[PATCH] pinctrl: pxa: add pxa25x architecture
Robert Jarzmik
robert.jarzmik at free.fr
Sun Apr 10 12:39:51 PDT 2016
Add the pxa25x architecture, which is a pxa2xx with 85 pins. The
registers spacing, and pins logic is common to pxa2xx, only the pins and
their alternate function are specific to pxa25x.
Signed-off-by: Robert Jarzmik <robert.jarzmik at free.fr>
---
drivers/pinctrl/pxa/Kconfig | 10 +-
drivers/pinctrl/pxa/Makefile | 1 +
drivers/pinctrl/pxa/pinctrl-pxa25x.c | 274 +++++++++++++++++++++++++++++++++++
3 files changed, 284 insertions(+), 1 deletion(-)
create mode 100644 drivers/pinctrl/pxa/pinctrl-pxa25x.c
diff --git a/drivers/pinctrl/pxa/Kconfig b/drivers/pinctrl/pxa/Kconfig
index 990667ff772c..c29bdcfa80af 100644
--- a/drivers/pinctrl/pxa/Kconfig
+++ b/drivers/pinctrl/pxa/Kconfig
@@ -6,12 +6,20 @@ config PINCTRL_PXA
select PINCONF
select GENERIC_PINCONF
+config PINCTRL_PXA25X
+ tristate "Marvell PXA25x pin controller driver"
+ select PINCTRL_PXA
+ default y if PXA25x
+ help
+ This is the pinctrl, pinmux, pinconf driver for the Marvell
+ PXA2xx block found in the pxa25x platforms.
+
config PINCTRL_PXA27X
tristate "Marvell PXA27x pin controller driver"
select PINCTRL_PXA
default y if PXA27x
help
This is the pinctrl, pinmux, pinconf driver for the Marvell
- PXA2xx block found in the pxa25x and pxa27x platforms.
+ PXA2xx block found in the pxa27x platforms.
endif
diff --git a/drivers/pinctrl/pxa/Makefile b/drivers/pinctrl/pxa/Makefile
index f1d56af2bfc0..ca2ade1a177b 100644
--- a/drivers/pinctrl/pxa/Makefile
+++ b/drivers/pinctrl/pxa/Makefile
@@ -1,2 +1,3 @@
# Marvell PXA pin control drivers
+obj-$(CONFIG_PINCTRL_PXA25X) += pinctrl-pxa2xx.o pinctrl-pxa25x.o
obj-$(CONFIG_PINCTRL_PXA27X) += pinctrl-pxa2xx.o pinctrl-pxa27x.o
diff --git a/drivers/pinctrl/pxa/pinctrl-pxa25x.c b/drivers/pinctrl/pxa/pinctrl-pxa25x.c
new file mode 100644
index 000000000000..b98ecb3c0683
--- /dev/null
+++ b/drivers/pinctrl/pxa/pinctrl-pxa25x.c
@@ -0,0 +1,274 @@
+/*
+ * Marvell PXA25x family pin control
+ *
+ * Copyright (C) 2016 Robert Jarzmik
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ */
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/pinctrl/pinctrl.h>
+
+#include "pinctrl-pxa2xx.h"
+
+static const struct pxa_desc_pin pxa25x_pins[] = {
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(0)),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(1),
+ PXA_FUNCTION(0, 1, "GP_RST")),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(2)),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(3)),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(4)),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(5)),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(6),
+ PXA_FUNCTION(1, 1, "MMCCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(7),
+ PXA_FUNCTION(1, 1, "48_MHz")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(8),
+ PXA_FUNCTION(1, 1, "MMCCS0")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(9),
+ PXA_FUNCTION(1, 1, "MMCCS1")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(10),
+ PXA_FUNCTION(1, 1, "RTCCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(11),
+ PXA_FUNCTION(1, 1, "3_6_MHz")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(12),
+ PXA_FUNCTION(1, 1, "32_kHz")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(13),
+ PXA_FUNCTION(1, 2, "MBGNT")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(14),
+ PXA_FUNCTION(0, 1, "MBREQ")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(15),
+ PXA_FUNCTION(1, 2, "nCS_1")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(16),
+ PXA_FUNCTION(1, 2, "PWM0")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(17),
+ PXA_FUNCTION(1, 2, "PWM1")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(18),
+ PXA_FUNCTION(0, 1, "RDY")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(19),
+ PXA_FUNCTION(0, 1, "DREQ[1]")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(20),
+ PXA_FUNCTION(0, 1, "DREQ[0]")),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(21)),
+ PXA_GPIO_ONLY_PIN(PXA_PINCTRL_PIN(22)),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(23),
