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-rw-r--r--arch/arm/mach-tegra/board-harmony-pcie.c1
-rw-r--r--arch/arm/mach-tegra/board-harmony-pinmux.c1
-rw-r--r--arch/arm/mach-tegra/board-paz00-pinmux.c1
-rw-r--r--arch/arm/mach-tegra/board-trimslice-pinmux.c1
-rw-r--r--arch/arm/mach-tegra/include/mach/pinmux.h25
-rw-r--r--arch/arm/mach-tegra/pinmux-tegra20-tables.c15
-rw-r--r--arch/arm/mach-tegra/pinmux.c105
7 files changed, 86 insertions, 63 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c
index 6db7d699ef1..bd402d0d5d0 100644
--- a/arch/arm/mach-tegra/board-harmony-pcie.c
+++ b/arch/arm/mach-tegra/board-harmony-pcie.c
@@ -23,6 +23,7 @@
#include <asm/mach-types.h>
#include <mach/pinmux.h>
+#include <mach/pinmux-tegra20.h>
#include "board.h"
#include "board-harmony.h"
diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c
index 7a4a26d5174..b8a2485e3cb 100644
--- a/arch/arm/mach-tegra/board-harmony-pinmux.c
+++ b/arch/arm/mach-tegra/board-harmony-pinmux.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <mach/pinmux.h>
+#include <mach/pinmux-tegra20.h>
#include "gpio-names.h"
#include "board-harmony.h"
diff --git a/arch/arm/mach-tegra/board-paz00-pinmux.c b/arch/arm/mach-tegra/board-paz00-pinmux.c
index be30e215f4b..bc1fe58c26f 100644
--- a/arch/arm/mach-tegra/board-paz00-pinmux.c
+++ b/arch/arm/mach-tegra/board-paz00-pinmux.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <mach/pinmux.h>
+#include <mach/pinmux-tegra20.h>
#include "gpio-names.h"
#include "board-paz00.h"
diff --git a/arch/arm/mach-tegra/board-trimslice-pinmux.c b/arch/arm/mach-tegra/board-trimslice-pinmux.c
index 7ab719d46da..7331e15b73c 100644
--- a/arch/arm/mach-tegra/board-trimslice-pinmux.c
+++ b/arch/arm/mach-tegra/board-trimslice-pinmux.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <mach/pinmux.h>
+#include <mach/pinmux-tegra20.h>
#include "gpio-names.h"
#include "board-trimslice.h"
diff --git a/arch/arm/mach-tegra/include/mach/pinmux.h b/arch/arm/mach-tegra/include/mach/pinmux.h
index b93df9e3134..35999ce7c9b 100644
--- a/arch/arm/mach-tegra/include/mach/pinmux.h
+++ b/arch/arm/mach-tegra/include/mach/pinmux.h
@@ -17,12 +17,6 @@
#ifndef __MACH_TEGRA_PINMUX_H
#define __MACH_TEGRA_PINMUX_H
-#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
-#include "pinmux-tegra20.h"
-#else
-#error "Undefined Tegra architecture"
-#endif
-
enum tegra_mux_func {
TEGRA_MUX_RSVD = 0x8000,
TEGRA_MUX_RSVD1 = 0x8000,
@@ -118,7 +112,7 @@ enum tegra_vddio {
};
struct tegra_pingroup_config {
- enum tegra_pingroup pingroup;
+ int pingroup;
enum tegra_mux_func func;
enum tegra_pullupdown pupd;
enum tegra_tristate tristate;
@@ -187,7 +181,7 @@ enum tegra_schmitt {
};
struct tegra_drive_pingroup_config {
- enum tegra_drive_pingroup pingroup;
+ int pingroup;
enum tegra_hsm hsm;
enum tegra_schmitt schmitt;
enum tegra_drive drive;
@@ -219,13 +213,15 @@ struct tegra_pingroup_desc {
s8 pupd_bit; /* offset into the PULL_UPDOWN_REG_* register bit */
};
-extern const struct tegra_pingroup_desc tegra_soc_pingroups[];
-extern const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[];
+typedef void (*pinmux_init) (const struct tegra_pingroup_desc **pg,
+ int *pg_max, const struct tegra_drive_pingroup_desc **pgdrive,
+ int *pgdrive_max);
-int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
- enum tegra_tristate tristate);
-int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
- enum tegra_pullupdown pupd);
+void tegra20_pinmux_init(const struct tegra_pingroup_desc **pg, int *pg_max,
+ const struct tegra_drive_pingroup_desc **pgdrive, int *pgdrive_max);
+
+int tegra_pinmux_set_tristate(int pg, enum tegra_tristate tristate);
+int tegra_pinmux_set_pullupdown(int pg, enum tegra_pullupdown pupd);
void tegra_pinmux_config_table(const struct tegra_pingroup_config *config,
