summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--sys/arm/allwinner/a10_gpio.c124
-rw-r--r--sys/arm/allwinner/a31/a31_r_padconf.c66
-rw-r--r--sys/arm/allwinner/a31/files.a311
3 files changed, 133 insertions, 58 deletions
diff --git a/sys/arm/allwinner/a10_gpio.c b/sys/arm/allwinner/a10_gpio.c
index 0eae992..4e6e612 100644
--- a/sys/arm/allwinner/a10_gpio.c
+++ b/sys/arm/allwinner/a10_gpio.c
@@ -54,49 +54,26 @@ __FBSDID("$FreeBSD$");
#include <arm/allwinner/allwinner_machdep.h>
#include <arm/allwinner/allwinner_pinctrl.h>
+#include <dev/extres/clk/clk.h>
+#include <dev/extres/hwreset/hwreset.h>
#include "gpio_if.h"
-/*
- * A10 have 9 banks of gpio.
- * 32 pins per bank:
- * PA0 - PA17 | PB0 - PB23 | PC0 - PC24
- * PD0 - PD27 | PE0 - PE31 | PF0 - PF5
- * PG0 - PG9 | PH0 - PH27 | PI0 - PI12
- */
-
#define A10_GPIO_DEFAULT_CAPS (GPIO_PIN_INPUT | GPIO_PIN_OUTPUT | \
GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN)
-#define A10_GPIO_NONE 0
-#define A10_GPIO_PULLUP 1
-#define A10_GPIO_PULLDOWN 2
+#define A10_GPIO_NONE 0
+#define A10_GPIO_PULLUP 1
+#define A10_GPIO_PULLDOWN 2
-#define A10_GPIO_INPUT 0
-#define A10_GPIO_OUTPUT 1
+#define A10_GPIO_INPUT 0
+#define A10_GPIO_OUTPUT 1
-#define AW_GPIO_DRV_MASK 0x3
-#define AW_GPIO_PUD_MASK 0x3
+#define AW_GPIO_DRV_MASK 0x3
+#define AW_GPIO_PUD_MASK 0x3
-static struct ofw_compat_data compat_data[] = {
- {"allwinner,sun4i-a10-pinctrl", 1},
- {"allwinner,sun7i-a20-pinctrl", 1},
- {"allwinner,sun6i-a31-pinctrl", 1},
- {"allwinner,sun6i-a31s-pinctrl", 1},
- {NULL, 0}
-};
-
-struct a10_gpio_softc {
- device_t sc_dev;
- device_t sc_busdev;
- struct mtx sc_mtx;
- struct resource * sc_mem_res;
- struct resource * sc_irq_res;
- bus_space_tag_t sc_bst;
- bus_space_handle_t sc_bsh;
- void * sc_intrhand;
- const struct allwinner_padconf * padconf;
-};
+#define AW_PINCTRL 1
+#define AW_R_PINCTRL 2
/* Defined in a10_padconf.c */
#ifdef SOC_ALLWINNER_A10
@@ -118,6 +95,41 @@ extern const struct allwinner_padconf a31_padconf;
extern const struct allwinner_padconf a31s_padconf;
#endif
+#if defined(SOC_ALLWINNER_A31) || defined(SOC_ALLWINNER_A31S)
+extern const struct allwinner_padconf a31_r_padconf;
+#endif
+
+static struct ofw_compat_data compat_data[] = {
+#ifdef SOC_ALLWINNER_A10
+ {"allwinner,sun4i-a10-pinctrl", (uintptr_t)&a10_padconf},
+#endif
+#ifdef SOC_ALLWINNER_A20
+ {"allwinner,sun7i-a20-pinctrl", (uintptr_t)&a20_padconf},
+#endif
+#ifdef SOC_ALLWINNER_A31
+ {"allwinner,sun6i-a31-pinctrl", (uintptr_t)&a31_padconf},
+#endif
+#ifdef SOC_ALLWINNER_A31S
+ {"allwinner,sun6i-a31s-pinctrl", (uintptr_t)&a31s_padconf},
+#endif
+#if defined(SOC_ALLWINNER_A31) || defined(SOC_ALLWINNER_A31S)
+ {"allwinner,sun6i-a31-r-pinctrl", (uintptr_t)&a31_r_padconf},
+#endif
+ {NULL, 0}
+};
+
+struct a10_gpio_softc {
+ device_t sc_dev;
+ device_t sc_busdev;
+ struct mtx sc_mtx;
+ struct resource * sc_mem_res;
+ struct resource * sc_irq_res;
+ bus_space_tag_t sc_bst;
+ bus_space_handle_t sc_bsh;
+ void * sc_intrhand;
+ const struct allwinner_padconf * padconf;
+};
+
#define A10_GPIO_LOCK(_sc) mtx_lock_spin(&(_sc)->sc_mtx)
#define A10_GPIO_UNLOCK(_sc) mtx_unlock_spin(&(_sc)->sc_mtx)
#define A10_GPIO_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
@@ -526,9 +538,11 @@ a10_gpio_probe(device_t dev)
static int
a10_gpio_attach(device_t dev)
{
- int rid;
+ int rid, error;
phandle_t gpio;
struct a10_gpio_softc *sc;
+ clk_t clk;
+ hwreset_t rst;
sc = device_get_softc(dev);
sc->sc_dev = dev;
@@ -561,29 +575,23 @@ a10_gpio_attach(device_t dev)