+ PXA_FUNCTION(1, 2, "SCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(24),
+ PXA_FUNCTION(1, 2, "SFRM")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(25),
+ PXA_FUNCTION(1, 2, "TXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(26),
+ PXA_FUNCTION(0, 1, "RXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(27),
+ PXA_FUNCTION(0, 1, "EXTCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(28),
+ PXA_FUNCTION(0, 1, "BITCLK"),
+ PXA_FUNCTION(0, 2, "BITCLK"),
+ PXA_FUNCTION(1, 1, "BITCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(29),
+ PXA_FUNCTION(0, 1, "SDATA_IN0"),
+ PXA_FUNCTION(0, 2, "SDATA_IN")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(30),
+ PXA_FUNCTION(1, 1, "SDATA_OUT"),
+ PXA_FUNCTION(1, 2, "SDATA_OUT")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(31),
+ PXA_FUNCTION(1, 1, "SYNC"),
+ PXA_FUNCTION(1, 2, "SYNC")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(32),
+ PXA_FUNCTION(0, 1, "SDATA_IN1"),
+ PXA_FUNCTION(1, 1, "SYSCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(33),
+ PXA_FUNCTION(1, 2, "nCS[5]")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(34),
+ PXA_FUNCTION(0, 1, "FFRXD"),
+ PXA_FUNCTION(1, 2, "MMCCS0")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(35),
+ PXA_FUNCTION(0, 1, "CTS")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(36),
+ PXA_FUNCTION(0, 1, "DCD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(37),
+ PXA_FUNCTION(0, 1, "DSR")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(38),
+ PXA_FUNCTION(0, 1, "RI")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(39),
+ PXA_FUNCTION(1, 1, "MMCC1"),
+ PXA_FUNCTION(1, 2, "FFTXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(40),
+ PXA_FUNCTION(1, 2, "DTR")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(41),
+ PXA_FUNCTION(1, 2, "RTS")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(42),
+ PXA_FUNCTION(0, 1, "BTRXD"),
+ PXA_FUNCTION(0, 3, "HWRXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(43),
+ PXA_FUNCTION(1, 2, "BTTXD"),
+ PXA_FUNCTION(1, 3, "HWTXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(44),
+ PXA_FUNCTION(0, 1, "BTCTS"),
+ PXA_FUNCTION(0, 3, "HWCTS")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(45),
+ PXA_FUNCTION(1, 2, "BTRTS"),
+ PXA_FUNCTION(1, 3, "HWRTS")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(46),
+ PXA_FUNCTION(0, 1, "ICP_RXD"),
+ PXA_FUNCTION(0, 2, "RXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(47),
+ PXA_FUNCTION(1, 1, "TXD"),
+ PXA_FUNCTION(1, 2, "ICP_TXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(48),
+ PXA_FUNCTION(1, 1, "HWTXD"),
+ PXA_FUNCTION(1, 2, "nPOE")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(49),
+ PXA_FUNCTION(0, 1, "HWRXD"),
+ PXA_FUNCTION(1, 2, "nPWE")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(50),
+ PXA_FUNCTION(0, 1, "HWCTS"),
+ PXA_FUNCTION(1, 2, "nPIOR")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(51),
+ PXA_FUNCTION(1, 1, "HWRTS"),
+ PXA_FUNCTION(1, 2, "nPIOW")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(52),
+ PXA_FUNCTION(1, 2, "nPCE[1]")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(53),
+ PXA_FUNCTION(1, 1, "MMCCLK"),
+ PXA_FUNCTION(1, 2, "nPCE[2]")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(54),
+ PXA_FUNCTION(1, 1, "MMCCLK"),
+ PXA_FUNCTION(1, 2, "nPSKTSEL")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(55),
+ PXA_FUNCTION(1, 2, "nPREG")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(56),
+ PXA_FUNCTION(0, 1, "nPWAIT")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(57),
+ PXA_FUNCTION(0, 1, "nIOIS16")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(58),
+ PXA_FUNCTION(1, 2, "LDD<0>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(59),
+ PXA_FUNCTION(1, 2, "LDD<1>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(60),
+ PXA_FUNCTION(1, 2, "LDD<2>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(61),
+ PXA_FUNCTION(1, 2, "LDD<3>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(62),
+ PXA_FUNCTION(1, 2, "LDD<4>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(63),
