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-rw-r--r--arch/arm/mach-ipq40xx/Kconfig15
-rw-r--r--arch/arm/mach-ipq40xx/Makefile9
-rw-r--r--arch/arm/mach-ipq40xx/clock-ipq4019.c64
-rw-r--r--arch/arm/mach-ipq40xx/include/mach/gpio.h10
-rw-r--r--arch/arm/mach-ipq40xx/pinctrl-ipq4019.c47
-rw-r--r--arch/arm/mach-ipq40xx/pinctrl-snapdragon.c137
-rw-r--r--arch/arm/mach-ipq40xx/pinctrl-snapdragon.h30
7 files changed, 312 insertions, 0 deletions
diff --git a/arch/arm/mach-ipq40xx/Kconfig b/arch/arm/mach-ipq40xx/Kconfig
new file mode 100644
index 0000000000..4eef80e935
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/Kconfig
@@ -0,0 +1,15 @@
+if ARCH_IPQ40XX
+
+config SYS_SOC
+ default "ipq40xx"
+
+config SYS_MALLOC_F_LEN
+ default 0x2000
+
+config SYS_TEXT_BASE
+ default 0x87300000
+
+config NR_DRAM_BANKS
+ default 1
+
+endif
diff --git a/arch/arm/mach-ipq40xx/Makefile b/arch/arm/mach-ipq40xx/Makefile
new file mode 100644
index 0000000000..08a65b8854
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2019 Sartura Ltd.
+#
+# Author: Robert Marko <robert.marko@sartura.hr>
+
+obj-y += clock-ipq4019.o
+obj-y += pinctrl-snapdragon.o
+obj-y += pinctrl-ipq4019.o
diff --git a/arch/arm/mach-ipq40xx/clock-ipq4019.c b/arch/arm/mach-ipq40xx/clock-ipq4019.c
new file mode 100644
index 0000000000..7cf98a203c
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/clock-ipq4019.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Clock drivers for Qualcomm IPQ40xx
+ *
+ * Copyright (c) 2019 Sartura Ltd.
+ *
+ * Author: Robert Marko <robert.marko@sartura.hr>
+ *
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+
+struct msm_clk_priv {
+ phys_addr_t base;
+};
+
+ulong msm_set_rate(struct clk *clk, ulong rate)
+{
+ switch (clk->id) {
+ case 26: /*UART1*/
+ /* This clock is already initialized by SBL1 */
+ return 0;
+ break;
+ default:
+ return 0;
+ }
+}
+
+static int msm_clk_probe(struct udevice *dev)
+{
+ struct msm_clk_priv *priv = dev_get_priv(dev);
+
+ priv->base = devfdt_get_addr(dev);
+ if (priv->base == FDT_ADDR_T_NONE)
+ return -EINVAL;
+
+ return 0;
+}
+
+static ulong msm_clk_set_rate(struct clk *clk, ulong rate)
+{
+ return msm_set_rate(clk, rate);
+}
+
+static struct clk_ops msm_clk_ops = {
+ .set_rate = msm_clk_set_rate,
+};
+
+static const struct udevice_id msm_clk_ids[] = {
+ { .compatible = "qcom,gcc-ipq4019" },
+ { }
+};
+
+U_BOOT_DRIVER(clk_msm) = {
+ .name = "clk_msm",
+ .id = UCLASS_CLK,
+ .of_match = msm_clk_ids,
+ .ops = &msm_clk_ops,
+ .priv_auto_alloc_size = sizeof(struct msm_clk_priv),
+ .probe = msm_clk_probe,
+};
diff --git a/arch/arm/mach-ipq40xx/include/mach/gpio.h b/arch/arm/mach-ipq40xx/include/mach/gpio.h
new file mode 100644
index 0000000000..a45747c0fe
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/include/mach/gpio.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Empty gpio.h
+ *
+ * This file must stay as arch/arm/include/asm/gpio.h requires it.
+ *
+ * Copyright (c) 2019 Sartura Ltd.
+ *
+ * Author: Robert Marko <robert.marko@sartura.hr>
+ */
diff --git a/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c b/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c
new file mode 100644
index 0000000000..06a57f2e5e
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/pinctrl-ipq4019.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm IPQ40xx pinctrl
+ *
+ * Copyright (c) 2019 Sartura Ltd.
+ *
+ * Author: Robert Marko <robert.marko@sartura.hr>
+ */
+
+#include "pinctrl-snapdragon.h"
+#include <common.h>
+
+#define MAX_PIN_NAME_LEN 32
+static char pin_name[MAX_PIN_NAME_LEN];
+
+static const struct pinctrl_function msm_pinctrl_functions[] = {
+ {"gpio", 0},
+ {"blsp_uart0_0", 1}, /* Only for GPIO:16,17 */
+ {"blsp_uart0_1", 2}, /* Only for GPIO:60,61 */
+ {"blsp_uart1", 1},
+};
+
+static const char *ipq4019_get_function_name(struct udevice *dev,
+ unsigned int selector)
+{
+ return msm_pinctrl_functions[selector].name;
+}
+
+static const char *ipq4019_get_pin_name(struct udevice *dev,
+ unsigned int selector)
+{
+ snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+ return pin_name;
+}
+
+static unsigned int ipq4019_get_function_mux(unsigned int selector)
+{
+ return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data ipq4019_data = {
+ .pin_count = 100,
+ .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+ .get_function_name = ipq4019_get_function_name,
+ .get_function_mux = ipq4019_get_function_mux,
+ .get_pin_name = ipq4019_get_pin_name,
+};
diff --git a/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c
new file mode 100644
index 0000000000..64b8b049fa
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * TLMM driver for Qualcomm IPQ40xx
+ *
+ * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com>
+ *
+ * Copyright (c) 2020 Sartura Ltd.
