diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/301-arch-0011-drivers-soc-fsl-add-qixis-driver.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/301-arch-0011-drivers-soc-fsl-add-qixis-driver.patch | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/target/linux/layerscape/patches-5.4/301-arch-0011-drivers-soc-fsl-add-qixis-driver.patch b/target/linux/layerscape/patches-5.4/301-arch-0011-drivers-soc-fsl-add-qixis-driver.patch deleted file mode 100644 index bd82274be2..0000000000 --- a/target/linux/layerscape/patches-5.4/301-arch-0011-drivers-soc-fsl-add-qixis-driver.patch +++ /dev/null @@ -1,152 +0,0 @@ -From 68e332146b6f0a1d2a4514810986a7cf3c3117e3 Mon Sep 17 00:00:00 2001 -From: Pankaj Bansal <pankaj.bansal@nxp.com> -Date: Thu, 28 Feb 2019 17:22:28 +0530 -Subject: [PATCH] drivers: soc: fsl: add qixis driver - -FPGA on LX2160AQDS/LX2160ARDB connected on I2C bus, so add qixis driver -which is basically an i2c client driver to control FPGA. - -Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com> ---- - drivers/soc/fsl/Kconfig | 11 +++++ - drivers/soc/fsl/Makefile | 1 + - drivers/soc/fsl/qixis_ctrl.c | 105 +++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 117 insertions(+) - create mode 100644 drivers/soc/fsl/qixis_ctrl.c - ---- a/drivers/soc/fsl/Kconfig -+++ b/drivers/soc/fsl/Kconfig -@@ -40,4 +40,15 @@ config DPAA2_CONSOLE - /dev/dpaa2_mc_console and /dev/dpaa2_aiop_console, - which can be used to dump the Management Complex and AIOP - firmware logs. -+ -+config FSL_QIXIS -+ tristate "QIXIS system controller driver" -+ depends on OF -+ select REGMAP_I2C -+ select REGMAP_MMIO -+ default n -+ help -+ Say y here to enable QIXIS system controller api. The qixis driver -+ provides FPGA functions to control system. -+ - endmenu ---- a/drivers/soc/fsl/Makefile -+++ b/drivers/soc/fsl/Makefile -@@ -6,6 +6,7 @@ - obj-$(CONFIG_FSL_DPAA) += qbman/ - obj-$(CONFIG_QUICC_ENGINE) += qe/ - obj-$(CONFIG_CPM) += qe/ -+obj-$(CONFIG_FSL_QIXIS) += qixis_ctrl.o - obj-$(CONFIG_FSL_GUTS) += guts.o - obj-$(CONFIG_FSL_MC_DPIO) += dpio/ - obj-$(CONFIG_DPAA2_CONSOLE) += dpaa2-console.o ---- /dev/null -+++ b/drivers/soc/fsl/qixis_ctrl.c -@@ -0,0 +1,105 @@ -+// SPDX-License-Identifier: GPL-2.0+ -+ -+/* Freescale QIXIS system controller driver. -+ * -+ * Copyright 2015 Freescale Semiconductor, Inc. -+ * Copyright 2018-2019 NXP -+ */ -+ -+#include <linux/err.h> -+#include <linux/i2c.h> -+#include <linux/module.h> -+#include <linux/mfd/core.h> -+#include <linux/of.h> -+#include <linux/regmap.h> -+ -+/* QIXIS MAP */ -+struct fsl_qixis_regs { -+ u8 id; /* Identification Registers */ -+ u8 version; /* Version Register */ -+ u8 qixis_ver; /* QIXIS Version Register */ -+ u8 reserved1[0x1f]; -+}; -+ -+struct qixis_priv { -+ struct regmap *regmap; -+}; -+ -+static struct regmap_config qixis_regmap_config = { -+ .reg_bits = 8, -+ .val_bits = 8, -+}; -+ -+static const struct mfd_cell fsl_qixis_devs[] = { -+ { -+ .name = "reg-mux", -+ .of_compatible = "reg-mux", -+ }, -+}; -+ -+static int fsl_qixis_i2c_probe(struct i2c_client *client) -+{ -+ struct qixis_priv *priv; -+ int ret = 0; -+ u32 qver; -+ -+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) -+ return -EOPNOTSUPP; -+ -+ priv = devm_kzalloc(&client->dev, sizeof(struct qixis_priv), -+ GFP_KERNEL); -+ if (!priv) -+ return -ENOMEM; -+ -+ priv->regmap = regmap_init_i2c(client, &qixis_regmap_config); -+ regmap_read(priv->regmap, offsetof(struct fsl_qixis_regs, qixis_ver), -+ &qver); -+ pr_info("Freescale QIXIS Version: 0x%08x\n", qver); -+ -+ i2c_set_clientdata(client, priv); -+ -+ if (of_device_is_compatible(client->dev.of_node, "simple-mfd")) -+ ret = devm_mfd_add_devices(&client->dev, -1, fsl_qixis_devs, -+ ARRAY_SIZE(fsl_qixis_devs), NULL, 0, -+ NULL); -+ if (ret) -+ goto error; -+ -+ return ret; -+error: -+ regmap_exit(priv->regmap); -+ -+ return ret; -+} -+ -+static int fsl_qixis_i2c_remove(struct i2c_client *client) -+{ -+ struct qixis_priv *priv; -+ -+ priv = i2c_get_clientdata(client); -+ regmap_exit(priv->regmap); -+ -+ return 0; -+} -+ -+static const struct of_device_id fsl_qixis_i2c_of_match[] = { -+ { .compatible = "fsl,fpga-qixis-i2c" }, -+ {} -+}; -+MODULE_DEVICE_TABLE(of, fsl_qixis_i2c_of_match); -+ -+static struct i2c_driver fsl_qixis_i2c_driver = { -+ .driver = { -+ .name = "qixis_ctrl_i2c", -+ .owner = THIS_MODULE, -+ .of_match_table = of_match_ptr(fsl_qixis_i2c_of_match), -+ }, -+ .probe_new = fsl_qixis_i2c_probe, -+ .remove = fsl_qixis_i2c_remove, -+}; -+module_i2c_driver(fsl_qixis_i2c_driver); -+ -+MODULE_AUTHOR("Wang Dongsheng <dongsheng.wang@freescale.com>"); -+MODULE_DESCRIPTION("Freescale QIXIS system controller driver"); -+MODULE_LICENSE("GPL"); -+ |