int len);
@@ -241,4 +237,3 @@ void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *conf
void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *config,
int len, enum tegra_pullupdown pupd);
#endif
-
diff --git a/arch/arm/mach-tegra/pinmux-tegra20-tables.c b/arch/arm/mach-tegra/pinmux-tegra20-tables.c
index 88642a54e3a..efe6aeeea47 100644
--- a/arch/arm/mach-tegra/pinmux-tegra20-tables.c
+++ b/arch/arm/mach-tegra/pinmux-tegra20-tables.c
@@ -44,7 +44,7 @@
.reg = ((r) - PINGROUP_REG_A) \
}
-const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[TEGRA_MAX_DRIVE_PINGROUP] = {
+static const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[TEGRA_MAX_DRIVE_PINGROUP] = {
DRIVE_PINGROUP(AO1, 0x868),
DRIVE_PINGROUP(AO2, 0x86c),
DRIVE_PINGROUP(AT1, 0x870),
@@ -108,7 +108,7 @@ const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[TEGRA_MAX_DRIVE
.pupd_bit = pupd_b, \
}
-const struct tegra_pingroup_desc tegra_soc_pingroups[TEGRA_MAX_PINGROUP] = {
+static const struct tegra_pingroup_desc tegra_soc_pingroups[TEGRA_MAX_PINGROUP] = {
PINGROUP(ATA, NAND, IDE, NAND, GMI, RSVD, IDE, 0x14, 0, 0x80, 24, 0xA0, 0),
PINGROUP(ATB, NAND, IDE, NAND, GMI, SDIO4, IDE, 0x14, 1, 0x80, 16, 0xA0, 2),
PINGROUP(ATC, NAND, IDE, NAND, GMI, SDIO4, IDE, 0x14, 2, 0x80, 22, 0xA0, 4),
@@ -227,3 +227,14 @@ const struct tegra_pingroup_desc tegra_soc_pingroups[TEGRA_MAX_PINGROUP] = {
PINGROUP(XM2C, DDR, RSVD, RSVD, RSVD, RSVD, RSVD, -1, -1, -1, -1, 0xA8, 30),
PINGROUP(XM2D, DDR, RSVD, RSVD, RSVD, RSVD, RSVD, -1, -1, -1, -1, 0xA8, 28),
};
+
+void __init tegra20_pinmux_init(const struct tegra_pingroup_desc **pg,
+ int *pg_max, const struct tegra_drive_pingroup_desc **pgdrive,
+ int *pgdrive_max)
+{
+ *pg = tegra_soc_pingroups;
+ *pg_max = TEGRA_MAX_PINGROUP;
+ *pgdrive = tegra_soc_drive_pingroups;
+ *pgdrive_max = TEGRA_MAX_DRIVE_PINGROUP;
+}
+
diff --git a/arch/arm/mach-tegra/pinmux.c b/arch/arm/mach-tegra/pinmux.c
index 1d201650d7a..45ebd8ceccc 100644
--- a/arch/arm/mach-tegra/pinmux.c
+++ b/arch/arm/mach-tegra/pinmux.c
@@ -21,6 +21,7 @@
#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/of_device.h>
#include <mach/iomap.h>
#include <mach/pinmux.h>
@@ -33,8 +34,10 @@
#define SLWR(reg) (((reg) >> 28) & 0x3)
#define SLWF(reg) (((reg) >> 30) & 0x3)
-static const struct tegra_pingroup_desc *const pingroups = tegra_soc_pingroups;
-static const struct tegra_drive_pingroup_desc *const drive_pingroups = tegra_soc_drive_pingroups;
+static const struct tegra_pingroup_desc *pingroups;
+static const struct tegra_drive_pingroup_desc *drive_pingroups;
+static int pingroup_max;
+static int drive_max;
static char *tegra_mux_names[TEGRA_MAX_MUX] = {
[TEGRA_MUX_AHB_CLK] = "AHB_CLK",
@@ -116,9 +119,9 @@ static const char *tegra_slew_names[TEGRA_MAX_SLEW] = {
static DEFINE_SPINLOCK(mux_lock);
-static const char *pingroup_name(enum tegra_pingroup pg)
+static const char *pingroup_name(int pg)
{
- if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ if (pg < 0 || pg >= pingroup_max)
return "<UNKNOWN>";
return pingroups[pg].name;
@@ -189,10 +192,10 @@ static int tegra_pinmux_set_func(const struct tegra_pingroup_config *config)
int i;
unsigned long reg;
unsigned long flags;
- enum tegra_pingroup pg = config->pingroup;
+ int pg = config->pingroup;
enum tegra_mux_func func = config->func;
- if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ if (pg < 0 || pg >= pingroup_max)
return -ERANGE;
if (pingroups[pg].mux_reg < 0)
@@ -230,13 +233,12 @@ static int tegra_pinmux_set_func(const struct tegra_pingroup_config *config)
return 0;
}
-int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
- enum tegra_tristate tristate)
+int tegra_pinmux_set_tristate(int pg, enum tegra_tristate tristate)
{
unsigned long reg;
unsigned long flags;
