[src/trunk]: src/sys/arch Implement i2c using gpio for Exynos5 and Odroid-XU

[reinoud <reinoud%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ad8c3acd7780
branches:  trunk
changeset: 331693:ad8c3acd7780
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Tue Aug 19 16:18:15 2014 +0000

description:
Implement i2c using gpio for Exynos5 and Odroid-XU

diffstat:

 sys/arch/arm/samsung/exynos5_loc.c      |  12 +++++++++++-
 sys/arch/evbarm/odroid/odroid_machdep.c |  15 +++++++++++++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diffs (65 lines):

diff -r eef224df777b -r ad8c3acd7780 sys/arch/arm/samsung/exynos5_loc.c
--- a/sys/arch/arm/samsung/exynos5_loc.c        Tue Aug 19 15:46:46 2014 +0000
+++ b/sys/arch/arm/samsung/exynos5_loc.c        Tue Aug 19 16:18:15 2014 +0000
@@ -91,7 +91,7 @@
 #define IRQ_CPU_NFIQ_1                 IRQ_SPI(67)
 #define IRQ_CPU_NFIQ_0                 IRQ_SPI(66)
 #define IRQ_TMU                                IRQ_SPI(65)
-#define IRQ_I2C                                IRQ_SPI(64)
+#define IRQ_HDMI_I2C                   IRQ_SPI(64)
 #define IRQ_I2C7                       IRQ_SPI(63)
 #define IRQ_I2C6                       IRQ_SPI(62)
 #define IRQ_I2C5                       IRQ_SPI(61)
@@ -229,6 +229,16 @@
 
 /* flag signal the use of gpio */
 static const struct exyo_locators exynos5_i2c_locators[] = {
+                                       /* busname, sdabit, slcbit, func */
+       { "iic0", OFFANDSIZE(,I2C0), 0, IRQ_I2C0_USI0, 1 , "GPB3", 0, 1, 2 },
+       { "iic1", OFFANDSIZE(,I2C1), 1, IRQ_I2C1_USI1, 1 , "GPB3", 2, 3, 2 },
+       { "iic2", OFFANDSIZE(,I2C2), 2, IRQ_I2C2_USI2, 1 , "GPA0", 6, 7, 3 },
+       { "iic3", OFFANDSIZE(,I2C3), 3, IRQ_I2C3_USI3, 1 , "GPA1", 2, 3, 3 },
+       { "iic4", OFFANDSIZE(,I2C4), 4, IRQ_I2C4,      1 , "GPA2", 0, 1, 3 },
+       { "iic5", OFFANDSIZE(,I2C5), 5, IRQ_I2C5,      1 , "GPA2", 2, 3, 3 },
+       { "iic6", OFFANDSIZE(,I2C6), 6, IRQ_I2C6,      1 , "GPB1", 3, 4, 4 },
+       { "iic7", OFFANDSIZE(,I2C7), 7, IRQ_I2C7,      1 , "GPB2", 2, 3, 3 },
+       { "iic8", OFFANDSIZE(,I2CHDMI), 8, IRQ_HDMI_I2C, 0 , "", 0, 0, 0 },
 };
 
 
diff -r eef224df777b -r ad8c3acd7780 sys/arch/evbarm/odroid/odroid_machdep.c
--- a/sys/arch/evbarm/odroid/odroid_machdep.c   Tue Aug 19 15:46:46 2014 +0000
+++ b/sys/arch/evbarm/odroid/odroid_machdep.c   Tue Aug 19 16:18:15 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: odroid_machdep.c,v 1.26 2014/08/14 15:57:51 reinoud Exp $ */
+/*     $NetBSD: odroid_machdep.c,v 1.27 2014/08/19 16:18:15 reinoud Exp $ */
 
 /*
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: odroid_machdep.c,v 1.26 2014/08/14 15:57:51 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: odroid_machdep.c,v 1.27 2014/08/19 16:18:15 reinoud Exp $");
 
 #include "opt_evbarm_boardtype.h"
 #include "opt_exynos.h"
@@ -720,6 +720,17 @@
                /* internal hub IIRC, unknown if this line exists */
                //prop_dictionary_set_cstring(dict, "p3v3_en", ">GPA1[3]");
        }
+       if (device_is_a(self, "exyoiic") && (IS_EXYNOS5_P())) {
+               /* IIC0 not used (NC) */
+               prop_dictionary_set_bool(dict, "iic1_enable", true);
+               prop_dictionary_set_bool(dict, "iic2_enable", true);
+               /* IIC3 not used (NC) */
+               prop_dictionary_set_bool(dict, "iic4_enable", true);
+               /* IIC5 not used (NC) */
+               /* IIC6 used differently (SCLK used as led1) */
+               /* IIC7 used differently (PWM, though NC)    */
+               /* IIC8 HDMI, not possible trough GPIO */
+       }
 #endif
 }