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authorTom Rini <trini@konsulko.com>2017-03-14 11:08:10 -0400
committerTom Rini <trini@konsulko.com>2017-04-05 13:52:01 -0400
commitea3310e8aafad1da72d9a5e60568d725cbdefdbd (patch)
tree869faa824f09ce4d40f2ce503a607ceb28b5ce91 /drivers/i2c
parentc3b7cfe15ec1db047182d4ec55a3ce05f19bdf38 (diff)
Blackfin: Remove
The architecture is currently unmaintained, remove. Cc: Benjamin Matthews <mben12@gmail.com> Cc: Chong Huang <chuang@ucrobotics.com> Cc: Dimitar Penev <dpn@switchfin.org> Cc: Haitao Zhang <hzhang@ucrobotics.com> Cc: I-SYST Micromodule <support@i-syst.com> Cc: M.Hasewinkel (MHA) <info@ssv-embedded.de> Cc: Marek Vasut <marex@denx.de> Cc: Martin Strubel <strubel@section5.ch> Cc: Peter Meerwald <devel@bct-electronic.com> Cc: Sonic Zhang <sonic.adi@gmail.com> Cc: Valentin Yakovenkov <yakovenkov@niistt.ru> Cc: Wojtek Skulski <info@skutek.com> Cc: Wojtek Skulski <skulski@pas.rochester.edu> Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/Makefile1
-rw-r--r--drivers/i2c/pca9564_i2c.c179
2 files changed, 0 insertions, 180 deletions
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 446af225bc1..4872c1d7022 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_$(SPL_)I2C_CROS_EC_LDO) += cros_ec_ldo.o
obj-$(CONFIG_SYS_I2C_ADI) += adi_i2c.o
obj-$(CONFIG_I2C_MV) += mv_i2c.o
-obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o
obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
obj-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o
obj-$(CONFIG_SYS_I2C) += i2c_core.o
diff --git a/drivers/i2c/pca9564_i2c.c b/drivers/i2c/pca9564_i2c.c
deleted file mode 100644
index 4ed0923e62e..00000000000
--- a/drivers/i2c/pca9564_i2c.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * File: drivers/i2c/pca9564.c
- * Based on: drivers/i2c/s3c44b0_i2c.c
- * Author:
- *
- * Created: 2009-06-23
- * Description: PCA9564 i2c bridge driver
- *
- * Modified:
- * Copyright 2009 CJSC "NII STT", http://www.niistt.ru/
- *
- * Bugs:
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * NOTE: This driver should be converted to driver model before June 2017.
- * Please see doc/driver-model/i2c-howto.txt for instructions.
- */
-
-#include <common.h>
-#include <i2c.h>
-#include <pca9564.h>
-#include <asm/io.h>
-
-#define PCA_STA (CONFIG_PCA9564_BASE + 0)
-#define PCA_TO (CONFIG_PCA9564_BASE + 0)
-#define PCA_DAT (CONFIG_PCA9564_BASE + (1 << 2))
-#define PCA_ADR (CONFIG_PCA9564_BASE + (2 << 2))
-#define PCA_CON (CONFIG_PCA9564_BASE + (3 << 2))
-
-static unsigned char pca_read_reg(unsigned int reg)
-{
- return readb((void *)reg);
-}
-
-static void pca_write_reg(unsigned int reg, unsigned char value)
-{
- writeb(value, (void *)reg);
-}
-
-static int pca_wait_busy(void)
-{
- unsigned int timeout = 10000;
-
- while (!(pca_read_reg(PCA_CON) & PCA_CON_SI) && --timeout)
- udelay(1);
-
- if (timeout == 0)
- debug("I2C timeout!\n");
-
- debug("CON = 0x%02x, STA = 0x%02x\n", pca_read_reg(PCA_CON),
- pca_read_reg(PCA_STA));
-
- return timeout ? 0 : 1;
-}
-
-/*=====================================================================*/
-/* Public Functions */
-/*=====================================================================*/
-
-/*-----------------------------------------------------------------------
- * Initialization
- */
-void i2c_init(int speed, int slaveaddr)
-{
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | speed);
-}
-
-/*
- * Probe the given I2C chip address. Returns 0 if a chip responded,
- * not 0 on failure.
- */
-
-int i2c_probe(uchar chip)
-{
- unsigned char res;
-
- pca_write_reg(PCA_CON, PCA_CON_STA | PCA_CON_ENSIO);
- pca_wait_busy();
-
- pca_write_reg(PCA_CON, PCA_CON_STA | PCA_CON_ENSIO);
-
- pca_write_reg(PCA_DAT, (chip << 1) | 1);
- res = pca_wait_busy();
-
- if ((res == 0) && (pca_read_reg(PCA_STA) == 0x48))
- res = 1;
-
- pca_write_reg(PCA_CON, PCA_CON_STO | PCA_CON_ENSIO);
-
- return res;
-}
-
-/*
- * Read/Write interface:
- * chip: I2C chip address, range 0..127
- * addr: Memory (register) address within the chip
- * alen: Number of bytes to use for addr (typically 1, 2 for larger
- * memories, 0 for register type devices with only one
- * register)
- * buffer: Where to read/write the data
- * len: How many bytes to read/write
- *
- * Returns: 0 on success, not 0 on failure
- */
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- int i;
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_STA);
- pca_wait_busy();
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
-
- pca_write_reg(PCA_DAT, (chip << 1));
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
-
- if (alen > 0) {
- pca_write_reg(PCA_DAT, addr);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
- }
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_STO);
-
- udelay(500);
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_STA);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
-
- pca_write_reg(PCA_DAT, (chip << 1) | 1);
- pca_wait_busy();
-
- for (i = 0; i < len; ++i) {
- if (i == len - 1)
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
- else
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_AA);
-
- pca_wait_busy();
- buffer[i] = pca_read_reg(PCA_DAT);
-
- }
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_STO);
-
- return 0;
-}
-
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- int i;
-
- pca_write_reg(PCA_CON, PCA_CON_ENSIO | PCA_CON_STA);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
-
- pca_write_reg(PCA_DAT, chip << 1);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
-
- if (alen > 0) {
- pca_write_reg(PCA_DAT, addr);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
- }
-
- for (i = 0; i < len; ++i) {
- pca_write_reg(PCA_DAT, buffer[i]);
- pca_wait_busy();
- pca_write_reg(PCA_CON, PCA_CON_ENSIO);
- }
-
- pca_write_reg(PCA_CON, PCA_CON_STO | PCA_CON_ENSIO);
-
- return 0;
-}