Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / pinctrl / nomadik / pinctrl-nomadik-stn8815.c
diff --git a/kernel/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/kernel/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c
new file mode 100644 (file)
index 0000000..2cd7147
--- /dev/null
@@ -0,0 +1,358 @@
+#include <linux/kernel.h>
+#include <linux/pinctrl/pinctrl.h>
+#include "pinctrl-nomadik.h"
+
+/* All the pins that can be used for GPIO and some other functions */
+#define _GPIO(offset)          (offset)
+
+#define STN8815_PIN_B4         _GPIO(0)
+#define STN8815_PIN_D5         _GPIO(1)
+#define STN8815_PIN_C5         _GPIO(2)
+#define STN8815_PIN_A4         _GPIO(3)
+#define STN8815_PIN_B5         _GPIO(4)
+#define STN8815_PIN_D6         _GPIO(5)
+#define STN8815_PIN_C6         _GPIO(6)
+#define STN8815_PIN_B6         _GPIO(7)
+#define STN8815_PIN_B10                _GPIO(8)
+#define STN8815_PIN_A10                _GPIO(9)
+#define STN8815_PIN_C11                _GPIO(10)
+#define STN8815_PIN_B11                _GPIO(11)
+#define STN8815_PIN_A11                _GPIO(12)
+#define STN8815_PIN_C12                _GPIO(13)
+#define STN8815_PIN_B12                _GPIO(14)
+#define STN8815_PIN_A12                _GPIO(15)
+#define STN8815_PIN_C13                _GPIO(16)
+#define STN8815_PIN_B13                _GPIO(17)
+#define STN8815_PIN_A13                _GPIO(18)
+#define STN8815_PIN_D13                _GPIO(19)
+#define STN8815_PIN_C14                _GPIO(20)
+#define STN8815_PIN_B14                _GPIO(21)
+#define STN8815_PIN_A14                _GPIO(22)
+#define STN8815_PIN_D15                _GPIO(23)
+#define STN8815_PIN_C15                _GPIO(24)
+#define STN8815_PIN_B15                _GPIO(25)
+#define STN8815_PIN_A15                _GPIO(26)
+#define STN8815_PIN_C16                _GPIO(27)
+#define STN8815_PIN_B16                _GPIO(28)
+#define STN8815_PIN_A16                _GPIO(29)
+#define STN8815_PIN_D17                _GPIO(30)
+#define STN8815_PIN_C17                _GPIO(31)
+#define STN8815_PIN_AB6                _GPIO(32)
+#define STN8815_PIN_AA6                _GPIO(33)
+#define STN8815_PIN_Y6         _GPIO(34)
+#define STN8815_PIN_Y5         _GPIO(35)
+#define STN8815_PIN_AA5                _GPIO(36)
+#define STN8815_PIN_AB5                _GPIO(37)
+#define STN8815_PIN_AB4                _GPIO(38)
+#define STN8815_PIN_Y4         _GPIO(39)
+#define STN8815_PIN_R1         _GPIO(40)
+#define STN8815_PIN_R2         _GPIO(41)
+#define STN8815_PIN_R3         _GPIO(42)
+#define STN8815_PIN_P1         _GPIO(43)
+#define STN8815_PIN_P2         _GPIO(44)
+#define STN8815_PIN_P3         _GPIO(45)
+#define STN8815_PIN_N1         _GPIO(46)
+#define STN8815_PIN_N2         _GPIO(47)
+#define STN8815_PIN_N3         _GPIO(48)
+#define STN8815_PIN_M1         _GPIO(49)
+#define STN8815_PIN_M3         _GPIO(50)
+#define STN8815_PIN_M2         _GPIO(51)
+#define STN8815_PIN_L1         _GPIO(52)
+#define STN8815_PIN_L4         _GPIO(53)
+#define STN8815_PIN_L3         _GPIO(54)
+#define STN8815_PIN_L2         _GPIO(55)
+#define STN8815_PIN_F3         _GPIO(56)
+#define STN8815_PIN_F2         _GPIO(57)
+#define STN8815_PIN_E1         _GPIO(58)
+#define STN8815_PIN_E3         _GPIO(59)
+#define STN8815_PIN_E2         _GPIO(60)
