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authorShawn Guo <shawn.guo@linaro.org>2012-04-28 13:00:50 +0800
committerLinus Walleij <linus.walleij@linaro.org>2012-05-02 01:18:27 +0200
commit17723111e64fbcc327846ff0b33532bcf1d40f56 (patch)
tree08b6f0609a59dab9f47a59ee339c54b4170405b2 /drivers/pinctrl/pinctrl-imx28.c
parentd8fe35727a3c7e0f2c4ff0a579aab1d7ce252df8 (diff)
pinctrl: add pinctrl-mxs support
Add pinctrl support for Freescale MXS SoCs, i.MX23 and i.MX28. The driver supports device tree probe only. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-imx28.c')
-rw-r--r--drivers/pinctrl/pinctrl-imx28.c421
1 files changed, 421 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-imx28.c b/drivers/pinctrl/pinctrl-imx28.c
new file mode 100644
index 00000000000..b973026811a
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-imx28.c
@@ -0,0 +1,421 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/pinctrl/pinctrl.h>
+#include "pinctrl-mxs.h"
+
+enum imx28_pin_enum {
+ GPMI_D00 = PINID(0, 0),
+ GPMI_D01 = PINID(0, 1),
+ GPMI_D02 = PINID(0, 2),
+ GPMI_D03 = PINID(0, 3),
+ GPMI_D04 = PINID(0, 4),
+ GPMI_D05 = PINID(0, 5),
+ GPMI_D06 = PINID(0, 6),
+ GPMI_D07 = PINID(0, 7),
+ GPMI_CE0N = PINID(0, 16),
+ GPMI_CE1N = PINID(0, 17),
+ GPMI_CE2N = PINID(0, 18),
+ GPMI_CE3N = PINID(0, 19),
+ GPMI_RDY0 = PINID(0, 20),
+ GPMI_RDY1 = PINID(0, 21),
+ GPMI_RDY2 = PINID(0, 22),
+ GPMI_RDY3 = PINID(0, 23),
+ GPMI_RDN = PINID(0, 24),
+ GPMI_WRN = PINID(0, 25),
+ GPMI_ALE = PINID(0, 26),
+ GPMI_CLE = PINID(0, 27),
+ GPMI_RESETN = PINID(0, 28),
+ LCD_D00 = PINID(1, 0),
+ LCD_D01 = PINID(1, 1),
+ LCD_D02 = PINID(1, 2),
+ LCD_D03 = PINID(1, 3),
+ LCD_D04 = PINID(1, 4),
+ LCD_D05 = PINID(1, 5),
+ LCD_D06 = PINID(1, 6),
+ LCD_D07 = PINID(1, 7),
+ LCD_D08 = PINID(1, 8),
+ LCD_D09 = PINID(1, 9),
+ LCD_D10 = PINID(1, 10),
+ LCD_D11 = PINID(1, 11),
+ LCD_D12 = PINID(1, 12),
+ LCD_D13 = PINID(1, 13),
+ LCD_D14 = PINID(1, 14),
+ LCD_D15 = PINID(1, 15),
+ LCD_D16 = PINID(1, 16),
+ LCD_D17 = PINID(1, 17),
