2  * mmp APB clock operation source file
20 /* Common APB clock register bit definitions */
21 #define APBC_APBCLK	(1 << 0)  /* APB Bus Clock Enable */
29 	void __iomem		*base;  member
45 	if (apbc->lock)  in clk_apbc_prepare()
46 		spin_lock_irqsave(apbc->lock, flags);  in clk_apbc_prepare()
48 	data = readl_relaxed(apbc->base);  in clk_apbc_prepare()
49 	if (apbc->flags & APBC_POWER_CTRL)  in clk_apbc_prepare()
52 	writel_relaxed(data, apbc->base);  in clk_apbc_prepare()
54 	if (apbc->lock)  in clk_apbc_prepare()
55 		spin_unlock_irqrestore(apbc->lock, flags);  in clk_apbc_prepare()
57 	udelay(apbc->delay);  in clk_apbc_prepare()
59 	if (apbc->lock)  in clk_apbc_prepare()
60 		spin_lock_irqsave(apbc->lock, flags);  in clk_apbc_prepare()
62 	data = readl_relaxed(apbc->base);  in clk_apbc_prepare()
64 	writel_relaxed(data, apbc->base);  in clk_apbc_prepare()
66 	if (apbc->lock)  in clk_apbc_prepare()
67 		spin_unlock_irqrestore(apbc->lock, flags);  in clk_apbc_prepare()
69 	udelay(apbc->delay);  in clk_apbc_prepare()
71 	if (!(apbc->flags & APBC_NO_BUS_CTRL)) {  in clk_apbc_prepare()
72 		if (apbc->lock)  in clk_apbc_prepare()
73 			spin_lock_irqsave(apbc->lock, flags);  in clk_apbc_prepare()
75 		data = readl_relaxed(apbc->base);  in clk_apbc_prepare()
77 		writel_relaxed(data, apbc->base);  in clk_apbc_prepare()
79 		if (apbc->lock)  in clk_apbc_prepare()
80 			spin_unlock_irqrestore(apbc->lock, flags);  in clk_apbc_prepare()
92 	if (apbc->lock)  in clk_apbc_unprepare()
93 		spin_lock_irqsave(apbc->lock, flags);  in clk_apbc_unprepare()
95 	data = readl_relaxed(apbc->base);  in clk_apbc_unprepare()
96 	if (apbc->flags & APBC_POWER_CTRL)  in clk_apbc_unprepare()
99 	writel_relaxed(data, apbc->base);  in clk_apbc_unprepare()
101 	if (apbc->lock)  in clk_apbc_unprepare()
102 		spin_unlock_irqrestore(apbc->lock, flags);  in clk_apbc_unprepare()
106 	if (apbc->lock)  in clk_apbc_unprepare()
107 		spin_lock_irqsave(apbc->lock, flags);  in clk_apbc_unprepare()
109 	data = readl_relaxed(apbc->base);  in clk_apbc_unprepare()
111 	writel_relaxed(data, apbc->base);  in clk_apbc_unprepare()
113 	if (apbc->lock)  in clk_apbc_unprepare()
114 		spin_unlock_irqrestore(apbc->lock, flags);  in clk_apbc_unprepare()
123 		void __iomem *base, unsigned int delay,  in mmp_clk_register_apbc()  argument
140 	apbc->base = base;  in mmp_clk_register_apbc()
141 	apbc->delay = delay;  in mmp_clk_register_apbc()
142 	apbc->flags = apbc_flags;  in mmp_clk_register_apbc()
143 	apbc->lock = lock;  in mmp_clk_register_apbc()
144 	apbc->hw.init = &init;  in mmp_clk_register_apbc()
146 	clk = clk_register(NULL, &apbc->hw);  in mmp_clk_register_apbc()