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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-pxa/gumstix.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa/gumstix.h')
-rw-r--r--arch/arm/mach-pxa/gumstix.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/gumstix.h b/arch/arm/mach-pxa/gumstix.h
new file mode 100644
index 000000000..9005b3c0a
--- /dev/null
+++ b/arch/arm/mach-pxa/gumstix.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/mach-pxa/include/mach/gumstix.h
+ */
+
+#include "irqs.h" /* PXA_GPIO_TO_IRQ */
+
+/* BTRESET - Reset line to Bluetooth module, active low signal. */
+#define GPIO_GUMSTIX_BTRESET 7
+#define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
+
+
+/*
+GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
+interrupt signal for determining cable presence. On the gumstix F,
+this moves to GPIO17 and GPIO37. */
+
+/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
+has detected a cable insertion; driven low otherwise. */
+
+#define GPIO_GUMSTIX_USB_GPIOn 35
+#define GPIO_GUMSTIX_USB_GPIOx 41
+
+/* usb state change */
+#define GUMSTIX_USB_INTR_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_USB_GPIOn)
+
+#define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
+#define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
+#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
+
+/*
+ * SD/MMC definitions
+ */
+#define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */
+#define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */
+#define GUMSTIX_IRQ_GPIO_nSD_DETECT PXA_GPIO_TO_IRQ(GUMSTIX_GPIO_nSD_DETECT)
+
+/*
+ * SMC Ethernet definitions
+ * ETH_RST provides a hardware reset line to the ethernet chip
+ * ETH is the IRQ line in from the ethernet chip to the PXA
+ */
+#define GPIO_GUMSTIX_ETH0_RST 80
+#define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
+#define GPIO_GUMSTIX_ETH1_RST 52
+#define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
+
+#define GPIO_GUMSTIX_ETH0 36
+#define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN)
+#define GUMSTIX_ETH0_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH0)
+#define GPIO_GUMSTIX_ETH1 27
+#define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN)
+#define GUMSTIX_ETH1_IRQ PXA_GPIO_TO_IRQ(GPIO_GUMSTIX_ETH1)
+
+
+/* CF reset line */
+#define GPIO8_RESET 8
+
+/* CF slot 0 */
+#define GPIO4_nBVD1 4
+#define GPIO4_nSTSCHG GPIO4_nBVD1
+#define GPIO11_nCD 11
+#define GPIO26_PRDY_nBSY 26
+#define GUMSTIX_S0_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO4_nSTSCHG)
+#define GUMSTIX_S0_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO11_nCD)
+#define GUMSTIX_S0_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO26_PRDY_nBSY)
+
+/* CF slot 1 */
+#define GPIO18_nBVD1 18
+#define GPIO18_nSTSCHG GPIO18_nBVD1
+#define GPIO36_nCD 36
+#define GPIO27_PRDY_nBSY 27
+#define GUMSTIX_S1_nSTSCHG_IRQ PXA_GPIO_TO_IRQ(GPIO18_nSTSCHG)
+#define GUMSTIX_S1_nCD_IRQ PXA_GPIO_TO_IRQ(GPIO36_nCD)
+#define GUMSTIX_S1_PRDY_nBSY_IRQ PXA_GPIO_TO_IRQ(GPIO27_PRDY_nBSY)
+
+/* CF GPIO line modes */
+#define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN)
+#define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT)
+#define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN)
+#define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN)
+#define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN)
+#define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN)
+#define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN)
+
+/* for expansion boards that can't be programatically detected */
+extern int am200_init(void);
+extern int am300_init(void);
+