+#define STN8815_PIN_E4         _GPIO(61)
+#define STN8815_PIN_D3         _GPIO(62)
+#define STN8815_PIN_D2         _GPIO(63)
+#define STN8815_PIN_F21                _GPIO(64)
+#define STN8815_PIN_F20                _GPIO(65)
+#define STN8815_PIN_E22                _GPIO(66)
+#define STN8815_PIN_D22                _GPIO(67)
+#define STN8815_PIN_E21                _GPIO(68)
+#define STN8815_PIN_E20                _GPIO(69)
+#define STN8815_PIN_C22                _GPIO(70)
+#define STN8815_PIN_D21                _GPIO(71)
+#define STN8815_PIN_D20                _GPIO(72)
+#define STN8815_PIN_C21                _GPIO(73)
+#define STN8815_PIN_C20                _GPIO(74)
+#define STN8815_PIN_C19                _GPIO(75)
+#define STN8815_PIN_B20                _GPIO(76)
+#define STN8815_PIN_B8         _GPIO(77)
+#define STN8815_PIN_A8         _GPIO(78)
+#define STN8815_PIN_C9         _GPIO(79)
+#define STN8815_PIN_B9         _GPIO(80)
+#define STN8815_PIN_A9         _GPIO(81)
+#define STN8815_PIN_C10                _GPIO(82)
+#define STN8815_PIN_K1         _GPIO(83)
+#define STN8815_PIN_K3         _GPIO(84)
+#define STN8815_PIN_K2         _GPIO(85)
+#define STN8815_PIN_J1         _GPIO(86)
+#define STN8815_PIN_J3         _GPIO(87)
+#define STN8815_PIN_J2         _GPIO(88)
+#define STN8815_PIN_H1         _GPIO(89)
+#define STN8815_PIN_H3         _GPIO(90)
+#define STN8815_PIN_H2         _GPIO(91)
+#define STN8815_PIN_G1         _GPIO(92)
+#define STN8815_PIN_G3         _GPIO(93)
+#define STN8815_PIN_G2         _GPIO(94)
+#define STN8815_PIN_F1         _GPIO(95)
+#define STN8815_PIN_T20                _GPIO(96)
+#define STN8815_PIN_R21                _GPIO(97)
+#define STN8815_PIN_R20                _GPIO(98)
+#define STN8815_PIN_U22                _GPIO(99)
+#define STN8815_PIN_N21                _GPIO(100)
+#define STN8815_PIN_N20                _GPIO(101)
+#define STN8815_PIN_P22                _GPIO(102)
+#define STN8815_PIN_N22                _GPIO(103)
+#define STN8815_PIN_V22                _GPIO(104)
+#define STN8815_PIN_V21                _GPIO(105)
+#define STN8815_PIN_K22                _GPIO(106)
+#define STN8815_PIN_K21                _GPIO(107)
+#define STN8815_PIN_H20                _GPIO(108)
+#define STN8815_PIN_G20                _GPIO(109)
+#define STN8815_PIN_L21                _GPIO(110)
+#define STN8815_PIN_H21                _GPIO(111)
+#define STN8815_PIN_J21                _GPIO(112)
+#define STN8815_PIN_H22                _GPIO(113)
+#define STN8815_PIN_K20                _GPIO(114)
+#define STN8815_PIN_L22                _GPIO(115)
+#define STN8815_PIN_G21                _GPIO(116)
+#define STN8815_PIN_J20                _GPIO(117)
+#define STN8815_PIN_G22                _GPIO(118)
+#define STN8815_PIN_U19                _GPIO(119)
+#define STN8815_PIN_G19                _GPIO(120)
+#define STN8815_PIN_M22                _GPIO(121)
+#define STN8815_PIN_M19                _GPIO(122)
+#define STN8815_PIN_J22                _GPIO(123)
+/* GPIOs 124-127 not routed to pins */
+
+/*
+ * The names of the pins are denoted by GPIO number and ball name, even
+ * though they can be used for other things than GPIO, this is the first
+ * column in the table of the data sheet and often used on schematics and
+ * such.