- if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ if (pg < 0 || pg >= pingroup_max)
return -ERANGE;
if (pingroups[pg].tri_reg < 0)
@@ -255,13 +257,12 @@ int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
return 0;
}
-int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
- enum tegra_pullupdown pupd)
+int tegra_pinmux_set_pullupdown(int pg, enum tegra_pullupdown pupd)
{
unsigned long reg;
unsigned long flags;
- if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ if (pg < 0 || pg >= pingroup_max)
return -ERANGE;
if (pingroups[pg].pupd_reg < 0)
@@ -287,7 +288,7 @@ int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
static void tegra_pinmux_config_pingroup(const struct tegra_pingroup_config *config)
{
- enum tegra_pingroup pingroup = config->pingroup;
+ int pingroup = config->pingroup;
enum tegra_mux_func func = config->func;
enum tegra_pullupdown pupd = config->pupd;
enum tegra_tristate tristate = config->tristate;
@@ -323,9 +324,9 @@ void tegra_pinmux_config_table(const struct tegra_pingroup_config *config, int l
tegra_pinmux_config_pingroup(&config[i]);
}
-static const char *drive_pinmux_name(enum tegra_drive_pingroup pg)
+static const char *drive_pinmux_name(int pg)
{
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return "<UNKNOWN>";
return drive_pingroups[pg].name;
@@ -352,12 +353,11 @@ static const char *slew_name(unsigned long val)
return tegra_slew_names[val];
}
-static int tegra_drive_pinmux_set_hsm(enum tegra_drive_pingroup pg,
- enum tegra_hsm hsm)
+static int tegra_drive_pinmux_set_hsm(int pg, enum tegra_hsm hsm)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (hsm != TEGRA_HSM_ENABLE && hsm != TEGRA_HSM_DISABLE)
@@ -377,12 +377,11 @@ static int tegra_drive_pinmux_set_hsm(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_schmitt(enum tegra_drive_pingroup pg,
- enum tegra_schmitt schmitt)
+static int tegra_drive_pinmux_set_schmitt(int pg, enum tegra_schmitt schmitt)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (schmitt != TEGRA_SCHMITT_ENABLE && schmitt != TEGRA_SCHMITT_DISABLE)
@@ -402,12 +401,11 @@ static int tegra_drive_pinmux_set_schmitt(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_drive(enum tegra_drive_pingroup pg,
- enum tegra_drive drive)
+static int tegra_drive_pinmux_set_drive(int pg, enum tegra_drive drive)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (drive < 0 || drive >= TEGRA_MAX_DRIVE)
@@ -425,12 +423,12 @@ static int tegra_drive_pinmux_set_drive(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_pull_down(enum tegra_drive_pingroup pg,
+static int tegra_drive_pinmux_set_pull_down(int pg,
enum tegra_pull_strength pull_down)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (pull_down < 0 || pull_down >= TEGRA_MAX_PULL)
@@ -448,12 +446,12 @@ static int tegra_drive_pinmux_set_pull_down(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_pull_up(enum tegra_drive_pingroup pg,
+static int tegra_drive_pinmux_set_pull_up(int pg,
enum tegra_pull_strength pull_up)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (pull_up < 0 || pull_up >= TEGRA_MAX_PULL)
@@ -471,12 +469,12 @@ static int tegra_drive_pinmux_set_pull_up(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_slew_rising(enum tegra_drive_pingroup pg,
+static int tegra_drive_pinmux_set_slew_rising(int pg,
enum tegra_slew slew_rising)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (slew_rising < 0 || slew_rising >= TEGRA_MAX_SLEW)
@@ -494,12 +492,12 @@ static int tegra_drive_pinmux_set_slew_rising(enum tegra_drive_pingroup pg,
return 0;
}
-static int tegra_drive_pinmux_set_slew_falling(enum tegra_drive_pingroup pg,
+static int tegra_drive_pinmux_set_slew_falling(int pg,
enum tegra_slew slew_falling)
{
unsigned long flags;
u32 reg;
- if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ if (pg < 0 || pg >= drive_max)
