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-rw-r--r--arch/arm/mach-shmobile/Kconfig10
-rw-r--r--arch/arm/mach-shmobile/headsmp-scu.S13
-rw-r--r--arch/arm/mach-shmobile/headsmp.S7
-rw-r--r--arch/arm/mach-shmobile/platsmp-scu.c5
-rw-r--r--arch/arm/mach-shmobile/platsmp.c5
-rw-r--r--arch/arm/mach-shmobile/pm-rcar-gen2.c5
-rw-r--r--arch/arm/mach-shmobile/pm-rmobile.c7
-rw-r--r--arch/arm/mach-shmobile/pm-rmobile.h7
-rw-r--r--arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c139
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c2
-rw-r--r--arch/arm/mach-shmobile/setup-rcar-gen2.c2
-rw-r--r--arch/arm/mach-shmobile/smp-sh73a0.c10
-rw-r--r--arch/arm/mach-shmobile/suspend.c5
-rw-r--r--arch/arm/mach-shmobile/timer.c10
14 files changed, 132 insertions, 95 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 94e9431d92b8..b100c26a858f 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -1,6 +1,4 @@
-config ARCH_SHMOBILE
- bool
-
+# SPDX-License-Identifier: GPL-2.0
config PM_RMOBILE
bool
select PM
@@ -30,7 +28,6 @@ config ARCH_RMOBILE
menuconfig ARCH_RENESAS
bool "Renesas ARM SoCs"
depends on ARCH_MULTI_V7 && MMU
- select ARCH_SHMOBILE
select ARM_GIC
select GPIOLIB
select HAVE_ARM_SCU if SMP
@@ -78,6 +75,11 @@ config ARCH_R8A7743
select ARCH_RCAR_GEN2
select ARM_ERRATA_798181 if SMP
+config ARCH_R8A7744
+ bool "RZ/G1N (R8A77440)"
+ select ARCH_RCAR_GEN2
+ select ARM_ERRATA_798181 if SMP
+
config ARCH_R8A7745
bool "RZ/G1E (R8A77450)"
select ARCH_RCAR_GEN2
diff --git a/arch/arm/mach-shmobile/headsmp-scu.S b/arch/arm/mach-shmobile/headsmp-scu.S
index 936d7011c314..d0234296ae62 100644
--- a/arch/arm/mach-shmobile/headsmp-scu.S
+++ b/arch/arm/mach-shmobile/headsmp-scu.S
@@ -1,17 +1,8 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0+
+ *
* Shared SCU setup for mach-shmobile
*
* Copyright (C) 2012 Bastian Hecht
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/linkage.h>
diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S
index cef8e8c555f8..9466ae61f56a 100644
--- a/arch/arm/mach-shmobile/headsmp.S
+++ b/arch/arm/mach-shmobile/headsmp.S
@@ -1,14 +1,11 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
* SMP support for R-Mobile / SH-Mobile
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2010 Takashi Yoshii
*
* Based on vexpress, Copyright (c) 2003 ARM Limited, All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/linkage.h>
diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c
index f1a1efde4beb..fcfcef1d1ae4 100644
--- a/arch/arm/mach-shmobile/platsmp-scu.c
+++ b/arch/arm/mach-shmobile/platsmp-scu.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for SoCs with SCU covered by mach-shmobile
*
* Copyright (C) 2013 Magnus Damm
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/cpu.h>
#include <linux/delay.h>
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index b23378f3d7e1..7437c01513f6 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for R-Mobile / SH-Mobile
*
@@ -5,10 +6,6 @@
* Copyright (C) 2011 Paul Mundt
*
* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <asm/cacheflush.h>
diff --git a/arch/arm/mach-shmobile/pm-rcar-gen2.c b/arch/arm/mach-shmobile/pm-rcar-gen2.c
index 7efe95bd584f..8c2a20591524 100644
--- a/arch/arm/mach-shmobile/pm-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/pm-rcar-gen2.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* R-Car Generation 2 Power management support
*
* Copyright (C) 2013 - 2015 Renesas Electronics Corporation
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
index 94fdeef11b81..c6a11b5ec6db 100644
--- a/arch/arm/mach-shmobile/pm-rmobile.c
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* rmobile power management support
*
@@ -7,10 +8,6 @@
*
* based on pm-sh7372.c
* Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/clk/renesas.h>
#include <linux/console.h>
@@ -189,7 +186,7 @@ static void __init add_special_pd(struct device_node *np, enum pd_types type)
return;
}
- pr_debug("Special PM domain %s type %d for %pOF\n", pd->name, type, np);
+ pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
special_pds[num_special_pds].pd = pd;
special_pds[num_special_pds].type = type;
diff --git a/arch/arm/mach-shmobile/pm-rmobile.h b/arch/arm/mach-shmobile/pm-rmobile.h
index 8146bb6d7237..69f839259b09 100644
--- a/arch/arm/mach-shmobile/pm-rmobile.h
+++ b/arch/arm/mach-shmobile/pm-rmobile.h
@@ -1,11 +1,8 @@
-/*
+/* SPDX-License-Identifier: GPL-2.0
+ *
* Copyright (C) 2012 Renesas Solutions Corp.
