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>

2 files changed, 0 insertions, 180 deletions

diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 446af22..4872c1d 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 4ed0923..0000000
--- 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;
-}