether1", 7, NULL, 0x210c, 10),
 	UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4),	/* =GIO0 */
 	UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5),	/* =GIO1 */
 	UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6),	/* =GIO1-1 */
-	UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 16),
-	UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 18),
-	UNIPHIER_CLK_GATE("usb30-phy2", 18, NULL, 0x210c, 20),
-	UNIPHIER_CLK_GATE("usb31-phy0", 20, NULL, 0x210c, 17),
-	UNIPHIER_CLK_GATE("usb31-phy1", 21, NULL, 0x210c, 19),
+	UNIPHIER_CLK_GATE("usb30-hsphy0", 16, NULL, 0x210c, 16),
+	UNIPHIER_CLK_GATE("usb30-ssphy0", 17, NULL, 0x210c, 18),
+	UNIPHIER_CLK_GATE("usb30-ssphy1", 18, NULL, 0x210c, 20),
+	UNIPHIER_CLK_GATE("usb31-hsphy0", 20, NULL, 0x210c, 17),
+	UNIPHIER_CLK_GATE("usb31-ssphy0", 21, NULL, 0x210c, 19),
 	UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 3),
 	UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x210c, 7),
 	UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x210c, 8),

include/dt-bindings/clock/sun8i-r40-ccu.h

@@ -43,6 +43,10 @@
 #ifndef _DT_BINDINGS_CLK_SUN8I_R40_H_
 #define _DT_BINDINGS_CLK_SUN8I_R40_H_
 
+#define CLK_PLL_VIDEO0		7
+
+#define CLK_PLL_VIDEO1		16
+
 #define CLK_CPU			24
 
 #define CLK_BUS_MIPI_DSI	29