*
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#ifndef PM_RMOBILE_H
#define PM_RMOBILE_H
diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
index 21ebc7678ffd..8e50daa99151 100644
--- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c
@@ -23,11 +23,12 @@
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/of.h>
+#include <linux/of_irq.h>
#include <linux/mfd/da9063/registers.h>
-
#define IRQC_BASE 0xe61c0000
#define IRQC_MONITOR 0x104 /* IRQn Signal Level Monitor Register */
@@ -36,34 +37,45 @@
/* start of DA9210 System Control and Event Registers */
#define DA9210_REG_MASK_A 0x54
+struct regulator_quirk {
+ struct list_head list;
+ const struct of_device_id *id;
+ struct of_phandle_args irq_args;
+ struct i2c_msg i2c_msg;
+ bool shared; /* IRQ line is shared */
+};
+
+static LIST_HEAD(quirk_list);
static void __iomem *irqc;
/* first byte sets the memory pointer, following are consecutive reg values */
static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff };
static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff };
-static struct i2c_msg da9xxx_msgs[3] = {
- {
- .addr = 0x58,
- .len = ARRAY_SIZE(da9063_irq_clr),
- .buf = da9063_irq_clr,
- }, {
- .addr = 0x68,
- .len = ARRAY_SIZE(da9210_irq_clr),
- .buf = da9210_irq_clr,
- }, {
- .addr = 0x70,
- .len = ARRAY_SIZE(da9210_irq_clr),
- .buf = da9210_irq_clr,
- },
+static struct i2c_msg da9063_msg = {
+ .len = ARRAY_SIZE(da9063_irq_clr),
+ .buf = da9063_irq_clr,
+};
+
+static struct i2c_msg da9210_msg = {
+ .len = ARRAY_SIZE(da9210_irq_clr),
+ .buf = da9210_irq_clr,
+};
+
+static const struct of_device_id rcar_gen2_quirk_match[] = {
+ { .compatible = "dlg,da9063", .data = &da9063_msg },
+ { .compatible = "dlg,da9210", .data = &da9210_msg },
+ {},
};
static int regulator_quirk_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
+ struct regulator_quirk *pos, *tmp;
struct device *dev = data;
struct i2c_client *client;
static bool done;
+ int ret;
u32 mon;
if (done)
@@ -80,17 +92,20 @@ static int regulator_quirk_notify(struct notifier_block *nb,
client = to_i2c_client(dev);
dev_dbg(dev, "Detected %s\n", client->name);
- if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) ||
- (client->addr == 0x68 && !strcmp(client->name, "da9210")) ||
- (client->addr == 0x70 && !strcmp(client->name, "da9210"))) {
- int ret, len;
+ /*
+ * Send message to all PMICs that share an IRQ line to deassert it.
+ *
+ * WARNING: This works only if all the PMICs are on the same I2C bus.