return -ERANGE;
if (slew_falling < 0 || slew_falling >= TEGRA_MAX_SLEW)
@@ -517,7 +515,7 @@ static int tegra_drive_pinmux_set_slew_falling(enum tegra_drive_pingroup pg,
return 0;
}
-static void tegra_drive_pinmux_config_pingroup(enum tegra_drive_pingroup pingroup,
+static void tegra_drive_pinmux_config_pingroup(int pingroup,
enum tegra_hsm hsm,
enum tegra_schmitt schmitt,
enum tegra_drive drive,
@@ -596,7 +594,7 @@ void tegra_pinmux_set_safe_pinmux_table(const struct tegra_pingroup_config *conf
for (i = 0; i < len; i++) {
int err;
c = config[i];
- if (c.pingroup < 0 || c.pingroup >= TEGRA_MAX_PINGROUP) {
+ if (c.pingroup < 0 || c.pingroup >= pingroup_max) {
WARN_ON(1);
continue;
}
@@ -617,7 +615,7 @@ void tegra_pinmux_config_pinmux_table(const struct tegra_pingroup_config *config
for (i = 0; i < len; i++) {
int err;
if (config[i].pingroup < 0 ||
- config[i].pingroup >= TEGRA_MAX_PINGROUP) {
+ config[i].pingroup >= pingroup_max) {
WARN_ON(1);
continue;
}
@@ -635,7 +633,7 @@ void tegra_pinmux_config_tristate_table(const struct tegra_pingroup_config *conf
{
int i;
int err;
- enum tegra_pingroup pingroup;
+ int pingroup;
for (i = 0; i < len; i++) {
pingroup = config[i].pingroup;
@@ -654,7 +652,7 @@ void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *co
{
int i;
int err;
- enum tegra_pingroup pingroup;
+ int pingroup;
for (i = 0; i < len; i++) {
pingroup = config[i].pingroup;
@@ -668,11 +666,31 @@ void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *co
}
}
+static struct of_device_id tegra_pinmux_of_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra20-pinmux", tegra20_pinmux_init },
+ { },
+};
+
static int __devinit tegra_pinmux_probe(struct platform_device *pdev)
{
struct resource *res;
int i;
int config_bad = 0;
+ const struct of_device_id *match;
+
+ match = of_match_device(tegra_pinmux_of_match, &pdev->dev);
+
+ if (match)
+ ((pinmux_init)(match->data))(&pingroups, &pingroup_max,
+ &drive_pingroups, &drive_max);
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ else
+ /* no device tree available, so we must be on tegra20 */
+ tegra20_pinmux_init(&pingroups, &pingroup_max,
+ &drive_pingroups, &drive_max);
+#else
+ pr_warn("non Tegra20 platform requires pinmux devicetree node\n");
+#endif
for (i = 0; ; i++) {
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
@@ -681,7 +699,7 @@ static int __devinit tegra_pinmux_probe(struct platform_device *pdev)
}
nbanks = i;
- for (i = 0; i < TEGRA_MAX_PINGROUP; i++) {
+ for (i = 0; i < pingroup_max; i++) {
if (pingroups[i].tri_bank >= nbanks) {
dev_err(&pdev->dev, "pingroup %d: bad tri_bank\n", i);
config_bad = 1;
@@ -698,7 +716,7 @@ static int __devinit tegra_pinmux_probe(struct platform_device *pdev)
}
}
- for (i = 0; i < TEGRA_MAX_DRIVE_PINGROUP; i++) {
+ for (i = 0; i < drive_max; i++) {
if (drive_pingroups[i].reg_bank >= nbanks) {
dev_err(&pdev->dev,
"drive pingroup %d: bad reg_bank\n", i);
@@ -741,11 +759,6 @@ static int __devinit tegra_pinmux_probe(struct platform_device *pdev)
return 0;
}
-static struct of_device_id tegra_pinmux_of_match[] __devinitdata = {
- { .compatible = "nvidia,tegra20-pinmux", },
- { },
-};
-
static struct platform_driver tegra_pinmux_driver = {
.driver = {
.name = "tegra-pinmux",
@@ -779,7 +792,7 @@ static int dbg_pinmux_show(struct seq_file *s, void *unused)
int i;
int len;
- for (i = 0; i < TEGRA_MAX_PINGROUP; i++) {
+ for (i = 0; i < pingroup_max; i++) {
unsigned long reg;
unsigned long tri;
unsigned long mux;
@@ -850,7 +863,7 @@ static int dbg_drive_pinmux_show(struct seq_file *s, void *unused)
int i;
int len;
- for (i = 0; i < TEGRA_MAX_DRIVE_PINGROUP; i++) {
+ for (i = 0; i < drive_max; i++) {
u32 reg;
seq_printf(s, "\t{TEGRA_DRIVE_PINGROUP_%s",
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-16 21:16:26 +0000