+ LCD_D18 = PINID(1, 18),
+ LCD_D19 = PINID(1, 19),
+ LCD_D20 = PINID(1, 20),
+ LCD_D21 = PINID(1, 21),
+ LCD_D22 = PINID(1, 22),
+ LCD_D23 = PINID(1, 23),
+ LCD_RD_E = PINID(1, 24),
+ LCD_WR_RWN = PINID(1, 25),
+ LCD_RS = PINID(1, 26),
+ LCD_CS = PINID(1, 27),
+ LCD_VSYNC = PINID(1, 28),
+ LCD_HSYNC = PINID(1, 29),
+ LCD_DOTCLK = PINID(1, 30),
+ LCD_ENABLE = PINID(1, 31),
+ SSP0_DATA0 = PINID(2, 0),
+ SSP0_DATA1 = PINID(2, 1),
+ SSP0_DATA2 = PINID(2, 2),
+ SSP0_DATA3 = PINID(2, 3),
+ SSP0_DATA4 = PINID(2, 4),
+ SSP0_DATA5 = PINID(2, 5),
+ SSP0_DATA6 = PINID(2, 6),
+ SSP0_DATA7 = PINID(2, 7),
+ SSP0_CMD = PINID(2, 8),
+ SSP0_DETECT = PINID(2, 9),
+ SSP0_SCK = PINID(2, 10),
+ SSP1_SCK = PINID(2, 12),
+ SSP1_CMD = PINID(2, 13),
+ SSP1_DATA0 = PINID(2, 14),
+ SSP1_DATA3 = PINID(2, 15),
+ SSP2_SCK = PINID(2, 16),
+ SSP2_MOSI = PINID(2, 17),
+ SSP2_MISO = PINID(2, 18),
+ SSP2_SS0 = PINID(2, 19),
+ SSP2_SS1 = PINID(2, 20),
+ SSP2_SS2 = PINID(2, 21),
+ SSP3_SCK = PINID(2, 24),
+ SSP3_MOSI = PINID(2, 25),
+ SSP3_MISO = PINID(2, 26),
+ SSP3_SS0 = PINID(2, 27),
+ AUART0_RX = PINID(3, 0),
+ AUART0_TX = PINID(3, 1),
+ AUART0_CTS = PINID(3, 2),
+ AUART0_RTS = PINID(3, 3),
+ AUART1_RX = PINID(3, 4),
+ AUART1_TX = PINID(3, 5),
+ AUART1_CTS = PINID(3, 6),
+ AUART1_RTS = PINID(3, 7),
+ AUART2_RX = PINID(3, 8),
+ AUART2_TX = PINID(3, 9),
+ AUART2_CTS = PINID(3, 10),
+ AUART2_RTS = PINID(3, 11),
+ AUART3_RX = PINID(3, 12),
+ AUART3_TX = PINID(3, 13),
+ AUART3_CTS = PINID(3, 14),
+ AUART3_RTS = PINID(3, 15),
+ PWM0 = PINID(3, 16),
+ PWM1 = PINID(3, 17),
+ PWM2 = PINID(3, 18),
+ SAIF0_MCLK = PINID(3, 20),
+ SAIF0_LRCLK = PINID(3, 21),
+ SAIF0_BITCLK = PINID(3, 22),
+ SAIF0_SDATA0 = PINID(3, 23),
+ I2C0_SCL = PINID(3, 24),
+ I2C0_SDA = PINID(3, 25),
+ SAIF1_SDATA0 = PINID(3, 26),
+ SPDIF = PINID(3, 27),
+ PWM3 = PINID(3, 28),
+ PWM4 = PINID(3, 29),
+ LCD_RESET = PINID(3, 30),
+ ENET0_MDC = PINID(4, 0),
+ ENET0_MDIO = PINID(4, 1),
+ ENET0_RX_EN = PINID(4, 2),
+ ENET0_RXD0 = PINID(4, 3),
+ ENET0_RXD1 = PINID(4, 4),