+ */
+static const struct pinctrl_pin_desc nmk_stn8815_pins[] = {
+       PINCTRL_PIN(STN8815_PIN_B4, "GPIO0_B4"),
+       PINCTRL_PIN(STN8815_PIN_D5, "GPIO1_D5"),
+       PINCTRL_PIN(STN8815_PIN_C5, "GPIO2_C5"),
+       PINCTRL_PIN(STN8815_PIN_A4, "GPIO3_A4"),
+       PINCTRL_PIN(STN8815_PIN_B5, "GPIO4_B5"),
+       PINCTRL_PIN(STN8815_PIN_D6, "GPIO5_D6"),
+       PINCTRL_PIN(STN8815_PIN_C6, "GPIO6_C6"),
+       PINCTRL_PIN(STN8815_PIN_B6, "GPIO7_B6"),
+       PINCTRL_PIN(STN8815_PIN_B10, "GPIO8_B10"),
+       PINCTRL_PIN(STN8815_PIN_A10, "GPIO9_A10"),
+       PINCTRL_PIN(STN8815_PIN_C11, "GPIO10_C11"),
+       PINCTRL_PIN(STN8815_PIN_B11, "GPIO11_B11"),
+       PINCTRL_PIN(STN8815_PIN_A11, "GPIO12_A11"),
+       PINCTRL_PIN(STN8815_PIN_C12, "GPIO13_C12"),
+       PINCTRL_PIN(STN8815_PIN_B12, "GPIO14_B12"),
+       PINCTRL_PIN(STN8815_PIN_A12, "GPIO15_A12"),
+       PINCTRL_PIN(STN8815_PIN_C13, "GPIO16_C13"),
+       PINCTRL_PIN(STN8815_PIN_B13, "GPIO17_B13"),
+       PINCTRL_PIN(STN8815_PIN_A13, "GPIO18_A13"),
+       PINCTRL_PIN(STN8815_PIN_D13, "GPIO19_D13"),
+       PINCTRL_PIN(STN8815_PIN_C14, "GPIO20_C14"),
+       PINCTRL_PIN(STN8815_PIN_B14, "GPIO21_B14"),
+       PINCTRL_PIN(STN8815_PIN_A14, "GPIO22_A14"),
+       PINCTRL_PIN(STN8815_PIN_D15, "GPIO23_D15"),
+       PINCTRL_PIN(STN8815_PIN_C15, "GPIO24_C15"),
+       PINCTRL_PIN(STN8815_PIN_B15, "GPIO25_B15"),
+       PINCTRL_PIN(STN8815_PIN_A15, "GPIO26_A15"),
+       PINCTRL_PIN(STN8815_PIN_C16, "GPIO27_C16"),
+       PINCTRL_PIN(STN8815_PIN_B16, "GPIO28_B16"),
+       PINCTRL_PIN(STN8815_PIN_A16, "GPIO29_A16"),
+       PINCTRL_PIN(STN8815_PIN_D17, "GPIO30_D17"),
+       PINCTRL_PIN(STN8815_PIN_C17, "GPIO31_C17"),
+       PINCTRL_PIN(STN8815_PIN_AB6, "GPIO32_AB6"),
+       PINCTRL_PIN(STN8815_PIN_AA6, "GPIO33_AA6"),
+       PINCTRL_PIN(STN8815_PIN_Y6, "GPIO34_Y6"),
+       PINCTRL_PIN(STN8815_PIN_Y5, "GPIO35_Y5"),
+       PINCTRL_PIN(STN8815_PIN_AA5, "GPIO36_AA5"),
+       PINCTRL_PIN(STN8815_PIN_AB5, "GPIO37_AB5"),
+       PINCTRL_PIN(STN8815_PIN_AB4, "GPIO38_AB4"),
+       PINCTRL_PIN(STN8815_PIN_Y4, "GPIO39_Y4"),
+       PINCTRL_PIN(STN8815_PIN_R1, "GPIO40_R1"),
+       PINCTRL_PIN(STN8815_PIN_R2, "GPIO41_R2"),
+       PINCTRL_PIN(STN8815_PIN_R3, "GPIO42_R3"),
