修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/clk/sprd/gate.c
..
..
@@ -79,11 +79,29 @@
79
79
 
80
80
 	return 0;
81
81
 }
82
+
83
+static int sprd_pll_sc_gate_prepare(struct clk_hw *hw)
84
+{
85
+	struct sprd_gate *sg = hw_to_sprd_gate(hw);
86
+
87
+	clk_sc_gate_toggle(sg, true);
88
+	udelay(sg->udelay);
89
+
90
+	return 0;
91
+}
92
+
82
93
 static int sprd_gate_is_enabled(struct clk_hw *hw)
83
94
 {
84
95
 	struct sprd_gate *sg = hw_to_sprd_gate(hw);
85
96
 	struct sprd_clk_common *common = &sg->common;
97
+	struct clk_hw *parent;
86
98
 	unsigned int reg;
99
+
100
+	if (sg->flags & SPRD_GATE_NON_AON) {
101
+		parent = clk_hw_get_parent(hw);
102
+		if (!parent || !clk_hw_is_enabled(parent))
103
+			return 0;
104
+	}
87
105
 
88
106
 	regmap_read(common->regmap, common->reg, &reg);
89
107
 
..
..
@@ -109,3 +127,9 @@
109
127
 };
110
128
 EXPORT_SYMBOL_GPL(sprd_sc_gate_ops);
111
129
 
130
+const struct clk_ops sprd_pll_sc_gate_ops = {
131
+	.unprepare	= sprd_sc_gate_disable,
132
+	.prepare	= sprd_pll_sc_gate_prepare,
133
+	.is_enabled	= sprd_gate_is_enabled,
134
+};
135
+EXPORT_SYMBOL_GPL(sprd_pll_sc_gate_ops);