Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 312 insertions, 0 deletions

diff --git a/drivers/pinctrl/actions/pinctrl-owl.h b/drivers/pinctrl/actions/pinctrl-owl.h
new file mode 100644
index 000000000..dae2e8363
--- /dev/null
+++ b/drivers/pinctrl/actions/pinctrl-owl.h
@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * OWL SoC's Pinctrl definitions
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Author: David Liu <liuwei@actions-semi.com>
+ *
+ * Copyright (c) 2018 Linaro Ltd.
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ */
+
+#ifndef __PINCTRL_OWL_H__
+#define __PINCTRL_OWL_H__
+
+#define OWL_PINCONF_SLEW_SLOW 0
+#define OWL_PINCONF_SLEW_FAST 1
+
+#define MUX_PG(group_name, reg, shift, width)				\
+	{								\
+		.name = #group_name,					\
+		.pads = group_name##_pads,				\
+		.npads = ARRAY_SIZE(group_name##_pads),			\
+		.funcs = group_name##_funcs,				\
+		.nfuncs = ARRAY_SIZE(group_name##_funcs),		\
+		.mfpctl_reg  = MFCTL##reg,				\
+		.mfpctl_shift = shift,					\
+		.mfpctl_width = width,					\
+		.drv_reg = -1,						\
+		.drv_shift = -1,					\
+		.drv_width = -1,					\
+		.sr_reg = -1,						\
+		.sr_shift = -1,						\
+		.sr_width = -1,						\
+	}
+
+#define DRV_PG(group_name, reg, shift, width)				\
+	{								\
+		.name = #group_name,					\
+		.pads = group_name##_pads,				\
+		.npads = ARRAY_SIZE(group_name##_pads),			\
+		.mfpctl_reg  = -1,					\
+		.mfpctl_shift = -1,					\
+		.mfpctl_width = -1,					\
+		.drv_reg = PAD_DRV##reg,				\
+		.drv_shift = shift,					\
+		.drv_width = width,					\
+		.sr_reg = -1,						\
+		.sr_shift = -1,						\
+		.sr_width = -1,						\
+	}
+
+#define SR_PG(group_name, reg, shift, width)				\
+	{								\
+		.name = #group_name,					\
+		.pads = group_name##_pads,				\
+		.npads = ARRAY_SIZE(group_name##_pads),			\
+		.mfpctl_reg  = -1,					\
+		.mfpctl_shift = -1,					\
+		.mfpctl_width = -1,					\
+		.drv_reg = -1,						\
+		.drv_shift = -1,					\
+		.drv_width = -1,					\
+		.sr_reg = PAD_SR##reg,					\
+		.sr_shift = shift,					\
+		.sr_width = width,					\
+	}
+
+#define FUNCTION(fname)					\
+	{						\
+		.name = #fname,				\
+		.groups = fname##_groups,		\
+		.ngroups = ARRAY_SIZE(fname##_groups),	\
+	}
+
+/* PAD PULL UP/DOWN CONFIGURES */
+#define PULLCTL_CONF(pull_reg, pull_sft, pull_wdt)	\
+	{						\
+		.reg = PAD_PULLCTL##pull_reg,		\
+		.shift = pull_sft,			\
+		.width = pull_wdt,			\
+	}
+
+#define PAD_PULLCTL_CONF(pad_name, pull_reg, pull_sft, pull_wdt)	\
+	struct owl_pullctl pad_name##_pullctl_conf			\
+		= PULLCTL_CONF(pull_reg, pull_sft, pull_wdt)
+
+#define ST_CONF(st_reg, st_sft, st_wdt)			\
+	{						\
+		.reg = PAD_ST##st_reg,			\
+		.shift = st_sft,			\
+		.width = st_wdt,			\
+	}
+
+#define PAD_ST_CONF(pad_name, st_reg, st_sft, st_wdt)	\
+	struct owl_st pad_name##_st_conf		\
+		= ST_CONF(st_reg, st_sft, st_wdt)
+
+#define PAD_INFO(name)					\
+	{						\
+		.pad = name,				\