+       PINCTRL_PIN(STN8815_PIN_P1, "GPIO43_P1"),
+       PINCTRL_PIN(STN8815_PIN_P2, "GPIO44_P2"),
+       PINCTRL_PIN(STN8815_PIN_P3, "GPIO45_P3"),
+       PINCTRL_PIN(STN8815_PIN_N1, "GPIO46_N1"),
+       PINCTRL_PIN(STN8815_PIN_N2, "GPIO47_N2"),
+       PINCTRL_PIN(STN8815_PIN_N3, "GPIO48_N3"),
+       PINCTRL_PIN(STN8815_PIN_M1, "GPIO49_M1"),
+       PINCTRL_PIN(STN8815_PIN_M3, "GPIO50_M3"),
+       PINCTRL_PIN(STN8815_PIN_M2, "GPIO51_M2"),
+       PINCTRL_PIN(STN8815_PIN_L1, "GPIO52_L1"),
+       PINCTRL_PIN(STN8815_PIN_L4, "GPIO53_L4"),
+       PINCTRL_PIN(STN8815_PIN_L3, "GPIO54_L3"),
+       PINCTRL_PIN(STN8815_PIN_L2, "GPIO55_L2"),
+       PINCTRL_PIN(STN8815_PIN_F3, "GPIO56_F3"),
+       PINCTRL_PIN(STN8815_PIN_F2, "GPIO57_F2"),
+       PINCTRL_PIN(STN8815_PIN_E1, "GPIO58_E1"),
+       PINCTRL_PIN(STN8815_PIN_E3, "GPIO59_E3"),
+       PINCTRL_PIN(STN8815_PIN_E2, "GPIO60_E2"),
+       PINCTRL_PIN(STN8815_PIN_E4, "GPIO61_E4"),
+       PINCTRL_PIN(STN8815_PIN_D3, "GPIO62_D3"),
+       PINCTRL_PIN(STN8815_PIN_D2, "GPIO63_D2"),
+       PINCTRL_PIN(STN8815_PIN_F21, "GPIO64_F21"),
+       PINCTRL_PIN(STN8815_PIN_F20, "GPIO65_F20"),
+       PINCTRL_PIN(STN8815_PIN_E22, "GPIO66_E22"),
+       PINCTRL_PIN(STN8815_PIN_D22, "GPIO67_D22"),
+       PINCTRL_PIN(STN8815_PIN_E21, "GPIO68_E21"),
+       PINCTRL_PIN(STN8815_PIN_E20, "GPIO69_E20"),
+       PINCTRL_PIN(STN8815_PIN_C22, "GPIO70_C22"),
+       PINCTRL_PIN(STN8815_PIN_D21, "GPIO71_D21"),
+       PINCTRL_PIN(STN8815_PIN_D20, "GPIO72_D20"),
+       PINCTRL_PIN(STN8815_PIN_C21, "GPIO73_C21"),
+       PINCTRL_PIN(STN8815_PIN_C20, "GPIO74_C20"),
+       PINCTRL_PIN(STN8815_PIN_C19, "GPIO75_C19"),
+       PINCTRL_PIN(STN8815_PIN_B20, "GPIO76_B20"),
+       PINCTRL_PIN(STN8815_PIN_B8, "GPIO77_B8"),
+       PINCTRL_PIN(STN8815_PIN_A8, "GPIO78_A8"),
+       PINCTRL_PIN(STN8815_PIN_C9, "GPIO79_C9"),
+       PINCTRL_PIN(STN8815_PIN_B9, "GPIO80_B9"),
+       PINCTRL_PIN(STN8815_PIN_A9, "GPIO81_A9"),
+       PINCTRL_PIN(STN8815_PIN_C10, "GPIO82_C10"),
+       PINCTRL_PIN(STN8815_PIN_K1, "GPIO83_K1"),
+       PINCTRL_PIN(STN8815_PIN_K3, "GPIO84_K3"),
+       PINCTRL_PIN(STN8815_PIN_K2, "GPIO85_K2"),
+       PINCTRL_PIN(STN8815_PIN_J1, "GPIO86_J1"),
