Re: [PATCH 1/3] MIPS: Octeon: Add I2C platform driver.

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Hello.

David Daney wrote:

Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
CC: Rade Bozic <rade.bozic.ext@xxxxxxx>
[...]
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 20698a6..f2c0602 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -165,6 +165,78 @@ out:
 }
 device_initcall(octeon_rng_device_init);
+
+#define OCTEON_I2C_IO_BASE 0x1180000001000ull
+#define OCTEON_I2C_IO_UNIT_OFFSET 0x200
+
+static struct octeon_i2c_data octeon_i2c_data[2];
+
+static int __init octeon_i2c_device_init(void)
+{
+	struct platform_device *pd;
+	int ret = 0;
+	int port, num_ports;
+
+	struct resource i2c_resources[] = {
+		{
+			.flags	= IORESOURCE_MEM,
+		}, {
+			.flags	= IORESOURCE_IRQ,
+		}
+	};
+
+	if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX))
+		num_ports = 2;
+	else
+		num_ports = 1;
+
+	for (port = 0; port < num_ports; port++) {
+		octeon_i2c_data[port].sys_freq = octeon_get_clock_rate();
+		/*FIXME: should be examined. At the moment is set for 100Khz */
+		octeon_i2c_data[port].i2c_freq = 100000;
+
+		pd = platform_device_alloc("i2c-octeon", port);
+		if (!pd) {
+			ret = -ENOMEM;
+			goto out;
+		}
+
+		pd->dev.platform_data = octeon_i2c_data + port;
+
+		i2c_resources[0].start =
+			OCTEON_I2C_IO_BASE + (port * OCTEON_I2C_IO_UNIT_OFFSET);
+		i2c_resources[0].end = i2c_resources[0].start + 0x20;

  Not 0x1F?

WBR, Sergei


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