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/*
Copyright 2017 Fred Sundvik

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "simple_visualizer.h"

// This function should be implemented by the keymap visualizer
// Don't change anything else than state->target_lcd_color and state->layer_text as that's the only thing
// that the simple_visualizer assumes that you are updating
// Also make sure that the buffer passed to state->layer_text remains valid until the previous animation is
// stopped. This can be done by either double buffering it or by using constant strings
static void get_visualizer_layer_and_color(visualizer_state_t* state) {
    uint8_t saturation = 60;
    if (state->status.leds & (1u << USB_LED_CAPS_LOCK)) {
        saturation = 255;
    }
    if (state->status.layer & 0x4) {
        state->target_lcd_color = LCD_COLOR(0, saturation, 0xFF);
        state->layer_text = "Media & Mouse";
    }
    else if (state->status.layer & 0x2) {
        state->target_lcd_color = LCD_COLOR(168, saturation, 0xFF);
        state->layer_text = "Symbol";
    }
    else {
        state->target_lcd_color = LCD_COLOR(84, saturation, 0xFF);
        state->layer_text = "Default";
    }
}
ackground: #ffffff; } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
From 82a391a067491f4c46b75d0dfe2bf9e5a11aca8e Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Wed, 17 Jan 2018 15:15:44 +0800
Subject: [PATCH 14/30] clk: support layerscape

This is an integrated patch for layerscape clock support.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
 drivers/clk/clk-qoriq.c | 179 ++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 164 insertions(+), 15 deletions(-)

--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -12,6 +12,7 @@
 
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
+#include <linux/clkdev.h>
 #include <linux/fsl/guts.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
@@ -40,7 +41,7 @@ struct clockgen_pll_div {
 };
 
 struct clockgen_pll {
-	struct clockgen_pll_div div[4];
+	struct clockgen_pll_div div[8];
 };
 
 #define CLKSEL_VALID	1
@@ -87,7 +88,7 @@ struct clockgen {
 	struct device_node *node;
 	void __iomem *regs;
 	struct clockgen_chipinfo info; /* mutable copy */
-	struct clk *sysclk;
+	struct clk *sysclk, *coreclk;
 	struct clockgen_pll pll[6];
 	struct clk *cmux[NUM_CMUX];
 	struct clk *hwaccel[NUM_HWACCEL];
@@ -266,6 +267,39 @@ static const struct clockgen_muxinfo ls1
 	},
 };
 
+static const struct clockgen_muxinfo ls1046a_hwa1 = {
+	{
+		{},
+		{},
+		{ CLKSEL_VALID, CGA_PLL1, PLL_DIV2 },
+		{ CLKSEL_VALID, CGA_PLL1, PLL_DIV3 },
+		{ CLKSEL_VALID, CGA_PLL1, PLL_DIV4 },
+		{ CLKSEL_VALID, PLATFORM_PLL, PLL_DIV1 },
+		{ CLKSEL_VALID, CGA_PLL2, PLL_DIV2 },
+		{ CLKSEL_VALID, CGA_PLL2, PLL_DIV3 },
+	},
+};
+
+static const struct clockgen_muxinfo ls1046a_hwa2 = {
+	{
+		{},
+		{ CLKSEL_VALID, CGA_PLL2, PLL_DIV1 },
+		{ CLKSEL_VALID, CGA_PLL2, PLL_DIV2 },
+		{ CLKSEL_VALID, CGA_PLL2, PLL_DIV3 },
+		{},
+		{},
+		{ CLKSEL_VALID, CGA_PLL1, PLL_DIV2 },
+	},
+};
+
+static const struct clockgen_muxinfo ls1012a_cmux = {
+	{
+		[0] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV1 },
+		{},
+		[2] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 },
+	}
+};
+
 static const struct clockgen_muxinfo t1023_hwa1 = {
 	{
 		{},
@@ -489,6 +523,42 @@ static const struct clockgen_chipinfo ch
 		.flags = CG_PLL_8BIT,
 	},
 	{
+		.compat = "fsl,ls1046a-clockgen",
+		.init_periph = t2080_init_periph,
+		.cmux_groups = {
+			&t1040_cmux
+		},
+		.hwaccel = {
+			&ls1046a_hwa1, &ls1046a_hwa2
+		},
+		.cmux_to_group = {
+			0, -1
+		},
+		.pll_mask = 0x07,
+		.flags = CG_PLL_8BIT,
+	},
+	{
+		.compat = "fsl,ls1088a-clockgen",
+		.cmux_groups = {
+			&clockgen2_cmux_cga12
+		},
+		.cmux_to_group = {
+			0, 0, -1
+		},
+		.pll_mask = 0x07,
+		.flags = CG_VER3 | CG_LITTLE_ENDIAN,
+	},
+	{
+		.compat = "fsl,ls1012a-clockgen",
+		.cmux_groups = {
+			&ls1012a_cmux
+		},
+		.cmux_to_group = {
+			0, -1
+		},
+		.pll_mask = 0x03,
+	},
+	{
 		.compat = "fsl,ls2080a-clockgen",
 		.cmux_groups = {
 			&clockgen2_cmux_cga12, &clockgen2_cmux_cgb
@@ -846,7 +916,12 @@ static void __init create_muxes(struct c
 