goto fail;
/* Use the right pin data for the current SoC */
- switch (allwinner_soc_type()) {
-#ifdef SOC_ALLWINNER_A10
- case ALLWINNERSOC_A10:
- sc->padconf = &a10_padconf;
- break;
-#endif
-#ifdef SOC_ALLWINNER_A20
- case ALLWINNERSOC_A20:
- sc->padconf = &a20_padconf;
- break;
-#endif
-#ifdef SOC_ALLWINNER_A31
- case ALLWINNERSOC_A31:
- sc->padconf = &a31_padconf;
- break;
-#endif
-#ifdef SOC_ALLWINNER_A31S
- case ALLWINNERSOC_A31S:
- sc->padconf = &a31s_padconf;
- break;
-#endif
- default:
- return (ENOENT);
+ sc->padconf = (struct allwinner_padconf *)ofw_bus_search_compatible(dev,
+ compat_data)->ocd_data;
+
+ if (hwreset_get_by_ofw_idx(dev, 0, &rst) == 0) {
+ error = hwreset_deassert(rst);
+ if (error != 0) {
+ device_printf(dev, "cannot de-assert reset\n");
+ return (error);
+ }
+ }
+
+ if (clk_get_by_ofw_index(dev, 0, &clk) == 0) {
+ error = clk_enable(clk);
+ if (error != 0) {
+ device_printf(dev, "could not enable clock\n");
+ return (error);
+ }
}
sc->sc_busdev = gpiobus_attach_bus(dev);
diff --git a/sys/arm/allwinner/a31/a31_r_padconf.c b/sys/arm/allwinner/a31/a31_r_padconf.c
new file mode 100644
index 0000000..b36b0d3
--- /dev/null
+++ b/sys/arm/allwinner/a31/a31_r_padconf.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2016 Emmanuel Vadot <manu@bidouilliste.com>
+ * All rights reserved.
+ *
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/types.h>
+
+#include <arm/allwinner/allwinner_pinctrl.h>
+
+#if defined(SOC_ALLWINNER_A31) || defined(SOC_ALLWINNER_A31S)
+
+const static struct allwinner_pins a31_r_pins[] = {
+ {"PL0", 0, 0, {"gpio_in", "gpio_out", "s_twi", "s_p2wi", NULL, NULL, NULL, NULL}},
+ {"PL1", 0, 1, {"gpio_in", "gpio_out", "s_twi", "s_p2wi", NULL, NULL, NULL, NULL}},
+ {"PL2", 0, 2, {"gpio_in", "gpio_out", "s_uart", NULL, NULL, NULL, NULL, NULL}},
+ {"PL3", 0, 3, {"gpio_in", "gpio_out", "s_uart", NULL, NULL, NULL, NULL, NULL}},
+ {"PL4", 0, 4, {"gpio_in", "gpio_out", "s_ir", NULL, NULL, NULL, NULL, NULL}},
+ {"PL5", 0, 5, {"gpio_in", "gpio_out", "pl_eint0", "s_jtag", NULL, NULL, NULL, NULL}},
+ {"PL6", 0, 6, {"gpio_in", "gpio_out", "pl_eint1", "s_jtag", NULL, NULL, NULL, NULL}},
+ {"PL7", 0, 7, {"gpio_in", "gpio_out", "pl_eint2", "s_jtag", NULL, NULL, NULL, NULL}},
+ {"PL8", 0, 8, {"gpio_in", "gpio_out", "pl_eint3", "s_jtag", NULL, NULL, NULL, NULL}},
+
+ {"PM0", 1, 0, {"gpio_in", "gpio_out", "pm_eint0", NULL, NULL, NULL, NULL, NULL}},
+ {"PM1", 1, 1, {"gpio_in", "gpio_out", "pm_eint1", NULL, NULL, NULL, NULL, NULL}},
+ {"PM2", 1, 2, {"gpio_in", "gpio_out", "pm_eint2", "1wire", NULL, NULL, NULL, NULL}},
+ {"PM3", 1, 3, {"gpio_in", "gpio_out", "pm_eint3", NULL, NULL, NULL, NULL, NULL}},
+ {"PM4", 1, 4, {"gpio_in", "gpio_out", "pm_eint4", NULL, NULL, NULL, NULL, NULL}},
+ {"PM5", 1, 5, {"gpio_in", "gpio_out", "pm_eint5", NULL, NULL, NULL, NULL, NULL}},
+ {"PM6", 1, 6, {"gpio_in", "gpio_out", "pm_eint6", NULL, NULL, NULL, NULL, NULL}},
+ {"PM7", 1, 7, {"gpio_in", "gpio_out", "pm_eint7", "rtc", NULL, NULL, NULL, NULL}},
+};
+
+const struct allwinner_padconf a31_r_padconf = {
+ .npins = nitems(a31_r_pins),
+ .pins = a31_r_pins,
+};
+
+#endif
diff --git a/sys/arm/allwinner/a31/files.a31 b/sys/arm/allwinner/a31/files.a31
index b181150..5f5c9c8 100644
--- a/sys/arm/allwinner/a31/files.a31
+++ b/sys/arm/allwinner/a31/files.a31
@@ -1,4 +1,5 @@
# $FreeBSD$
arm/allwinner/a31/a31_padconf.c standard
+arm/allwinner/a31/a31_r_padconf.c standard
arm/allwinner/a31/a31s_padconf.c standard
OpenPOWER on IntegriCloud