+		.pullctl = NULL,			\
+		.st = NULL,				\
+	}
+
+#define PAD_INFO_ST(name)				\
+	{						\
+		.pad = name,				\
+		.pullctl = NULL,			\
+		.st = &name##_st_conf,			\
+	}
+
+#define PAD_INFO_PULLCTL(name)				\
+	{						\
+		.pad = name,				\
+		.pullctl = &name##_pullctl_conf,	\
+		.st = NULL,				\
+	}
+
+#define PAD_INFO_PULLCTL_ST(name)			\
+	{						\
+		.pad = name,				\
+		.pullctl = &name##_pullctl_conf,	\
+		.st = &name##_st_conf,			\
+	}
+
+#define OWL_GPIO_PORT_A		0
+#define OWL_GPIO_PORT_B		1
+#define OWL_GPIO_PORT_C		2
+#define OWL_GPIO_PORT_D		3
+#define OWL_GPIO_PORT_E		4
+#define OWL_GPIO_PORT_F		5
+
+#define OWL_GPIO_PORT(port, base, count, _outen, _inen, _dat, _intc_ctl,\
+			_intc_pd, _intc_msk, _intc_type, _share)	\
+	[OWL_GPIO_PORT_##port] = {				\
+		.offset = base,					\
+		.pins = count,					\
+		.outen = _outen,				\
+		.inen = _inen,					\
+		.dat = _dat,					\
+		.intc_ctl = _intc_ctl,				\
+		.intc_pd = _intc_pd,				\
+		.intc_msk = _intc_msk,				\
+		.intc_type = _intc_type,			\
+		.shared_ctl_offset = _share,			\
+	}
+
+enum owl_pinconf_drv {
+	OWL_PINCONF_DRV_2MA,
+	OWL_PINCONF_DRV_4MA,
+	OWL_PINCONF_DRV_8MA,
+	OWL_PINCONF_DRV_12MA,
+};
+
+/* GPIO CTRL Bit Definition */
+#define OWL_GPIO_CTLR_PENDING		0
+#define OWL_GPIO_CTLR_ENABLE		1
+#define OWL_GPIO_CTLR_SAMPLE_CLK_24M	2
+
+/* GPIO TYPE Bit Definition */
+#define OWL_GPIO_INT_LEVEL_HIGH		0
+#define OWL_GPIO_INT_LEVEL_LOW		1
+#define OWL_GPIO_INT_EDGE_RISING	2
+#define OWL_GPIO_INT_EDGE_FALLING	3
+#define OWL_GPIO_INT_MASK		3
+
+/**
+ * struct owl_pullctl - Actions pad pull control register
+ * @reg: offset to the pull control register
+ * @shift: shift value of the register
+ * @width: width of the register
+ */
+struct owl_pullctl {
+	int reg;
+	unsigned int shift;
+	unsigned int width;
+};
+
+/**
+ * struct owl_st - Actions pad schmitt trigger enable register
+ * @reg: offset to the schmitt trigger enable register
+ * @shift: shift value of the register
+ * @width: width of the register
+ */
+struct owl_st {
+	int reg;
+	unsigned int shift;
+	unsigned int width;
+};
+
+/**
+ * struct owl_pingroup - Actions pingroup definition
+ * @name: name of the  pin group
+ * @pads: list of pins assigned to this pingroup
+ * @npads: size of @pads array
+ * @funcs: list of pinmux functions for this pingroup
+ * @nfuncs: size of @funcs array
+ * @mfpctl_reg: multiplexing control register offset
+ * @mfpctl_shift: multiplexing control register bit mask
+ * @mfpctl_width: multiplexing control register width
+ * @drv_reg: drive control register offset
+ * @drv_shift: drive control register bit mask
+ * @drv_width: driver control register width
+ * @sr_reg: slew rate control register offset
+ * @sr_shift: slew rate control register bit mask
+ * @sr_width: slew rate control register width
+ */
+struct owl_pingroup {
+	const char *name;
+	unsigned int *pads;
+	unsigned int npads;
+	unsigned int *funcs;
