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-rw-r--r--recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0002-mfd-add-mc34708-driver.patch459
1 files changed, 0 insertions, 459 deletions
diff --git a/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0002-mfd-add-mc34708-driver.patch b/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0002-mfd-add-mc34708-driver.patch
deleted file mode 100644
index a494d63..0000000
--- a/recipes-bsp/barebox/barebox-2012.02.0/imx53qsb/0002-mfd-add-mc34708-driver.patch
+++ /dev/null
@@ -1,459 +0,0 @@
-From cafc72b3292a6820a01b6c5baed4c821ba2e62e7 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Eric=20B=C3=A9nard?= <eric@eukrea.com>
-Date: Tue, 21 Feb 2012 01:00:29 +0100
-Subject: [PATCH 2/7] mfd: add mc34708 driver
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-this driver is a copie of the mc13892 one
-
-Signed-off-by: Eric Bénard <eric@eukrea.com>
----
-Upstream-Status: Applied for 2012.04.0
-
- drivers/mfd/Kconfig | 4 +
- drivers/mfd/Makefile | 1 +
- drivers/mfd/mc34708.c | 294 +++++++++++++++++++++++++++++++++++++++++++++++++
- include/mfd/mc34708.h | 102 +++++++++++++++++
- 4 files changed, 401 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mfd/mc34708.c
- create mode 100644 include/mfd/mc34708.h
-
-diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
-index 87797de..b080c1c 100644
---- a/drivers/mfd/Kconfig
-+++ b/drivers/mfd/Kconfig
-@@ -8,6 +8,10 @@ config I2C_MC34704
- depends on I2C
- bool "MC34704 PMIC driver"
-
-+config I2C_MC34708
-+ depends on I2C
-+ bool "MC34708 PMIC driver"
-+
- config I2C_MC9SDZ60
- depends on I2C
- bool "MC9SDZ60 driver"
-diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
-index 1171335..bc9e0e8 100644
---- a/drivers/mfd/Makefile
-+++ b/drivers/mfd/Makefile
-@@ -1,5 +1,6 @@
- obj-$(CONFIG_I2C_MC13892) += mc13892.o
- obj-$(CONFIG_I2C_MC34704) += mc34704.o
-+obj-$(CONFIG_I2C_MC34708) += mc34708.o
- obj-$(CONFIG_I2C_MC9SDZ60) += mc9sdz60.o
- obj-$(CONFIG_I2C_LP3972) += lp3972.o
- obj-$(CONFIG_I2C_TWLCORE) += twl-core.o
-diff --git a/drivers/mfd/mc34708.c b/drivers/mfd/mc34708.c
-new file mode 100644
-index 0000000..e7f40c0
---- /dev/null
-+++ b/drivers/mfd/mc34708.c
-@@ -0,0 +1,294 @@
-+/*
-+ * Copyright (C) 2007 Sascha Hauer, Pengutronix
-+ * 2009 Marc Kleine-Budde <mkl@pengutronix.de>
-+ *
-+ * 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.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-+ * MA 02111-1307 USA
-+ *
-+ */
-+
-+#include <common.h>
-+#include <init.h>
-+#include <driver.h>
-+#include <xfuncs.h>
-+#include <errno.h>
-+#include <spi/spi.h>
-+#include <malloc.h>
-+
-+#include <i2c/i2c.h>
-+#include <mfd/mc34708.h>
-+
-+#define DRIVERNAME "mc34708"
-+
-+#define to_mc34708(a) container_of(a, struct mc34708, cdev)
-+
-+static struct mc34708 *mc_dev;
-+
-+struct mc34708 *mc34708_get(void)