+ ENET0_TX_CLK = PINID(4, 5),
+ ENET0_TX_EN = PINID(4, 6),
+ ENET0_TXD0 = PINID(4, 7),
+ ENET0_TXD1 = PINID(4, 8),
+ ENET0_RXD2 = PINID(4, 9),
+ ENET0_RXD3 = PINID(4, 10),
+ ENET0_TXD2 = PINID(4, 11),
+ ENET0_TXD3 = PINID(4, 12),
+ ENET0_RX_CLK = PINID(4, 13),
+ ENET0_COL = PINID(4, 14),
+ ENET0_CRS = PINID(4, 15),
+ ENET_CLK = PINID(4, 16),
+ JTAG_RTCK = PINID(4, 20),
+ EMI_D00 = PINID(5, 0),
+ EMI_D01 = PINID(5, 1),
+ EMI_D02 = PINID(5, 2),
+ EMI_D03 = PINID(5, 3),
+ EMI_D04 = PINID(5, 4),
+ EMI_D05 = PINID(5, 5),
+ EMI_D06 = PINID(5, 6),
+ EMI_D07 = PINID(5, 7),
+ EMI_D08 = PINID(5, 8),
+ EMI_D09 = PINID(5, 9),
+ EMI_D10 = PINID(5, 10),
+ EMI_D11 = PINID(5, 11),
+ EMI_D12 = PINID(5, 12),
+ EMI_D13 = PINID(5, 13),
+ EMI_D14 = PINID(5, 14),
+ EMI_D15 = PINID(5, 15),
+ EMI_ODT0 = PINID(5, 16),
+ EMI_DQM0 = PINID(5, 17),
+ EMI_ODT1 = PINID(5, 18),
+ EMI_DQM1 = PINID(5, 19),
+ EMI_DDR_OPEN_FB = PINID(5, 20),
+ EMI_CLK = PINID(5, 21),
+ EMI_DQS0 = PINID(5, 22),
+ EMI_DQS1 = PINID(5, 23),
+ EMI_DDR_OPEN = PINID(5, 26),
+ EMI_A00 = PINID(6, 0),
+ EMI_A01 = PINID(6, 1),
+ EMI_A02 = PINID(6, 2),
+ EMI_A03 = PINID(6, 3),
+ EMI_A04 = PINID(6, 4),
+ EMI_A05 = PINID(6, 5),
+ EMI_A06 = PINID(6, 6),
+ EMI_A07 = PINID(6, 7),
+ EMI_A08 = PINID(6, 8),
+ EMI_A09 = PINID(6, 9),
+ EMI_A10 = PINID(6, 10),
+ EMI_A11 = PINID(6, 11),
+ EMI_A12 = PINID(6, 12),
+ EMI_A13 = PINID(6, 13),
+ EMI_A14 = PINID(6, 14),
+ EMI_BA0 = PINID(6, 16),
+ EMI_BA1 = PINID(6, 17),
+ EMI_BA2 = PINID(6, 18),
+ EMI_CASN = PINID(6, 19),
+ EMI_RASN = PINID(6, 20),
+ EMI_WEN = PINID(6, 21),
+ EMI_CE0N = PINID(6, 22),
+ EMI_CE1N = PINID(6, 23),
+ EMI_CKE = PINID(6, 24),
+};
+
+static const struct pinctrl_pin_desc imx28_pins[] = {
+ MXS_PINCTRL_PIN(GPMI_D00),
+ MXS_PINCTRL_PIN(GPMI_D01),
+ MXS_PINCTRL_PIN(GPMI_D02),
+ MXS_PINCTRL_PIN(GPMI_D03),
+ MXS_PINCTRL_PIN(GPMI_D04),
+ MXS_PINCTRL_PIN(GPMI_D05),
+ MXS_PINCTRL_PIN(GPMI_D06),
+ MXS_PINCTRL_PIN(GPMI_D07),
+ MXS_PINCTRL_PIN(GPMI_CE0N),
+ MXS_PINCTRL_PIN(GPMI_CE1N),