+	unsigned int nfuncs;
+
+	int mfpctl_reg;
+	unsigned int mfpctl_shift;
+	unsigned int mfpctl_width;
+
+	int drv_reg;
+	unsigned int drv_shift;
+	unsigned int drv_width;
+
+	int sr_reg;
+	unsigned int sr_shift;
+	unsigned int sr_width;
+};
+
+/**
+ * struct owl_padinfo - Actions pinctrl pad info
+ * @pad: pad name of the SoC
+ * @pullctl: pull control register info
+ * @st: schmitt trigger register info
+ */
+struct owl_padinfo {
+	int pad;
+	struct owl_pullctl *pullctl;
+	struct owl_st *st;
+};
+
+/**
+ * struct owl_pinmux_func - Actions pinctrl mux functions
+ * @name: name of the pinmux function.
+ * @groups: array of pin groups that may select this function.
+ * @ngroups: number of entries in @groups.
+ */
+struct owl_pinmux_func {
+	const char *name;
+	const char * const *groups;
+	unsigned int ngroups;
+};
+
+/**
+ * struct owl_gpio_port - Actions GPIO port info
+ * @offset: offset of the GPIO port.
+ * @pins: number of pins belongs to the GPIO port.
+ * @outen: offset of the output enable register.
+ * @inen: offset of the input enable register.
+ * @dat: offset of the data register.
+ * @intc_ctl: offset of the interrupt control register.
+ * @intc_pd: offset of the interrupt pending register.
+ * @intc_msk: offset of the interrupt mask register.
+ * @intc_type: offset of the interrupt type register.
+ */
+struct owl_gpio_port {
+	unsigned int offset;
+	unsigned int pins;
+	unsigned int outen;
+	unsigned int inen;
+	unsigned int dat;
+	unsigned int intc_ctl;
+	unsigned int intc_pd;
+	unsigned int intc_msk;
+	unsigned int intc_type;
+	u8 shared_ctl_offset;
+};
+
+/**
+ * struct owl_pinctrl_soc_data - Actions pin controller driver configuration
+ * @pins: array describing all pins of the pin controller.
+ * @npins: number of entries in @pins.
+ * @functions: array describing all mux functions of this SoC.
+ * @nfunction: number of entries in @functions.
+ * @groups: array describing all pin groups of this SoC.
+ * @ngroups: number of entries in @groups.
+ * @padinfo: array describing the pad info of this SoC.
+ * @ngpios: number of pingroups the driver should expose as GPIOs.
+ * @ports: array describing all GPIO ports of this SoC.
+ * @nports: number of GPIO ports in this SoC.
+ */
+struct owl_pinctrl_soc_data {
+	const struct pinctrl_pin_desc *pins;
+	unsigned int npins;
+	const struct owl_pinmux_func *functions;
+	unsigned int nfunctions;
+	const struct owl_pingroup *groups;
+	unsigned int ngroups;
+	const struct owl_padinfo *padinfo;
+	unsigned int ngpios;
+	const struct owl_gpio_port *ports;
+	unsigned int nports;
+	int (*padctl_val2arg)(const struct owl_padinfo *padinfo,
+				unsigned int param,
+				u32 *arg);
+	int (*padctl_arg2val)(const struct owl_padinfo *info,
+				unsigned int param,
+				u32 *arg);
+};
+
+int owl_pinctrl_probe(struct platform_device *pdev,
+		struct owl_pinctrl_soc_data *soc_data);
+
+#endif /* __PINCTRL_OWL_H__ */