-+{
-+ if (!mc_dev)
-+ return NULL;
-+
-+ return mc_dev;
-+}
-+EXPORT_SYMBOL(mc34708_get);
-+
-+#ifdef CONFIG_SPI
-+static int spi_rw(struct spi_device *spi, void * buf, size_t len)
-+{
-+ int ret;
-+
-+ struct spi_transfer t = {
-+ .tx_buf = (const void *)buf,
-+ .rx_buf = buf,
-+ .len = len,
-+ .cs_change = 0,
-+ .delay_usecs = 0,
-+ };
-+ struct spi_message m;
-+
-+ spi_message_init(&m);
-+ spi_message_add_tail(&t, &m);
-+
-+ if ((ret = spi_sync(spi, &m)))
-+ return ret;
-+ return 0;
-+}
-+
-+#define MXC_PMIC_REG_NUM(reg) (((reg) & 0x3f) << 25)
-+#define MXC_PMIC_WRITE (1 << 31)
-+
-+static int mc34708_spi_reg_read(struct mc34708 *mc34708, enum mc34708_reg reg, u32 *val)
-+{
-+ uint32_t buf;
-+
-+ buf = MXC_PMIC_REG_NUM(reg);
-+
-+ spi_rw(mc34708->spi, &buf, 4);
-+
-+ *val = buf;
-+
-+ return 0;
-+}
-+
-+static int mc34708_spi_reg_write(struct mc34708 *mc34708, enum mc34708_reg reg, u32 val)
-+{
-+ uint32_t buf = MXC_PMIC_REG_NUM(reg) | MXC_PMIC_WRITE | (val & 0xffffff);
-+
-+ spi_rw(mc34708->spi, &buf, 4);
-+
-+ return 0;
-+}
-+#endif
-+
-+#ifdef CONFIG_I2C
-+static int mc34708_i2c_reg_read(struct mc34708 *mc34708, enum mc34708_reg reg, u32 *val)
-+{
-+ u8 buf[3];
-+ int ret;
-+
-+ ret = i2c_read_reg(mc34708->client, reg, buf, 3);
-+ *val = buf[0] << 16 | buf[1] << 8 | buf[2] << 0;
-+
-+ return ret == 3 ? 0 : ret;
-+}
-+
-+static int mc34708_i2c_reg_write(struct mc34708 *mc34708, enum mc34708_reg reg, u32 val)
-+{
-+ u8 buf[] = {
-+ val >> 16,
-+ val >> 8,
-+ val >> 0,
-+ };
-+ int ret;
-+
-+ ret = i2c_write_reg(mc34708->client, reg, buf, 3);
-+
-+ return ret == 3 ? 0 : ret;
-+}
-+#endif
-+
-+int mc34708_reg_write(struct mc34708 *mc34708, enum mc34708_reg reg, u32 val)
-+{
-+#ifdef CONFIG_I2C
-+ if (mc34708->mode == MC34708_MODE_I2C)
-+ return mc34708_i2c_reg_write(mc34708, reg, val);
-+#endif
-+#ifdef CONFIG_SPI
-+ if (mc34708->mode == MC34708_MODE_SPI)
-+ return mc34708_spi_reg_write(mc34708, reg, val);
-+#endif
-+ return -EINVAL;
-+}
-+EXPORT_SYMBOL(mc34708_reg_write);
-+
-+int mc34708_reg_read(struct mc34708 *mc34708, enum mc34708_reg reg, u32 *val)
-+{
-+#ifdef CONFIG_I2C
-+ if (mc34708->mode == MC34708_MODE_I2C)
-+ return mc34708_i2c_reg_read(mc34708, reg, val);
-+#endif
-+#ifdef CONFIG_SPI
-+ if (mc34708->mode == MC34708_MODE_SPI)
-+ return mc34708_spi_reg_read(mc34708, reg, val);
-+#endif
-+ return -EINVAL;
-+}
-+EXPORT_SYMBOL(mc34708_reg_read);
-+
-+int mc34708_set_bits(struct mc34708 *mc34708, enum mc34708_reg reg, u32 mask, u32 val)
-+{
-+ u32 tmp;
-+ int err;
-+
-+ err = mc34708_reg_read(mc34708, reg, &tmp);
-+ tmp = (tmp & ~mask) | val;
-+
-+ if (!err)
-+ err = mc34708_reg_write(mc34708, reg, tmp);
-+
-+ return err;
-+}
-+EXPORT_SYMBOL(mc34708_set_bits);
-+
-+static ssize_t mc_read(struct cdev *cdev, void *_buf, size_t count, ulong offset, ulong flags)
-+{