 static void __init clockgen_init(struct device_node *np);
 
-/* Legacy nodes may get probed before the parent clockgen node */
+/*
+ * Legacy nodes may get probed before the parent clockgen node.
+ * It is assumed that device trees with legacy nodes will not
+ * contain a "clocks" property -- otherwise the input clocks may
+ * not be initialized at this point.
+ */
 static void __init legacy_init_clockgen(struct device_node *np)
 {
 	if (!clockgen.node)
@@ -887,18 +962,13 @@ static struct clk __init
 	return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
 }
 
-static struct clk *sysclk_from_parent(const char *name)
+static struct clk __init *input_clock(const char *name, struct clk *clk)
 {
-	struct clk *clk;
-	const char *parent_name;
-
-	clk = of_clk_get(clockgen.node, 0);
-	if (IS_ERR(clk))
-		return clk;
+	const char *input_name;
 
 	/* Register the input clock under the desired name. */
-	parent_name = __clk_get_name(clk);
-	clk = clk_register_fixed_factor(NULL, name, parent_name,
+	input_name = __clk_get_name(clk);
+	clk = clk_register_fixed_factor(NULL, name, input_name,
 					0, 1, 1);
 	if (IS_ERR(clk))
 		pr_err("%s: Couldn't register %s: %ld\n", __func__, name,
@@ -907,6 +977,29 @@ static struct clk *sysclk_from_parent(co
 	return clk;
 }
 
+static struct clk __init *input_clock_by_name(const char *name,
+					      const char *dtname)
+{
+	struct clk *clk;
+
+	clk = of_clk_get_by_name(clockgen.node, dtname);
+	if (IS_ERR(clk))
+		return clk;
+
+	return input_clock(name, clk);
+}
+
+static struct clk __init *input_clock_by_index(const char *name, int idx)
+{
+	struct clk *clk;
+
+	clk = of_clk_get(clockgen.node, 0);
+	if (IS_ERR(clk))
+		return clk;
+
+	return input_clock(name, clk);
+}
+
 static struct clk * __init create_sysclk(const char *name)
 {
 	struct device_node *sysclk;
@@ -916,7 +1009,11 @@ static struct clk * __init create_sysclk
 	if (!IS_ERR(clk))
 		return clk;
 
-	clk = sysclk_from_parent(name);
+	clk = input_clock_by_name(name, "sysclk");
+	if (!IS_ERR(clk))
+		return clk;
+
+	clk = input_clock_by_index(name, 0);
 	if (!IS_ERR(clk))
 		return clk;
 
@@ -927,7 +1024,27 @@ static struct clk * __init create_sysclk
 			return clk;
 	}
 
-	pr_err("%s: No input clock\n", __func__);
+	pr_err("%s: No input sysclk\n", __func__);
+	return NULL;
+}
+
+static struct clk * __init create_coreclk(const char *name)
+{
+	struct clk *clk;
+
+	clk = input_clock_by_name(name, "coreclk");
+	if (!IS_ERR(clk))
+		return clk;
+
+	/*
+	 * This indicates a mix of legacy nodes with the new coreclk
+	 * mechanism, which should never happen.  If this error occurs,
+	 * don't use the wrong input clock just because coreclk isn't
+	 * ready yet.
+	 */
+	if (WARN_ON(PTR_ERR(clk) == -EPROBE_DEFER))
+		return clk;
+
 	return NULL;
 }
 