+       PINCTRL_PIN(STN8815_PIN_J3, "GPIO87_J3"),
+       PINCTRL_PIN(STN8815_PIN_J2, "GPIO88_J2"),
+       PINCTRL_PIN(STN8815_PIN_H1, "GPIO89_H1"),
+       PINCTRL_PIN(STN8815_PIN_H3, "GPIO90_H3"),
+       PINCTRL_PIN(STN8815_PIN_H2, "GPIO91_H2"),
+       PINCTRL_PIN(STN8815_PIN_G1, "GPIO92_G1"),
+       PINCTRL_PIN(STN8815_PIN_G3, "GPIO93_G3"),
+       PINCTRL_PIN(STN8815_PIN_G2, "GPIO94_G2"),
+       PINCTRL_PIN(STN8815_PIN_F1, "GPIO95_F1"),
+       PINCTRL_PIN(STN8815_PIN_T20, "GPIO96_T20"),
+       PINCTRL_PIN(STN8815_PIN_R21, "GPIO97_R21"),
+       PINCTRL_PIN(STN8815_PIN_R20, "GPIO98_R20"),
+       PINCTRL_PIN(STN8815_PIN_U22, "GPIO99_U22"),
+       PINCTRL_PIN(STN8815_PIN_N21, "GPIO100_N21"),
+       PINCTRL_PIN(STN8815_PIN_N20, "GPIO101_N20"),
+       PINCTRL_PIN(STN8815_PIN_P22, "GPIO102_P22"),
+       PINCTRL_PIN(STN8815_PIN_N22, "GPIO103_N22"),
+       PINCTRL_PIN(STN8815_PIN_V22, "GPIO104_V22"),
+       PINCTRL_PIN(STN8815_PIN_V21, "GPIO105_V21"),
+       PINCTRL_PIN(STN8815_PIN_K22, "GPIO106_K22"),
+       PINCTRL_PIN(STN8815_PIN_K21, "GPIO107_K21"),
+       PINCTRL_PIN(STN8815_PIN_H20, "GPIO108_H20"),
+       PINCTRL_PIN(STN8815_PIN_G20, "GPIO109_G20"),
+       PINCTRL_PIN(STN8815_PIN_L21, "GPIO110_L21"),
+       PINCTRL_PIN(STN8815_PIN_H21, "GPIO111_H21"),
+       PINCTRL_PIN(STN8815_PIN_J21, "GPIO112_J21"),
+       PINCTRL_PIN(STN8815_PIN_H22, "GPIO113_H22"),
+       PINCTRL_PIN(STN8815_PIN_K20, "GPIO114_K20"),
+       PINCTRL_PIN(STN8815_PIN_L22, "GPIO115_L22"),
+       PINCTRL_PIN(STN8815_PIN_G21, "GPIO116_G21"),
+       PINCTRL_PIN(STN8815_PIN_J20, "GPIO117_J20"),
+       PINCTRL_PIN(STN8815_PIN_G22, "GPIO118_G22"),
+       PINCTRL_PIN(STN8815_PIN_U19, "GPIO119_U19"),
+       PINCTRL_PIN(STN8815_PIN_G19, "GPIO120_G19"),
+       PINCTRL_PIN(STN8815_PIN_M22, "GPIO121_M22"),
+       PINCTRL_PIN(STN8815_PIN_M19, "GPIO122_M19"),
+       PINCTRL_PIN(STN8815_PIN_J22, "GPIO123_J22"),
+};
+
+#define STN8815_GPIO_RANGE(a, b, c) { .name = "STN8815", .id = a, .base = b, \
+                       .pin_base = b, .npins = c }
+
+/*
+ * This matches the 32-pin gpio chips registered by the GPIO portion. This
+ * cannot be const since we assign the struct gpio_chip * pointer at runtime.