-+ struct mc34708 *priv = to_mc34708(cdev);
-+ u32 *buf = _buf;
-+ size_t i = count >> 2;
-+ int err;
-+
-+ offset >>= 2;
-+
-+ while (i) {
-+ err = mc34708_reg_read(priv, offset, buf);
-+ if (err)
-+ return (ssize_t)err;
-+ buf++;
-+ i--;
-+ offset++;
-+ }
-+
-+ return count;
-+}
-+
-+static ssize_t mc_write(struct cdev *cdev, const void *_buf, size_t count, ulong offset, ulong flags)
-+{
-+ struct mc34708 *mc34708 = to_mc34708(cdev);
-+ const u32 *buf = _buf;
-+ size_t i = count >> 2;
-+ int err;
-+
-+ offset >>= 2;
-+
-+ while (i) {
-+ err = mc34708_reg_write(mc34708, offset, *buf);
-+ if (err)
-+ return (ssize_t)err;
-+ buf++;
-+ i--;
-+ offset++;
-+ }
-+
-+ return count;
-+}
-+
-+static struct file_operations mc_fops = {
-+ .lseek = dev_lseek_default,
-+ .read = mc_read,
-+ .write = mc_write,
-+};
-+
-+static int mc34708_query_revision(struct mc34708 *mc34708)
-+{
-+ unsigned int rev_id;
-+ int rev;
-+
-+ mc34708_reg_read(mc34708, 7, &rev_id);
-+
-+ if (rev_id > 0xFFF)
-+ return -EINVAL;
-+
-+ rev = rev_id & 0xFFF;
-+
-+ dev_info(mc_dev->cdev.dev, "MC34708 ID: 0x%04x\n", rev);
-+
-+ mc34708->revision = rev;
-+
-+ return rev;
-+}
-+
-+static int mc_probe(struct device_d *dev, enum mc34708_mode mode)
-+{
-+ int rev;
-+
-+ if (mc_dev)
-+ return -EBUSY;
-+
-+ mc_dev = xzalloc(sizeof(struct mc34708));
-+ mc_dev->mode = mode;
-+ mc_dev->cdev.name = DRIVERNAME;
-+ if (mode == MC34708_MODE_I2C) {
-+ mc_dev->client = to_i2c_client(dev);
-+ }
-+ if (mode == MC34708_MODE_SPI) {
-+ mc_dev->spi = dev->type_data;
-+ mc_dev->spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
-+ mc_dev->spi->bits_per_word = 32;
-+ }
-+ mc_dev->cdev.size = 256;
-+ mc_dev->cdev.dev = dev;
-+ mc_dev->cdev.ops = &mc_fops;
-+
-+ rev = mc34708_query_revision(mc_dev);
-+ if (rev < 0) {
-+ free(mc_dev);
-+ mc_dev = NULL;
-+ return -EINVAL;
-+ }
-+
-+ devfs_create(&mc_dev->cdev);
-+
-+ return 0;
-+}
-+
-+static int mc_i2c_probe(struct device_d *dev)
-+{
-+ return mc_probe(dev, MC34708_MODE_I2C);
-+}
-+
-+static int mc_spi_probe(struct device_d *dev)
-+{
-+ return mc_probe(dev, MC34708_MODE_SPI);
-+}
-+
-+static struct driver_d mc_i2c_driver = {
-+ .name = "mc34708-i2c",
-+ .probe = mc_i2c_probe,
-+};
-+
-+static struct driver_d mc_spi_driver = {
-+ .name = "mc34708-spi",
-+ .probe = mc_spi_probe,
-+};
-+
-+static int mc_init(void)
-+{
-+ register_driver(&mc_i2c_driver);
-+ register_driver(&mc_spi_driver);
-+ return 0;
-+}
-+
-+device_initcall(mc_init);
-diff --git a/include/mfd/mc34708.h b/include/mfd/mc34708.h
-new file mode 100644
-index 0000000..f384c62
---- /dev/null
-+++ b/include/mfd/mc34708.h
-@@ -0,0 +1,102 @@
-+/*
-+ * Copyright (C) 2009 Marc Kleine-Budde <mkl@pengutronix.de>
-+ *
-+ * This file is released under the GPLv2
-+ *
-+ * Derived from:
-+ * - arch-mxc/pmic_external.h -- contains interface of the PMIC protocol driver
