aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ath79/patches-4.14/0029-MIPS-ath79-move-legacy-wdt-and-uart-clock-aliases-ou.patch
blob: 07e750a96cff425b69106b26a5a4cdf74c1dc4fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 6 Mar 2018 13:22:43 +0100
Subject: [PATCH] MIPS: ath79: move legacy "wdt" and "uart" clock aliases
 out of soc init

Preparation for reusing functions for DT

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -109,9 +109,6 @@ static void __init ar71xx_clocks_init(vo
 	ath79_set_clk(ATH79_CLK_CPU, cpu_rate);
 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
-
-	clk_add_alias("wdt", NULL, "ahb", NULL);
-	clk_add_alias("uart", NULL, "ahb", NULL);
 }
 
 static void __init ar724x_clk_init(struct clk *ref_clk, void __iomem *pll_base)
@@ -139,9 +136,6 @@ static void __init ar724x_clocks_init(vo
 	ref_clk = ath79_set_clk(ATH79_CLK_REF, AR724X_BASE_FREQ);
 
 	ar724x_clk_init(ref_clk, ath79_pll_base);
-
-	clk_add_alias("wdt", NULL, "ahb", NULL);
-	clk_add_alias("uart", NULL, "ahb", NULL);
 }
 
 static void __init ar9330_clk_init(struct clk *ref_clk, void __iomem *pll_base)
@@ -217,9 +211,6 @@ static void __init ar933x_clocks_init(vo
 	ref_clk = ath79_set_clk(ATH79_CLK_REF, ref_rate);
 
 	ar9330_clk_init(ref_clk, ath79_pll_base);
-
-	clk_add_alias("wdt", NULL, "ahb", NULL);
-	clk_add_alias("uart", NULL, "ref", NULL);
 }
 
 static u32 __init ar934x_get_pll_freq(u32 ref, u32 ref_div, u32 nint, u32 nfrac,
@@ -352,9 +343,6 @@ static void __init ar934x_clocks_init(vo
 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
 
-	clk_add_alias("wdt", NULL, "ref", NULL);
-	clk_add_alias("uart", NULL, "ref", NULL);
-
 	iounmap(dpll_base);
 }
 
@@ -438,9 +426,6 @@ static void __init qca953x_clocks_init(v
 	ath79_set_clk(ATH79_CLK_CPU, cpu_rate);
 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
-
-	clk_add_alias("wdt", NULL, "ref", NULL);
-	clk_add_alias("uart", NULL, "ref", NULL);
 }
 
 static void __init qca955x_clocks_init(void)
@@ -523,9 +508,6 @@ static void __init qca955x_clocks_init(v
 	ath79_set_clk(ATH79_CLK_CPU, cpu_rate);
 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
-
-	clk_add_alias("wdt", NULL, "ref", NULL);
-	clk_add_alias("uart", NULL, "ref", NULL);
 }
 
 static void __init qca956x_clocks_init(void)
@@ -617,13 +599,13 @@ static void __init qca956x_clocks_init(v
 	ath79_set_clk(ATH79_CLK_CPU, cpu_rate);
 	ath79_set_clk(ATH79_CLK_DDR, ddr_rate);
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
-
-	clk_add_alias("wdt", NULL, "ref", NULL);
-	clk_add_alias("uart", NULL, "ref", NULL);
 }
 
 void __init ath79_clocks_init(void)
 {
+	const char *wdt;
+	const char *uart;
+
 	if (soc_is_ar71xx())
 		ar71xx_clocks_init();
 	else if (soc_is_ar724x() || soc_is_ar913x())
@@ -640,6 +622,20 @@ void __init ath79_clocks_init(void)
 		qca956x_clocks_init();
 	else
 		BUG();
+
+	if (soc_is_ar71xx() || soc_is_ar724x() || soc_is_ar913x()) {
+		wdt = "ahb";
+		uart = "ahb";
+	} else if (soc_is_ar933x()) {
+		wdt = "ahb";
+		uart = "ref";
+	} else {
+		wdt = "ref";
+		uart = "ref";
+	}
+
+	clk_add_alias("wdt", NULL, wdt, NULL);
+	clk_add_alias("uart", NULL, uart, NULL);
 }
 
 unsigned long __init