+ MXS_PINCTRL_PIN(GPMI_CE2N),
+ MXS_PINCTRL_PIN(GPMI_CE3N),
+ MXS_PINCTRL_PIN(GPMI_RDY0),
+ MXS_PINCTRL_PIN(GPMI_RDY1),
+ MXS_PINCTRL_PIN(GPMI_RDY2),
+ MXS_PINCTRL_PIN(GPMI_RDY3),
+ MXS_PINCTRL_PIN(GPMI_RDN),
+ MXS_PINCTRL_PIN(GPMI_WRN),
+ MXS_PINCTRL_PIN(GPMI_ALE),
+ MXS_PINCTRL_PIN(GPMI_CLE),
+ MXS_PINCTRL_PIN(GPMI_RESETN),
+ MXS_PINCTRL_PIN(LCD_D00),
+ MXS_PINCTRL_PIN(LCD_D01),
+ MXS_PINCTRL_PIN(LCD_D02),
+ MXS_PINCTRL_PIN(LCD_D03),
+ MXS_PINCTRL_PIN(LCD_D04),
+ MXS_PINCTRL_PIN(LCD_D05),
+ MXS_PINCTRL_PIN(LCD_D06),
+ MXS_PINCTRL_PIN(LCD_D07),
+ MXS_PINCTRL_PIN(LCD_D08),
+ MXS_PINCTRL_PIN(LCD_D09),
+ MXS_PINCTRL_PIN(LCD_D10),
+ MXS_PINCTRL_PIN(LCD_D11),
+ MXS_PINCTRL_PIN(LCD_D12),
+ MXS_PINCTRL_PIN(LCD_D13),
+ MXS_PINCTRL_PIN(LCD_D14),
+ MXS_PINCTRL_PIN(LCD_D15),
+ MXS_PINCTRL_PIN(LCD_D16),
+ MXS_PINCTRL_PIN(LCD_D17),
+ MXS_PINCTRL_PIN(LCD_D18),
+ MXS_PINCTRL_PIN(LCD_D19),
+ MXS_PINCTRL_PIN(LCD_D20),
+ MXS_PINCTRL_PIN(LCD_D21),
+ MXS_PINCTRL_PIN(LCD_D22),
+ MXS_PINCTRL_PIN(LCD_D23),
+ MXS_PINCTRL_PIN(LCD_RD_E),
+ MXS_PINCTRL_PIN(LCD_WR_RWN),
+ MXS_PINCTRL_PIN(LCD_RS),
+ MXS_PINCTRL_PIN(LCD_CS),
+ MXS_PINCTRL_PIN(LCD_VSYNC),
+ MXS_PINCTRL_PIN(LCD_HSYNC),
+ MXS_PINCTRL_PIN(LCD_DOTCLK),
+ MXS_PINCTRL_PIN(LCD_ENABLE),
+ MXS_PINCTRL_PIN(SSP0_DATA0),
+ MXS_PINCTRL_PIN(SSP0_DATA1),
+ MXS_PINCTRL_PIN(SSP0_DATA2),
+ MXS_PINCTRL_PIN(SSP0_DATA3),
+ MXS_PINCTRL_PIN(SSP0_DATA4),
+ MXS_PINCTRL_PIN(SSP0_DATA5),
+ MXS_PINCTRL_PIN(SSP0_DATA6),
+ MXS_PINCTRL_PIN(SSP0_DATA7),
+ MXS_PINCTRL_PIN(SSP0_CMD),
+ MXS_PINCTRL_PIN(SSP0_DETECT),
+ MXS_PINCTRL_PIN(SSP0_SCK),
+ MXS_PINCTRL_PIN(SSP1_SCK),
+ MXS_PINCTRL_PIN(SSP1_CMD),
+ MXS_PINCTRL_PIN(SSP1_DATA0),
+ MXS_PINCTRL_PIN(SSP1_DATA3),
+ MXS_PINCTRL_PIN(SSP2_SCK),
+ MXS_PINCTRL_PIN(SSP2_MOSI),
+ MXS_PINCTRL_PIN(SSP2_MISO),
+ MXS_PINCTRL_PIN(SSP2_SS0),
+ MXS_PINCTRL_PIN(SSP2_SS1),
+ MXS_PINCTRL_PIN(SSP2_SS2),
+ MXS_PINCTRL_PIN(SSP3_SCK),
+ MXS_PINCTRL_PIN(SSP3_MOSI),
+ MXS_PINCTRL_PIN(SSP3_MISO),
+ MXS_PINCTRL_PIN(SSP3_SS0),
+ MXS_PINCTRL_PIN(AUART0_RX),
+ MXS_PINCTRL_PIN(AUART0_TX),
