diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:36:49 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 17:36:49 -0800 |
commit | 14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch) | |
tree | 885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /arch/arm/plat-omap/i2c.c | |
parent | 1af237a099a3b8ff56aa384f605c6a68af7bf288 (diff) | |
parent | 47992cbdaef2f18a47871b2ed01ad27f568c8b73 (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits)
[ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices
[ARM] pxafb: cleanup of the timing checking code
[ARM] pxafb: cleanup of the color format manipulation code
[ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3
[ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching
[ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset
[ARM] pxafb: allow video memory size to be configurable
[ARM] pxa: add document on the MFP design and how to use it
[ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant
[ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant
[ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad)
[ARM] pxa: Update eseries defconfig
[ARM] 5352/1: add w90p910-plat config file
[ARM] s3c: S3C options should depend on PLAT_S3C
[ARM] mv78xx0: implement GPIO and GPIO interrupt support
[ARM] Kirkwood: implement GPIO and GPIO interrupt support
[ARM] Orion: share GPIO IRQ handling code
[ARM] Orion: share GPIO handling code
[ARM] s3c: define __io using the typesafe version
[ARM] S3C64XX: Ensure CPU_V6 is selected
...
Diffstat (limited to 'arch/arm/plat-omap/i2c.c')
-rw-r--r-- | arch/arm/plat-omap/i2c.c | 55 |
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); } |