+ *
+ * Author: Robert Marko <robert.marko@sartura.hr>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <dm/pinctrl.h>
+#include <linux/bitops.h>
+#include "pinctrl-snapdragon.h"
+
+struct msm_pinctrl_priv {
+ phys_addr_t base;
+ struct msm_pinctrl_data *data;
+};
+
+#define GPIO_CONFIG_OFFSET(x) ((x) * 0x1000)
+#define TLMM_GPIO_PULL_MASK GENMASK(1, 0)
+#define TLMM_FUNC_SEL_MASK GENMASK(5, 2)
+#define TLMM_DRV_STRENGTH_MASK GENMASK(8, 6)
+#define TLMM_GPIO_DISABLE BIT(9)
+
+static const struct pinconf_param msm_conf_params[] = {
+ { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 2 },
+ { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
+ { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 2 },
+};
+
+static int msm_get_functions_count(struct udevice *dev)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ return priv->data->functions_count;
+}
+
+static int msm_get_pins_count(struct udevice *dev)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ return priv->data->pin_count;
+}
+
+static const char *msm_get_function_name(struct udevice *dev,
+ unsigned int selector)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ return priv->data->get_function_name(dev, selector);
+}
+
+static int msm_pinctrl_probe(struct udevice *dev)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ priv->base = devfdt_get_addr(dev);
+ priv->data = (struct msm_pinctrl_data *)dev->driver_data;
+
+ return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0;
+}
+
+static const char *msm_get_pin_name(struct udevice *dev, unsigned int selector)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ return priv->data->get_pin_name(dev, selector);
+}
+
+static int msm_pinmux_set(struct udevice *dev, unsigned int pin_selector,
+ unsigned int func_selector)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
+ TLMM_FUNC_SEL_MASK | TLMM_GPIO_DISABLE,
+ priv->data->get_function_mux(func_selector) << 2);
+ return 0;
+}
+
+static int msm_pinconf_set(struct udevice *dev, unsigned int pin_selector,
+ unsigned int param, unsigned int argument)
+{
+ struct msm_pinctrl_priv *priv = dev_get_priv(dev);
+
+ switch (param) {
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
+ TLMM_DRV_STRENGTH_MASK, argument << 6);
+ break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ clrbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
+ TLMM_GPIO_PULL_MASK);
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector),
+ TLMM_GPIO_PULL_MASK, argument);
+ break;
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
+static struct pinctrl_ops msm_pinctrl_ops = {
+ .get_pins_count = msm_get_pins_count,
+ .get_pin_name = msm_get_pin_name,
+ .set_state = pinctrl_generic_set_state,
+ .pinmux_set = msm_pinmux_set,
+ .pinconf_num_params = ARRAY_SIZE(msm_conf_params),
+ .pinconf_params = msm_conf_params,
+ .pinconf_set = msm_pinconf_set,
+ .get_functions_count = msm_get_functions_count,
+ .get_function_name = msm_get_function_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+ { .compatible = "qcom,tlmm-ipq4019", .data = (ulong)&ipq4019_data },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_snapdraon) = {
+ .name = "pinctrl_msm",
+ .id = UCLASS_PINCTRL,
+ .of_match = msm_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct msm_pinctrl_priv),
+ .ops = &msm_pinctrl_ops,
+ .probe = msm_pinctrl_probe,
+};
diff --git a/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h
new file mode 100644
index 0000000000..2341a71349
--- /dev/null
+++ b/arch/arm/mach-ipq40xx/pinctrl-snapdragon.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Qualcomm Pin control
+ *
+ * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com>
+ *
+ */
+#ifndef _PINCTRL_SNAPDRAGON_H
+#define _PINCTRL_SNAPDRAGON_H
+
+#include <common.h>
+
+struct msm_pinctrl_data {
+ int pin_count;
+ int functions_count;
+ const char *(*get_function_name)(struct udevice *dev,
+ unsigned int selector);
+ unsigned int (*get_function_mux)(unsigned int selector);
+ const char *(*get_pin_name)(struct udevice *dev,
+ unsigned int selector);
+};
+
+struct pinctrl_function {
+ const char *name;
+ int val;
+};
+
+extern struct msm_pinctrl_data ipq4019_data;
+
+#endif
generated by cgit (git 2.34.1) at 2024-12-27 12:58:34 +0000