+ */
+ list_for_each_entry(pos, &quirk_list, list) {
+ if (!pos->shared)
+ continue;
- /* There are two DA9210 on Stout, one on the other boards. */
- len = of_machine_is_compatible("renesas,stout") ? 3 : 2;
+ dev_info(&client->dev, "clearing %s@0x%02x interrupts\n",
+ pos->id->compatible, pos->i2c_msg.addr);
- dev_info(&client->dev, "clearing da9063/da9210 interrupts\n");
- ret = i2c_transfer(client->adapter, da9xxx_msgs, len);
- if (ret != len)
+ ret = i2c_transfer(client->adapter, &pos->i2c_msg, 1);
+ if (ret != 1)
dev_err(&client->dev, "i2c error %d\n", ret);
}
@@ -103,6 +118,11 @@ static int regulator_quirk_notify(struct notifier_block *nb,
remove:
dev_info(dev, "IRQ2 is not asserted, removing quirk\n");
+ list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
+ list_del(&pos->list);
+ kfree(pos);
+ }
+
done = true;
iounmap(irqc);
return 0;
@@ -114,7 +134,12 @@ static struct notifier_block regulator_quirk_nb = {
static int __init rcar_gen2_regulator_quirk(void)
{
- u32 mon;
+ struct regulator_quirk *quirk, *pos, *tmp;
+ struct of_phandle_args *argsa, *argsb;
+ const struct of_device_id *id;
+ struct device_node *np;
+ u32 mon, addr;
+ int ret;
if (!of_machine_is_compatible("renesas,koelsch") &&
!of_machine_is_compatible("renesas,lager") &&
@@ -122,22 +147,78 @@ static int __init rcar_gen2_regulator_quirk(void)
!of_machine_is_compatible("renesas,gose"))
return -ENODEV;
+ for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) {
+ if (!of_device_is_available(np))
+ break;
+
+ ret = of_property_read_u32(np, "reg", &addr);
+ if (ret) /* Skip invalid entry and continue */
+ continue;
+
+ quirk = kzalloc(sizeof(*quirk), GFP_KERNEL);
+ if (!quirk) {
+ ret = -ENOMEM;
+ goto err_mem;
+ }
+
+ argsa = &quirk->irq_args;
+ memcpy(&quirk->i2c_msg, id->data, sizeof(quirk->i2c_msg));
+
+ quirk->id = id;
+ quirk->i2c_msg.addr = addr;
+
+ ret = of_irq_parse_one(np, 0, argsa);
+ if (ret) { /* Skip invalid entry and continue */
+ kfree(quirk);
+ continue;
+ }
+
+ list_for_each_entry(pos, &quirk_list, list) {
+ argsb = &pos->irq_args;
+
+ if (argsa->args_count != argsb->args_count)
+ continue;
+
+ ret = memcmp(argsa->args, argsb->args,
+ argsa->args_count *
+ sizeof(argsa->args[0]));
+ if (!ret) {
+ pos->shared = true;
+ quirk->shared = true;
+ }
+ }
+
+ list_add_tail(&quirk->list, &quirk_list);
+ }
+
irqc = ioremap(IRQC_BASE, PAGE_SIZE);
- if (!irqc)
- return -ENOMEM;
+ if (!irqc) {
+ ret = -ENOMEM;
+ goto err_mem;
+ }
mon = ioread32(irqc + IRQC_MONITOR);
if (mon & REGULATOR_IRQ_MASK) {
pr_debug("%s: IRQ2 is not asserted, not installing quirk\n",
__func__);
- iounmap(irqc);
- return 0;
+ ret = 0;
+ goto err_free;
}
pr_info("IRQ2 is asserted, installing da9063/da9210 regulator quirk\n");
bus_register_notifier(&i2c_bus_type, &regulator_quirk_nb);
return 0;
+
+err_free:
+ iounmap(irqc);
+err_mem:
+ list_for_each_entry_safe(pos, tmp, &quirk_list, list) {
+ list_del(&pos->list);
+ kfree(pos);
+ }
+
+ return ret;
}
arch_initcall(rcar_gen2_regulator_quirk);
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index d589326099e0..b13ec9088ce5 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -7,9 +7,7 @@
* Copyright (C) 2013 Cogent Embedded, Inc.
*/
#include <linux/init.h>
-#include <linux/irq.h>
#include <linux/irqchip.h>
-#include <linux/irqchip/arm-gic.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c
index 013acc97795c..eea60b20c6b4 100644
--- a/arch/arm/mach-shmobile/setup-rcar-gen2.c
+++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c
@@ -25,6 +25,7 @@
static const struct of_device_id cpg_matches[] __initconst = {
{ .compatible = "renesas,rcar-gen2-cpg-clocks", },
{ .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" },
+ { .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7791-cpg-mssr", .data = "extal" },
{ .compatible = "renesas,r8a7793-cpg-mssr", .data = "extal" },
@@ -193,6 +194,7 @@ MACHINE_END
static const char * const rz_g1_boards_compat_dt[] __initconst = {
"renesas,r8a7743",
+ "renesas,r8a7744",
"renesas,r8a7745",
"renesas,r8a77470",
NULL,
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 41137404382e..9bc543faba96 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SMP support for R-Mobile / SH-Mobile - sh73a0 portion
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2010 Takashi Yoshii
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/init.h>
diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c
index 74b30bade2c1..3969a499746e 100644
--- a/arch/arm/mach-shmobile/suspend.c
+++ b/arch/arm/mach-shmobile/suspend.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Suspend-to-RAM support code for SH-Mobile ARM
*
* Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/pm.h>
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
index e48b0939693f..2335311b5f36 100644
--- a/arch/arm/mach-shmobile/timer.c
+++ b/arch/arm/mach-shmobile/timer.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SH-Mobile Timer
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2002 - 2009 Paul Mundt
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/platform_device.h>
#include <linux/clocksource.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 07:09:36 +0000