@@ -950,11 +1067,19 @@ static void __init create_one_pll(struct
 	u32 __iomem *reg;
 	u32 mult;
 	struct clockgen_pll *pll = &cg->pll[idx];
+	const char *input = "cg-sysclk";
 	int i;
 
 	if (!(cg->info.pll_mask & (1 << idx)))
 		return;
 
+	if (cg->coreclk && idx != PLATFORM_PLL) {
+		if (IS_ERR(cg->coreclk))
+			return;
+
+		input = "cg-coreclk";
+	}
+
 	if (cg->info.flags & CG_VER3) {
 		switch (idx) {
 		case PLATFORM_PLL:
@@ -1000,12 +1125,20 @@ static void __init create_one_pll(struct
 
 	for (i = 0; i < ARRAY_SIZE(pll->div); i++) {
 		struct clk *clk;
+		int ret;
+
+		/*
+		 * For platform PLL, there are 8 divider clocks.
+		 * For core PLL, there are 4 divider clocks at most.
+		 */
+		if (idx != 0 && i >= 4)
+			break;
 
 		snprintf(pll->div[i].name, sizeof(pll->div[i].name),
 			 "cg-pll%d-div%d", idx, i + 1);
 
 		clk = clk_register_fixed_factor(NULL,
-				pll->div[i].name, "cg-sysclk", 0, mult, i + 1);
+				pll->div[i].name, input, 0, mult, i + 1);
 		if (IS_ERR(clk)) {
 			pr_err("%s: %s: register failed %ld\n",
 			       __func__, pll->div[i].name, PTR_ERR(clk));
@@ -1013,6 +1146,11 @@ static void __init create_one_pll(struct
 		}
 
 		pll->div[i].clk = clk;
+		ret = clk_register_clkdev(clk, pll->div[i].name, NULL);
+		if (ret != 0)
+			pr_err("%s: %s: register to lookup table failed %ld\n",
+			       __func__, pll->div[i].name, PTR_ERR(clk));
+
 	}
 }
 
@@ -1142,6 +1280,13 @@ static struct clk *clockgen_clk_get(stru
 			goto bad_args;
 		clk = pll->div[idx].clk;
 		break;
+	case 5:
+		if (idx != 0)
+			goto bad_args;
+		clk = cg->coreclk;
+		if (IS_ERR(clk))
+			clk = NULL;
+		break;
 	default:
 		goto bad_args;
 	}
@@ -1253,6 +1398,7 @@ static void __init clockgen_init(struct
 		clockgen.info.flags |= CG_CMUX_GE_PLAT;
 
 	clockgen.sysclk = create_sysclk("cg-sysclk");
+	clockgen.coreclk = create_coreclk("cg-coreclk");
 	create_plls(&clockgen);
 	create_muxes(&clockgen);
 
@@ -1273,8 +1419,11 @@ err:
 
 CLK_OF_DECLARE(qoriq_clockgen_1, "fsl,qoriq-clockgen-1.0", clockgen_init);
 CLK_OF_DECLARE(qoriq_clockgen_2, "fsl,qoriq-clockgen-2.0", clockgen_init);
+CLK_OF_DECLARE(qoriq_clockgen_ls1012a, "fsl,ls1012a-clockgen", clockgen_init);
 CLK_OF_DECLARE(qoriq_clockgen_ls1021a, "fsl,ls1021a-clockgen", clockgen_init);
 CLK_OF_DECLARE(qoriq_clockgen_ls1043a, "fsl,ls1043a-clockgen", clockgen_init);
+CLK_OF_DECLARE(qoriq_clockgen_ls1046a, "fsl,ls1046a-clockgen", clockgen_init);
+CLK_OF_DECLARE(qoriq_clockgen_ls1088a, "fsl,ls1088a-clockgen", clockgen_init);
 CLK_OF_DECLARE(qoriq_clockgen_ls2080a, "fsl,ls2080a-clockgen", clockgen_init);
 
 /* Legacy nodes */