+ MXS_PINCTRL_PIN(AUART0_CTS),
+ MXS_PINCTRL_PIN(AUART0_RTS),
+ MXS_PINCTRL_PIN(AUART1_RX),
+ MXS_PINCTRL_PIN(AUART1_TX),
+ MXS_PINCTRL_PIN(AUART1_CTS),
+ MXS_PINCTRL_PIN(AUART1_RTS),
+ MXS_PINCTRL_PIN(AUART2_RX),
+ MXS_PINCTRL_PIN(AUART2_TX),
+ MXS_PINCTRL_PIN(AUART2_CTS),
+ MXS_PINCTRL_PIN(AUART2_RTS),
+ MXS_PINCTRL_PIN(AUART3_RX),
+ MXS_PINCTRL_PIN(AUART3_TX),
+ MXS_PINCTRL_PIN(AUART3_CTS),
+ MXS_PINCTRL_PIN(AUART3_RTS),
+ MXS_PINCTRL_PIN(PWM0),
+ MXS_PINCTRL_PIN(PWM1),
+ MXS_PINCTRL_PIN(PWM2),
+ MXS_PINCTRL_PIN(SAIF0_MCLK),
+ MXS_PINCTRL_PIN(SAIF0_LRCLK),
+ MXS_PINCTRL_PIN(SAIF0_BITCLK),
+ MXS_PINCTRL_PIN(SAIF0_SDATA0),
+ MXS_PINCTRL_PIN(I2C0_SCL),
+ MXS_PINCTRL_PIN(I2C0_SDA),
+ MXS_PINCTRL_PIN(SAIF1_SDATA0),
+ MXS_PINCTRL_PIN(SPDIF),
+ MXS_PINCTRL_PIN(PWM3),
+ MXS_PINCTRL_PIN(PWM4),
+ MXS_PINCTRL_PIN(LCD_RESET),
+ MXS_PINCTRL_PIN(ENET0_MDC),
+ MXS_PINCTRL_PIN(ENET0_MDIO),
+ MXS_PINCTRL_PIN(ENET0_RX_EN),
+ MXS_PINCTRL_PIN(ENET0_RXD0),
+ MXS_PINCTRL_PIN(ENET0_RXD1),
+ MXS_PINCTRL_PIN(ENET0_TX_CLK),
+ MXS_PINCTRL_PIN(ENET0_TX_EN),
+ MXS_PINCTRL_PIN(ENET0_TXD0),
+ MXS_PINCTRL_PIN(ENET0_TXD1),
+ MXS_PINCTRL_PIN(ENET0_RXD2),
+ MXS_PINCTRL_PIN(ENET0_RXD3),
+ MXS_PINCTRL_PIN(ENET0_TXD2),
+ MXS_PINCTRL_PIN(ENET0_TXD3),
+ MXS_PINCTRL_PIN(ENET0_RX_CLK),
+ MXS_PINCTRL_PIN(ENET0_COL),
+ MXS_PINCTRL_PIN(ENET0_CRS),
+ MXS_PINCTRL_PIN(ENET_CLK),
+ MXS_PINCTRL_PIN(JTAG_RTCK),
+ MXS_PINCTRL_PIN(EMI_D00),
+ MXS_PINCTRL_PIN(EMI_D01),
+ MXS_PINCTRL_PIN(EMI_D02),
+ MXS_PINCTRL_PIN(EMI_D03),
+ MXS_PINCTRL_PIN(EMI_D04),
+ MXS_PINCTRL_PIN(EMI_D05),
+ MXS_PINCTRL_PIN(EMI_D06),
+ MXS_PINCTRL_PIN(EMI_D07),
+ MXS_PINCTRL_PIN(EMI_D08),
+ MXS_PINCTRL_PIN(EMI_D09),
+ MXS_PINCTRL_PIN(EMI_D10),
+ MXS_PINCTRL_PIN(EMI_D11),
+ MXS_PINCTRL_PIN(EMI_D12),
+ MXS_PINCTRL_PIN(EMI_D13),
+ MXS_PINCTRL_PIN(EMI_D14),
+ MXS_PINCTRL_PIN(EMI_D15),
+ MXS_PINCTRL_PIN(EMI_ODT0),
+ MXS_PINCTRL_PIN(EMI_DQM0),
+ MXS_PINCTRL_PIN(EMI_ODT1),
+ MXS_PINCTRL_PIN(EMI_DQM1),
+ MXS_PINCTRL_PIN(EMI_DDR_OPEN_FB),
+ MXS_PINCTRL_PIN(EMI_CLK),