+ */
+static struct pinctrl_gpio_range nmk_stn8815_ranges[] = {
+       STN8815_GPIO_RANGE(0, 0, 32),
+       STN8815_GPIO_RANGE(1, 32, 32),
+       STN8815_GPIO_RANGE(2, 64, 32),
+       STN8815_GPIO_RANGE(3, 96, 28),
+};
+
+/*
+ * Read the pin group names like this:
+ * u0_a_1    = first groups of pins for uart0 on alt function a
+ * i2c2_b_2  = second group of pins for i2c2 on alt function b
+ */
+
+/* Altfunction A */
+static const unsigned u0_a_1_pins[] = { STN8815_PIN_B4, STN8815_PIN_D5,
+       STN8815_PIN_C5, STN8815_PIN_A4, STN8815_PIN_B5, STN8815_PIN_D6,
+       STN8815_PIN_C6, STN8815_PIN_B6 };
+static const unsigned mmcsd_a_1_pins[] = { STN8815_PIN_B10, STN8815_PIN_A10,
+       STN8815_PIN_C11, STN8815_PIN_B11, STN8815_PIN_A11, STN8815_PIN_C12,
+       STN8815_PIN_B12, STN8815_PIN_A12, STN8815_PIN_C13, STN8815_PIN_C15 };
+static const unsigned mmcsd_b_1_pins[] = { STN8815_PIN_D15 };
+static const unsigned u1_a_1_pins[] = { STN8815_PIN_M2, STN8815_PIN_L1,
+                                       STN8815_PIN_F3, STN8815_PIN_F2 };
+static const unsigned i2c1_a_1_pins[] = { STN8815_PIN_L4, STN8815_PIN_L3 };
+static const unsigned i2c0_a_1_pins[] = { STN8815_PIN_D3, STN8815_PIN_D2 };
+/* Altfunction B */
+static const unsigned u1_b_1_pins[] = { STN8815_PIN_B16, STN8815_PIN_A16 };
+static const unsigned i2cusb_b_1_pins[] = { STN8815_PIN_C21, STN8815_PIN_C20 };
+
+#define STN8815_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins,                \
+                       .npins = ARRAY_SIZE(a##_pins), .altsetting = b }
+
+static const struct nmk_pingroup nmk_stn8815_groups[] = {
+       STN8815_PIN_GROUP(u0_a_1, NMK_GPIO_ALT_A),
+       STN8815_PIN_GROUP(mmcsd_a_1, NMK_GPIO_ALT_A),
+       STN8815_PIN_GROUP(mmcsd_b_1, NMK_GPIO_ALT_B),
+       STN8815_PIN_GROUP(u1_a_1, NMK_GPIO_ALT_A),
+       STN8815_PIN_GROUP(i2c1_a_1, NMK_GPIO_ALT_A),
+       STN8815_PIN_GROUP(i2c0_a_1, NMK_GPIO_ALT_A),
+       STN8815_PIN_GROUP(u1_b_1, NMK_GPIO_ALT_B),
+       STN8815_PIN_GROUP(i2cusb_b_1, NMK_GPIO_ALT_B),
+};
+
+/* We use this macro to define the groups applicable to a function */
+#define STN8815_FUNC_GROUPS(a, b...)      \
+static const char * const a##_groups[] = { b };
+
+STN8815_FUNC_GROUPS(u0, "u0_a_1");
+STN8815_FUNC_GROUPS(mmcsd, "mmcsd_a_1", "mmcsd_b_1");
+STN8815_FUNC_GROUPS(u1, "u1_a_1", "u1_b_1");
+STN8815_FUNC_GROUPS(i2c1, "i2c1_a_1");
+STN8815_FUNC_GROUPS(i2c0, "i2c0_a_1");
+STN8815_FUNC_GROUPS(i2cusb, "i2cusb_b_1");
+
+#define FUNCTION(fname)                                        \
+       {                                               \
+               .name = #fname,                         \
+               .groups = fname##_groups,               \
+               .ngroups = ARRAY_SIZE(fname##_groups),  \
+       }
+
+static const struct nmk_function nmk_stn8815_functions[] = {
+       FUNCTION(u0),
+       FUNCTION(mmcsd),
+       FUNCTION(u1),
+       FUNCTION(i2c1),
+       FUNCTION(i2c0),
+       FUNCTION(i2cusb),
+};
+
+static const struct nmk_pinctrl_soc_data nmk_stn8815_soc = {
+       .gpio_ranges = nmk_stn8815_ranges,
+       .gpio_num_ranges = ARRAY_SIZE(nmk_stn8815_ranges),
+       .pins = nmk_stn8815_pins,
+       .npins = ARRAY_SIZE(nmk_stn8815_pins),
+       .functions = nmk_stn8815_functions,
+       .nfunctions = ARRAY_SIZE(nmk_stn8815_functions),
+       .groups = nmk_stn8815_groups,
+       .ngroups = ARRAY_SIZE(nmk_stn8815_groups),
+};
+
+void nmk_pinctrl_stn8815_init(const struct nmk_pinctrl_soc_data **soc)
+{
+       *soc = &nmk_stn8815_soc;
+}