Module Name:    src
Committed By:   hkenken
Date:           Tue Jul 30 06:52:58 UTC 2019

Modified Files:
        src/sys/arch/arm/imx: imxi2c.c
        src/sys/arch/arm/imx/fdt: files.imx6
        src/sys/arch/evbarm/conf: IMX
Added Files:
        src/sys/arch/arm/imx/fdt: imx6_i2c.c

Log Message:
Add IIC support.


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/arm/imx/imxi2c.c
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/imx/fdt/files.imx6
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/imx/fdt/imx6_i2c.c
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/evbarm/conf/IMX

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/arm/imx/imxi2c.c
diff -u src/sys/arch/arm/imx/imxi2c.c:1.2 src/sys/arch/arm/imx/imxi2c.c:1.3
--- src/sys/arch/arm/imx/imxi2c.c:1.2	Fri Mar 27 05:31:23 2015
+++ src/sys/arch/arm/imx/imxi2c.c	Tue Jul 30 06:52:57 2019
@@ -1,4 +1,4 @@
-/*	$NetBSD: imxi2c.c,v 1.2 2015/03/27 05:31:23 hkenken Exp $	*/
+/*	$NetBSD: imxi2c.c,v 1.3 2019/07/30 06:52:57 hkenken Exp $	*/
 
 /*
  * Copyright (c) 2012, 2015 Genetec Corporation.  All rights reserved.
@@ -27,9 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: imxi2c.c,v 1.2 2015/03/27 05:31:23 hkenken Exp $");
-
-#include "opt_imx.h"
+__KERNEL_RCSID(0, "$NetBSD: imxi2c.c,v 1.3 2019/07/30 06:52:57 hkenken Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -39,12 +37,10 @@ __KERNEL_RCSID(0, "$NetBSD: imxi2c.c,v 1
 #include <dev/i2c/motoi2creg.h>
 #include <arm/imx/imxi2cvar.h>
 
-struct clk_div {
+static const struct clk_div {
 	uint8_t ic_val;
 	int div;
-};
-
-static const struct clk_div imxi2c_clk_div[] = {
+} imxi2c_clk_div[] = {
 	{0x20, 22},   {0x21, 24},   {0x22, 26},   {0x23, 28},
 	{0x00, 30},   {0x01, 32},   {0x24, 32},   {0x02, 36},
 	{0x25, 36},   {0x26, 40},   {0x03, 42},   {0x27, 44},

Index: src/sys/arch/arm/imx/fdt/files.imx6
diff -u src/sys/arch/arm/imx/fdt/files.imx6:1.3 src/sys/arch/arm/imx/fdt/files.imx6:1.4
--- src/sys/arch/arm/imx/fdt/files.imx6:1.3	Tue Jul 30 06:26:31 2019
+++ src/sys/arch/arm/imx/fdt/files.imx6	Tue Jul 30 06:52:57 2019
@@ -1,4 +1,4 @@
-#	$NetBSD: files.imx6,v 1.3 2019/07/30 06:26:31 hkenken Exp $
+#	$NetBSD: files.imx6,v 1.4 2019/07/30 06:52:57 hkenken Exp $
 #
 # Configuration info for the Freescale i.MX6
 #
@@ -78,3 +78,9 @@ device	imxpcie: pcibus
 attach	imxpcie at fdt with imxpcie_fdt
 file	arch/arm/imx/imxpcie.c			imxpcie
 file	arch/arm/imx/fdt/imx6_pcie.c		imxpcie_fdt
+
+# iMX iic Controler
+device	imxi2c: motoi2c, i2cbus, i2cexec
+attach	imxi2c at fdt
+file	arch/arm/imx/imxi2c.c			imxi2c
+file	arch/arm/imx/fdt/imx6_i2c.c		imxi2c

Index: src/sys/arch/evbarm/conf/IMX
diff -u src/sys/arch/evbarm/conf/IMX:1.1 src/sys/arch/evbarm/conf/IMX:1.2
--- src/sys/arch/evbarm/conf/IMX:1.1	Wed Jul 24 13:12:34 2019
+++ src/sys/arch/evbarm/conf/IMX	Tue Jul 30 06:52:57 2019
@@ -1,5 +1,5 @@
 #
-#	$NetBSD: IMX,v 1.1 2019/07/24 13:12:34 hkenken Exp $
+#	$NetBSD: IMX,v 1.2 2019/07/30 06:52:57 hkenken Exp $
 #
 #	NXP(Freescale) I.MX family SoCs
 #
@@ -130,5 +130,9 @@ pci*		at imxpcie?
 ppb*		at pci? dev ? function ?
 pci*		at ppb?
 
+# IIC
+imxi2c* 	at fdt?
+iic*		at imxi2c?
+
 cinclude "arch/evbarm/conf/IMX.local"
 

Added files:

Index: src/sys/arch/arm/imx/fdt/imx6_i2c.c
diff -u /dev/null src/sys/arch/arm/imx/fdt/imx6_i2c.c:1.1
--- /dev/null	Tue Jul 30 06:52:58 2019
+++ src/sys/arch/arm/imx/fdt/imx6_i2c.c	Tue Jul 30 06:52:57 2019
@@ -0,0 +1,80 @@
+/*	$NetBSD: imx6_i2c.c,v 1.1 2019/07/30 06:52:57 hkenken Exp $	*/
+/*-
+ * Copyright (c) 2019 Genetec Corporation.  All rights reserved.
+ * Written by Hashimoto Kenichi for Genetec Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: imx6_i2c.c,v 1.1 2019/07/30 06:52:57 hkenken Exp $");
+
+#include <sys/bus.h>
+
+#include <arm/imx/imxi2cvar.h>
+
+#include <dev/fdt/fdtvar.h>
+
+int
+imxi2c_match(device_t parent, cfdata_t cf, void *aux)
+{
+	const char * const compatible[] = { "fsl,imx6q-i2c", NULL };
+	struct fdt_attach_args * const faa = aux;
+
+	return of_match_compatible(faa->faa_phandle, compatible);
+}
+
+void
+imxi2c_attach(device_t parent __unused, device_t self, void *aux)
+{
+	struct imxi2c_softc *sc = device_private(self);
+	struct fdt_attach_args * const faa = aux;
+	const int phandle = faa->faa_phandle;
+	bus_space_tag_t bst = faa->faa_bst;
+	bus_addr_t addr;
+	bus_size_t size;
+	int error;
+
+	if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
+		aprint_error(": couldn't get registers\n");
+		return;
+	}
+
+	sc->sc_clk = fdtbus_clock_get_index(phandle, 0);
+	if (sc->sc_clk == NULL) {
+		aprint_error(": couldn't get clock\n");
+		return;
+	}
+
+	error = clk_enable(sc->sc_clk);
+	if (error) {
+		aprint_error_dev(sc->sc_dev, "couldn't enable: %d\n", error);
+		return;
+	}
+
+	u_int freq;
+	error = of_getprop_uint32(phandle, "clock-frequency", &freq);
+	if (error)
+		freq = 100000;
+	imxi2c_set_freq(self, clk_get_rate(sc->sc_clk), freq);
+	imxi2c_attach_common(parent, self, bst, addr, size, -1, 0);
+}
+

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