summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/sirf/pinctrl-sirf.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/pinctrl/sirf/pinctrl-sirf.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/pinctrl/sirf/pinctrl-sirf.h')
-rw-r--r--drivers/pinctrl/sirf/pinctrl-sirf.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.h b/drivers/pinctrl/sirf/pinctrl-sirf.h
new file mode 100644
index 000000000..9550335fe
--- /dev/null
+++ b/drivers/pinctrl/sirf/pinctrl-sirf.h
@@ -0,0 +1,117 @@
+/*
+ * pinmux driver shared headfile for CSR SiRFsoc
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#ifndef __PINMUX_SIRF_H__
+#define __PINMUX_SIRF_H__
+
+#define SIRFSOC_NUM_PADS 622
+#define SIRFSOC_RSC_USB_UART_SHARE 0
+#define SIRFSOC_RSC_PIN_MUX 0x4
+
+#define SIRFSOC_GPIO_PAD_EN(g) ((g)*0x100 + 0x84)
+#define SIRFSOC_GPIO_PAD_EN_CLR(g) ((g)*0x100 + 0x90)
+#define SIRFSOC_GPIO_CTRL(g, i) ((g)*0x100 + (i)*4)
+#define SIRFSOC_GPIO_DSP_EN0 (0x80)
+#define SIRFSOC_GPIO_INT_STATUS(g) ((g)*0x100 + 0x8C)
+
+#define SIRFSOC_GPIO_CTL_INTR_LOW_MASK 0x1
+#define SIRFSOC_GPIO_CTL_INTR_HIGH_MASK 0x2
+#define SIRFSOC_GPIO_CTL_INTR_TYPE_MASK 0x4
+#define SIRFSOC_GPIO_CTL_INTR_EN_MASK 0x8
+#define SIRFSOC_GPIO_CTL_INTR_STS_MASK 0x10
+#define SIRFSOC_GPIO_CTL_OUT_EN_MASK 0x20
+#define SIRFSOC_GPIO_CTL_DATAOUT_MASK 0x40
+#define SIRFSOC_GPIO_CTL_DATAIN_MASK 0x80
+#define SIRFSOC_GPIO_CTL_PULL_MASK 0x100
+#define SIRFSOC_GPIO_CTL_PULL_HIGH 0x200
+#define SIRFSOC_GPIO_CTL_DSP_INT 0x400
+
+#define SIRFSOC_GPIO_NO_OF_BANKS 5
+#define SIRFSOC_GPIO_BANK_SIZE 32
+#define SIRFSOC_GPIO_NUM(bank, index) (((bank)*(32)) + (index))
+
+/**
+ * @dev: a pointer back to containing device
+ * @virtbase: the offset to the controller in virtual memory
+ */
+struct sirfsoc_pmx {
+ struct device *dev;
+ struct pinctrl_dev *pmx;
+ void __iomem *gpio_virtbase;
+ void __iomem *rsc_virtbase;
+ u32 gpio_regs[SIRFSOC_GPIO_NO_OF_BANKS][SIRFSOC_GPIO_BANK_SIZE];
+ u32 ints_regs[SIRFSOC_GPIO_NO_OF_BANKS];
+ u32 paden_regs[SIRFSOC_GPIO_NO_OF_BANKS];
+ u32 dspen_regs;
+ u32 rsc_regs[3];
+};
+
+/* SIRFSOC_GPIO_PAD_EN set */
+struct sirfsoc_muxmask {
+ unsigned long group;
+ unsigned long mask;
+};
+
+struct sirfsoc_padmux {
+ unsigned long muxmask_counts;
+ const struct sirfsoc_muxmask *muxmask;
+ /* RSC_PIN_MUX set */
+ unsigned long ctrlreg;
+ unsigned long funcmask;
+ unsigned long funcval;
+};
+
+ /**
+ * struct sirfsoc_pin_group - describes a SiRFprimaII pin group
+ * @name: the name of this specific pin group
+ * @pins: an array of discrete physical pins used in this group, taken
+ * from the driver-local pin enumeration space
+ * @num_pins: the number of pins in this group array, i.e. the number of
+ * elements in .pins so we can iterate over that array
+ */
+struct sirfsoc_pin_group {
+ const char *name;
+ const unsigned int *pins;
+ const unsigned num_pins;
+};
+
+#define SIRFSOC_PIN_GROUP(n, p) \
+ { \
+ .name = n, \
+ .pins = p, \
+ .num_pins = ARRAY_SIZE(p), \
+ }
+
+struct sirfsoc_pmx_func {
+ const char *name;
+ const char * const *groups;
+ const unsigned num_groups;
+ const struct sirfsoc_padmux *padmux;
+};
+
+#define SIRFSOC_PMX_FUNCTION(n, g, m) \
+ { \
+ .name = n, \
+ .groups = g, \
+ .num_groups = ARRAY_SIZE(g), \
+ .padmux = &m, \
+ }
+
+struct sirfsoc_pinctrl_data {
+ struct pinctrl_pin_desc *pads;
+ int pads_cnt;
+ struct sirfsoc_pin_group *grps;
+ int grps_cnt;
+ struct sirfsoc_pmx_func *funcs;
+ int funcs_cnt;
+};
+
+extern struct sirfsoc_pinctrl_data prima2_pinctrl_data;
+extern struct sirfsoc_pinctrl_data atlas6_pinctrl_data;
+
+#endif