+ MXS_PINCTRL_PIN(EMI_DQS0),
+ MXS_PINCTRL_PIN(EMI_DQS1),
+ MXS_PINCTRL_PIN(EMI_DDR_OPEN),
+ MXS_PINCTRL_PIN(EMI_A00),
+ MXS_PINCTRL_PIN(EMI_A01),
+ MXS_PINCTRL_PIN(EMI_A02),
+ MXS_PINCTRL_PIN(EMI_A03),
+ MXS_PINCTRL_PIN(EMI_A04),
+ MXS_PINCTRL_PIN(EMI_A05),
+ MXS_PINCTRL_PIN(EMI_A06),
+ MXS_PINCTRL_PIN(EMI_A07),
+ MXS_PINCTRL_PIN(EMI_A08),
+ MXS_PINCTRL_PIN(EMI_A09),
+ MXS_PINCTRL_PIN(EMI_A10),
+ MXS_PINCTRL_PIN(EMI_A11),
+ MXS_PINCTRL_PIN(EMI_A12),
+ MXS_PINCTRL_PIN(EMI_A13),
+ MXS_PINCTRL_PIN(EMI_A14),
+ MXS_PINCTRL_PIN(EMI_BA0),
+ MXS_PINCTRL_PIN(EMI_BA1),
+ MXS_PINCTRL_PIN(EMI_BA2),
+ MXS_PINCTRL_PIN(EMI_CASN),
+ MXS_PINCTRL_PIN(EMI_RASN),
+ MXS_PINCTRL_PIN(EMI_WEN),
+ MXS_PINCTRL_PIN(EMI_CE0N),
+ MXS_PINCTRL_PIN(EMI_CE1N),
+ MXS_PINCTRL_PIN(EMI_CKE),
+};
+
+static struct mxs_regs imx28_regs = {
+ .muxsel = 0x100,
+ .drive = 0x300,
+ .pull = 0x600,
+};
+
+static struct mxs_pinctrl_soc_data imx28_pinctrl_data = {
+ .regs = &imx28_regs,
+ .pins = imx28_pins,
+ .npins = ARRAY_SIZE(imx28_pins),
+};
+
+static int __devinit imx28_pinctrl_probe(struct platform_device *pdev)
+{
+ return mxs_pinctrl_probe(pdev, &imx28_pinctrl_data);
+}
+
+static struct of_device_id imx28_pinctrl_of_match[] __devinitdata = {
+ { .compatible = "fsl,imx28-pinctrl", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx28_pinctrl_of_match);
+
+static struct platform_driver imx28_pinctrl_driver = {
+ .driver = {
+ .name = "imx28-pinctrl",
+ .owner = THIS_MODULE,
+ .of_match_table = imx28_pinctrl_of_match,
+ },
+ .probe = imx28_pinctrl_probe,
+ .remove = __devexit_p(mxs_pinctrl_remove),
+};
+
+static int __init imx28_pinctrl_init(void)
+{
+ return platform_driver_register(&imx28_pinctrl_driver);
+}
+arch_initcall(imx28_pinctrl_init);
+
+static void __exit imx28_pinctrl_exit(void)
+{
+ platform_driver_unregister(&imx28_pinctrl_driver);
+}
+module_exit(imx28_pinctrl_exit);
+
+MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
+MODULE_DESCRIPTION("Freescale i.MX28 pinctrl driver");
+MODULE_LICENSE("GPL v2");