-+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ */
-+
-+#ifndef __ASM_ARCH_MC34708_H
-+#define __ASM_ARCH_MC34708_H
-+
-+enum mc34708_reg {
-+ MC34708_REG_INT_STATUS0 = 0x00,
-+ MC34708_REG_INT_MASK0 = 0x01,
-+ MC34708_REG_INT_SENSE0 = 0x02,
-+ MC34708_REG_INT_STATUS1 = 0x03,
-+ MC34708_REG_INT_MASK1 = 0x04,
-+ MC34708_REG_INT_SENSE1 = 0x05,
-+ MC34708_REG_PU_MODE_S = 0x06,
-+ MC34708_REG_IDENTIFICATION = 0x07,
-+ MC34708_REG_REG_FAULT_S = 0x08,
-+ MC34708_REG_ACC0 = 0x09,
-+ MC34708_REG_ACC1 = 0x0a,
-+ MC34708_REG_ACC2 = 0x0b,
-+ MC34708_REG_UNUSED0 = 0x0c,
-+ MC34708_REG_POWER_CTL0 = 0x0d,
-+ MC34708_REG_POWER_CTL1 = 0x0e,
-+ MC34708_REG_POWER_CTL2 = 0x0f,
-+ MC34708_REG_MEM_A = 0x10,
-+ MC34708_REG_MEM_B = 0x11,
-+ MC34708_REG_MEM_C = 0x12,
-+ MC34708_REG_MEM_D = 0x13,
-+ MC34708_REG_RTC_TIME = 0x14,
-+ MC34708_REG_RTC_ALARM = 0x15,
-+ MC34708_REG_RTC_DAY = 0x16,
-+ MC34708_REG_RTC_DAY_ALARM = 0x17,
-+ MC34708_REG_1 = 0x18,
-+ MC34708_REG_2_3 = 0x19,
-+ MC34708_REG_4 = 0x1a,
-+ MC34708_REG_5 = 0x1b,
-+ MC34708_REG_1_2_MODE = 0x1c,
-+ MC34708_REG_3_4_5_MODE = 0x1d,
-+ MC34708_REG_SETTING_0 = 0x1e,
-+ MC34708_REG_SWBST_CTRL = 0x1f,
-+ MC34708_REG_MODE_0 = 0x20,
-+ MC34708_REG_GPIOLV0_CTRL = 0x21,
-+ MC34708_REG_GPIOLV1_CTRL = 0x22,
-+ MC34708_REG_GPIOLV2_CTRL = 0x23,
-+ MC34708_REG_GPIOLV3_CTRL = 0x24,
-+ MC34708_REG_USB_TIMING = 0x25,
-+ MC34708_REG_USB_BUTTON = 0x26,
-+ MC34708_REG_USB_CTRL = 0x27,
-+ MC34708_REG_USB_DEVTYPE = 0x28,
-+ MC34708_REG_UNUSED1 = 0x29,
-+ MC34708_REG_UNUSED2 = 0x2a,
-+ MC34708_REG_ADC0 = 0x2b,
-+ MC34708_REG_ADC1 = 0x2c,
-+ MC34708_REG_ADC2 = 0x2d,
-+ MC34708_REG_ADC3 = 0x2e,
-+ MC34708_REG_ADC4 = 0x2f,
-+ MC34708_REG_ADC5 = 0x30,
-+ MC34708_REG_ADC6 = 0x31,
-+ MC34708_REG_ADC7 = 0x32,
-+ MC34708_REG_BAT_PROFILE = 0x33,
-+ MC34708_REG_CHRG_DEBOUNCE = 0x34,
-+ MC34708_REG_CHRG_SOURCE = 0x35,
-+ MC34708_REG_CHRG_LED_CTRL = 0x36,
-+ MC34708_REG_PWM_CTRL = 0x37,
-+ MC34708_REG_UNUSED3 = 0x38,
-+ MC34708_REG_UNUSED4 = 0x39,
-+ MC34708_REG_UNUSED5 = 0x3a,
-+ MC34708_REG_UNUSED6 = 0x3b,
-+ MC34708_REG_UNUSED7 = 0x3c,
-+ MC34708_REG_UNUSED8 = 0x3d,
-+ MC34708_REG_UNUSED9 = 0x3e,
-+ MC34708_REG_UNUSED10 = 0x3f,
-+};
-+
-+
-+enum mc34708_mode {
-+ MC34708_MODE_I2C,
-+ MC34708_MODE_SPI,
-+};
-+
-+struct mc34708 {
-+ struct cdev cdev;
-+ struct i2c_client *client;
-+ struct spi_device *spi;
-+ enum mc34708_mode mode;
-+ unsigned int revision;
-+};
-+
-+extern struct mc34708 *mc34708_get(void);
-+
-+extern int mc34708_reg_read(struct mc34708 *mc34708, enum mc34708_reg reg, u32 *val);
-+extern int mc34708_reg_write(struct mc34708 *mc34708, enum mc34708_reg reg, u32 val);
-+extern int mc34708_set_bits(struct mc34708 *mc34708, enum mc34708_reg reg, u32 mask, u32 val);
-+
-+#endif /* __ASM_ARCH_MC34708_H */
---
-1.7.7.6
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-19 21:54:11 +0000