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-rw-r--r--arch/arm/plat-omap/i2c.c67
1 files changed, 47 insertions, 20 deletions
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index f044b5927508..78d1cea9118d 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -100,33 +100,44 @@ static int __init omap_i2c_nr_ports(void)
100 return ports; 100 return ports;
101} 101}
102 102
103static int __init omap_i2c_add_bus(int bus_id) 103/* Shared between omap2 and 3 */
104static resource_size_t omap2_i2c_irq[3] __initdata = {
105 INT_24XX_I2C1_IRQ,
106 INT_24XX_I2C2_IRQ,
107 INT_34XX_I2C3_IRQ,
108};
109
110static inline int omap1_i2c_add_bus(struct platform_device *pdev, int bus_id)
104{ 111{
105 struct platform_device *pdev;
106 struct omap_i2c_bus_platform_data *pd; 112 struct omap_i2c_bus_platform_data *pd;
107 struct resource *res; 113 struct resource *res;
108 resource_size_t base, irq;
109 114
110 pdev = &omap_i2c_devices[bus_id - 1];
111 pd = pdev->dev.platform_data; 115 pd = pdev->dev.platform_data;
116 res = pdev->resource;
117 res[0].start = OMAP1_I2C_BASE;
118 res[0].end = res[0].start + OMAP_I2C_SIZE;
119 res[1].start = INT_I2C;
120 omap1_i2c_mux_pins(bus_id);
121
122 return platform_device_register(pdev);
123}
124
125static inline int omap2_i2c_add_bus(struct platform_device *pdev, int bus_id)
126{
127 struct resource *res;
128 resource_size_t *irq;
129
130 res = pdev->resource;
131
132 irq = omap2_i2c_irq;
133
112 if (bus_id == 1) { 134 if (bus_id == 1) {
113 res = pdev->resource; 135 res[0].start = OMAP2_I2C_BASE1;
114 if (cpu_class_is_omap1()) { 136 res[0].end = res[0].start + OMAP_I2C_SIZE;
115 base = OMAP1_I2C_BASE;
116 irq = INT_I2C;
117 } else {
118 base = OMAP2_I2C_BASE1;
119 irq = INT_24XX_I2C1_IRQ;
120 }
121 res[0].start = base;
122 res[0].end = base + OMAP_I2C_SIZE;
123 res[1].start = irq;
124 } 137 }
125 138
126 if (cpu_class_is_omap1()) 139 res[1].start = irq[bus_id - 1];
127 omap1_i2c_mux_pins(bus_id); 140 omap2_i2c_mux_pins(bus_id);
128 if (cpu_class_is_omap2())
129 omap2_i2c_mux_pins(bus_id);
130 141
131 /* 142 /*
132 * When waiting for completion of a i2c transfer, we need to 143 * When waiting for completion of a i2c transfer, we need to
@@ -134,12 +145,28 @@ static int __init omap_i2c_add_bus(int bus_id)
134 * ensure quick enough wakeup from idle, when transfer 145 * ensure quick enough wakeup from idle, when transfer
135 * completes. 146 * completes.
136 */ 147 */
137 if (cpu_is_omap34xx()) 148 if (cpu_is_omap34xx()) {
149 struct omap_i2c_bus_platform_data *pd;
150
151 pd = pdev->dev.platform_data;
138 pd->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat; 152 pd->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat;
153 }
139 154
140 return platform_device_register(pdev); 155 return platform_device_register(pdev);
141} 156}
142 157
158static int __init omap_i2c_add_bus(int bus_id)
159{
160 struct platform_device *pdev;
161
162 pdev = &omap_i2c_devices[bus_id - 1];
163
164 if (cpu_class_is_omap1())
165 return omap1_i2c_add_bus(pdev, bus_id);
166 else
167 return omap2_i2c_add_bus(pdev, bus_id);
168}
169
143/** 170/**
144 * omap_i2c_bus_setup - Process command line options for the I2C bus speed 171 * omap_i2c_bus_setup - Process command line options for the I2C bus speed
145 * @str: String of options 172 * @str: String of options