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authorMike Travis <travis@sgi.com>2008-12-31 17:34:16 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:53:31 +0100
commit7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch)
treeef1a3beae706b9497c845d0a2557ceb4d2754998 /arch/arm/plat-omap/i2c.c
parent6092848a2a23b660150a38bc06f59d75838d70c8 (diff)
parent8c384cdee3e04d6194a2c2b192b624754f990835 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/plat-omap/i2c.c')
-rw-r--r--arch/arm/plat-omap/i2c.c55
1 files changed, 36 insertions, 19 deletions
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 0e6d147ab6f..89a6ab0b7db 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -79,26 +79,43 @@ static struct platform_device omap_i2c_devices[] = {
#endif
};
-static void __init omap_i2c_mux_pins(int bus_id)
+#if defined(CONFIG_ARCH_OMAP24XX)
+static const int omap24xx_pins[][2] = {
+ { M19_24XX_I2C1_SCL, L15_24XX_I2C1_SDA },
+ { J15_24XX_I2C2_SCL, H19_24XX_I2C2_SDA },
+};
+#else
+static const int omap24xx_pins[][2] = {};
+#endif
+#if defined(CONFIG_ARCH_OMAP34XX)
+static const int omap34xx_pins[][2] = {
+ { K21_34XX_I2C1_SCL, J21_34XX_I2C1_SDA},
+ { AF15_34XX_I2C2_SCL, AE15_34XX_I2C2_SDA},
+ { AF14_34XX_I2C3_SCL, AG14_34XX_I2C3_SDA},
+};
+#else
+static const int omap34xx_pins[][2] = {};
+#endif
+
+static void __init omap_i2c_mux_pins(int bus)
{
- /* TODO: Muxing for OMAP3 */
- switch (bus_id) {
- case 1:
- if (cpu_class_is_omap1()) {
- omap_cfg_reg(I2C_SCL);
- omap_cfg_reg(I2C_SDA);
- } else if (cpu_is_omap24xx()) {
- omap_cfg_reg(M19_24XX_I2C1_SCL);
- omap_cfg_reg(L15_24XX_I2C1_SDA);
- }
- break;
- case 2:
- if (cpu_is_omap24xx()) {
- omap_cfg_reg(J15_24XX_I2C2_SCL);
- omap_cfg_reg(H19_24XX_I2C2_SDA);
- }
- break;
+ int scl, sda;
+
+ if (cpu_class_is_omap1()) {
+ scl = I2C_SCL;
+ sda = I2C_SDA;
+ } else if (cpu_is_omap24xx()) {
+ scl = omap24xx_pins[bus][0];
+ sda = omap24xx_pins[bus][1];
+ } else if (cpu_is_omap34xx()) {
+ scl = omap34xx_pins[bus][0];
+ sda = omap34xx_pins[bus][1];
+ } else {
+ return;
}
+
+ omap_cfg_reg(sda);
+ omap_cfg_reg(scl);
}
int __init omap_register_i2c_bus(int bus_id, u32 clkrate,
@@ -142,6 +159,6 @@ int __init omap_register_i2c_bus(int bus_id, u32 clkrate,
res[1].start = irq;
}
- omap_i2c_mux_pins(bus_id);
+ omap_i2c_mux_pins(bus_id - 1);
return platform_device_register(pdev);
}