[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/pcmcia/sa1100_generic.c b/src/kernel/linux/v4.19/drivers/pcmcia/sa1100_generic.c
new file mode 100644
index 0000000..47b060c
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/pcmcia/sa1100_generic.c
@@ -0,0 +1,216 @@
+/*======================================================================
+
+ Device driver for the PCMCIA control functionality of StrongARM
+ SA-1100 microprocessors.
+
+ The contents of this file are subject to the Mozilla Public
+ License Version 1.1 (the "License"); you may not use this file
+ except in compliance with the License. You may obtain a copy of
+ the License at http://www.mozilla.org/MPL/
+
+ Software distributed under the License is distributed on an "AS
+ IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ implied. See the License for the specific language governing
+ rights and limitations under the License.
+
+ The initial developer of the original code is John G. Dorsey
+ <john+@cs.cmu.edu>. Portions created by John G. Dorsey are
+ Copyright (C) 1999 John G. Dorsey. All Rights Reserved.
+
+ Alternatively, the contents of this file may be used under the
+ terms of the GNU Public License version 2 (the "GPL"), in which
+ case the provisions of the GPL are applicable instead of the
+ above. If you wish to allow the use of your version of this file
+ only under the terms of the GPL and not to allow others to use
+ your version of this file under the MPL, indicate your decision
+ by deleting the provisions above and replace them with the notice
+ and other provisions required by the GPL. If you do not delete
+ the provisions above, a recipient may use your version of this
+ file under either the MPL or the GPL.
+
+======================================================================*/
+
+#include <linux/module.h>
+#include <linux/gpio/consumer.h>
+#include <linux/init.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+
+#include <pcmcia/ss.h>
+
+#include <asm/hardware/scoop.h>
+
+#include "sa1100_generic.h"
+
+static const char *sa11x0_cf_gpio_names[] = {
+ [SOC_STAT_CD] = "detect",
+ [SOC_STAT_BVD1] = "bvd1",
+ [SOC_STAT_BVD2] = "bvd2",
+ [SOC_STAT_RDY] = "ready",
+};
+
+static int sa11x0_cf_hw_init(struct soc_pcmcia_socket *skt)
+{
+ struct device *dev = skt->socket.dev.parent;
+ int i;
+
+ skt->gpio_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(skt->gpio_reset))
+ return PTR_ERR(skt->gpio_reset);
+
+ skt->gpio_bus_enable = devm_gpiod_get_optional(dev, "bus-enable",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(skt->gpio_bus_enable))
+ return PTR_ERR(skt->gpio_bus_enable);
+
+ skt->vcc.reg = devm_regulator_get_optional(dev, "vcc");
+ if (IS_ERR(skt->vcc.reg))
+ return PTR_ERR(skt->vcc.reg);
+
+ if (!skt->vcc.reg)
+ dev_warn(dev,
+ "no Vcc regulator provided, ignoring Vcc controls\n");
+
+ for (i = 0; i < ARRAY_SIZE(sa11x0_cf_gpio_names); i++) {
+ skt->stat[i].name = sa11x0_cf_gpio_names[i];
+ skt->stat[i].desc = devm_gpiod_get_optional(dev,
+ sa11x0_cf_gpio_names[i], GPIOD_IN);
+ if (IS_ERR(skt->stat[i].desc))
+ return PTR_ERR(skt->stat[i].desc);
+ }
+ return 0;
+}
+
+static int sa11x0_cf_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ return soc_pcmcia_regulator_set(skt, &skt->vcc, state->Vcc);
+}
+
+static struct pcmcia_low_level sa11x0_cf_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = sa11x0_cf_hw_init,
+ .socket_state = soc_common_cf_socket_state,
+ .configure_socket = sa11x0_cf_configure_socket,
+};
+
+int __init pcmcia_collie_init(struct device *dev);
+
+static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
+#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
+ pcmcia_h3600_init,
+#endif
+#ifdef CONFIG_SA1100_SIMPAD
+ pcmcia_simpad_init,
+#endif
+#ifdef CONFIG_SA1100_COLLIE
+ pcmcia_collie_init,
+#endif
+};
+
+static int sa11x0_drv_pcmcia_legacy_probe(struct platform_device *dev)
+{
+ int i, ret = -ENODEV;
+
+ /*
+ * Initialise any "on-board" PCMCIA sockets.
+ */
+ for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_legacy_hw_init); i++) {
+ ret = sa11x0_pcmcia_legacy_hw_init[i](&dev->dev);
+ if (ret == 0)
+ break;
+ }
+
+ return ret;
+}
+
+static int sa11x0_drv_pcmcia_legacy_remove(struct platform_device *dev)
+{
+ struct skt_dev_info *sinfo = platform_get_drvdata(dev);
+ int i;
+
+ platform_set_drvdata(dev, NULL);
+
+ for (i = 0; i < sinfo->nskt; i++)
+ soc_pcmcia_remove_one(&sinfo->skt[i]);
+
+ return 0;
+}
+
+static int sa11x0_drv_pcmcia_probe(struct platform_device *pdev)
+{
+ struct soc_pcmcia_socket *skt;
+ struct device *dev = &pdev->dev;
+
+ if (pdev->id == -1)
+ return sa11x0_drv_pcmcia_legacy_probe(pdev);
+
+ skt = devm_kzalloc(dev, sizeof(*skt), GFP_KERNEL);
+ if (!skt)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, skt);
+
+ skt->nr = pdev->id;
+ skt->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(skt->clk))
+ return PTR_ERR(skt->clk);
+
+ sa11xx_drv_pcmcia_ops(&sa11x0_cf_ops);
+ soc_pcmcia_init_one(skt, &sa11x0_cf_ops, dev);
+
+ return sa11xx_drv_pcmcia_add_one(skt);
+}
+
+static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
+{
+ struct soc_pcmcia_socket *skt;
+
+ if (dev->id == -1)
+ return sa11x0_drv_pcmcia_legacy_remove(dev);
+
+ skt = platform_get_drvdata(dev);
+
+ soc_pcmcia_remove_one(skt);
+
+ return 0;
+}
+
+static struct platform_driver sa11x0_pcmcia_driver = {
+ .driver = {
+ .name = "sa11x0-pcmcia",
+ },
+ .probe = sa11x0_drv_pcmcia_probe,
+ .remove = sa11x0_drv_pcmcia_remove,
+};
+
+/* sa11x0_pcmcia_init()
+ * ^^^^^^^^^^^^^^^^^^^^
+ *
+ * This routine performs low-level PCMCIA initialization and then
+ * registers this socket driver with Card Services.
+ *
+ * Returns: 0 on success, -ve error code on failure
+ */
+static int __init sa11x0_pcmcia_init(void)
+{
+ return platform_driver_register(&sa11x0_pcmcia_driver);
+}
+
+/* sa11x0_pcmcia_exit()
+ * ^^^^^^^^^^^^^^^^^^^^
+ * Invokes the low-level kernel service to free IRQs associated with this
+ * socket controller and reset GPIO edge detection.
+ */
+static void __exit sa11x0_pcmcia_exit(void)
+{
+ platform_driver_unregister(&sa11x0_pcmcia_driver);
+}
+
+MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
+MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
+MODULE_LICENSE("Dual MPL/GPL");
+
+fs_initcall(sa11x0_pcmcia_init);
+module_exit(sa11x0_pcmcia_exit);