+ PXA_FUNCTION(1, 2, "LDD<5>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(64),
+ PXA_FUNCTION(1, 2, "LDD<6>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(65),
+ PXA_FUNCTION(1, 2, "LDD<7>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(66),
+ PXA_FUNCTION(0, 1, "MBREQ"),
+ PXA_FUNCTION(1, 2, "LDD<8>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(67),
+ PXA_FUNCTION(1, 1, "MMCCS0"),
+ PXA_FUNCTION(1, 2, "LDD<9>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(68),
+ PXA_FUNCTION(1, 1, "MMCCS1"),
+ PXA_FUNCTION(1, 2, "LDD<10>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(69),
+ PXA_FUNCTION(1, 1, "MMCCLK"),
+ PXA_FUNCTION(1, 2, "LDD<11>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(70),
+ PXA_FUNCTION(1, 1, "RTCCLK"),
+ PXA_FUNCTION(1, 2, "LDD<12>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(71),
+ PXA_FUNCTION(1, 1, "3_6_MHz"),
+ PXA_FUNCTION(1, 2, "LDD<13>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(72),
+ PXA_FUNCTION(1, 1, "32_kHz"),
+ PXA_FUNCTION(1, 2, "LDD<14>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(73),
+ PXA_FUNCTION(1, 1, "MBGNT"),
+ PXA_FUNCTION(1, 2, "LDD<15>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(74),
+ PXA_FUNCTION(1, 2, "LCD_FCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(75),
+ PXA_FUNCTION(1, 2, "LCD_LCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(76),
+ PXA_FUNCTION(1, 2, "LCD_PCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(77),
+ PXA_FUNCTION(1, 2, "LCD_ACBIAS")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(78),
+ PXA_FUNCTION(1, 2, "nCS<2>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(79),
+ PXA_FUNCTION(1, 2, "nCS<3>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(80),
+ PXA_FUNCTION(1, 2, "nCS<4>")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(81),
+ PXA_FUNCTION(0, 1, "NSSPSCLK"),
+ PXA_FUNCTION(1, 1, "NSSPSCLK")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(82),
+ PXA_FUNCTION(0, 1, "NSSPSFRM"),
+ PXA_FUNCTION(1, 1, "NSSPSFRM")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(83),
+ PXA_FUNCTION(0, 2, "NSSPRXD"),
+ PXA_FUNCTION(1, 1, "NSSPTXD")),
+ PXA_GPIO_PIN(PXA_PINCTRL_PIN(84),
+ PXA_FUNCTION(0, 2, "NSSPRXD"),
+ PXA_FUNCTION(1, 1, "NSSPTXD")),
+};
+
+static int pxa25x_pinctrl_probe(struct platform_device *pdev)
+{
+ int ret, i;
+ void __iomem *base_af[8];
+ void __iomem *base_dir[4];
+ void __iomem *base_sleep[4];
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base_af[0] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base_af[0]))
+ return PTR_ERR(base_af[0]);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ base_dir[0] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base_dir[0]))
+ return PTR_ERR(base_dir[0]);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ base_dir[3] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base_dir[3]))
+ return PTR_ERR(base_dir[3]);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 3);
+ base_sleep[0] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base_sleep[0]))
+ return PTR_ERR(base_sleep[0]);
+
+ for (i = 0; i < ARRAY_SIZE(base_af); i++)
+ base_af[i] = base_af[0] + sizeof(base_af[0]) * i;
+ for (i = 0; i < 3; i++)
+ base_dir[i] = base_dir[0] + sizeof(base_dir[0]) * i;
+ for (i = 0; i < ARRAY_SIZE(base_sleep); i++)
+ base_sleep[i] = base_sleep[0] + sizeof(base_af[0]) * i;
+
+ ret = pxa2xx_pinctrl_init(pdev, pxa25x_pins, ARRAY_SIZE(pxa25x_pins),
+ base_af, base_dir, base_sleep);
+ return ret;
+}
+
+static const struct of_device_id pxa25x_pinctrl_match[] = {
+ { .compatible = "marvell,pxa25x-pinctrl", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, pxa25x_pinctrl_match);
+
+static struct platform_driver pxa25x_pinctrl_driver = {
+ .probe = pxa25x_pinctrl_probe,
+ .driver = {
+ .name = "pxa25x-pinctrl",
+ .of_match_table = pxa25x_pinctrl_match,
+ },
+};
+module_platform_driver(pxa25x_pinctrl_driver);
+
+MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik at free.fr>");
+MODULE_DESCRIPTION("Marvell PXA25x pinctrl driver");
+MODULE_LICENSE("GPL v2");
--
2.1.4
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