^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * NEC VR4100 series GIU platform device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/smp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/cpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/vr41xx/giu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <asm/vr41xx/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static struct resource giu_50pins_pullupdown_resource[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) .start = 0x0b000100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) .end = 0x0b00011f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .start = 0x0b0002e0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) .end = 0x0b0002e3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .start = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .end = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static struct resource giu_36pins_resource[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .start = 0x0f000140,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .end = 0x0f00015f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .start = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .end = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static struct resource giu_48pins_resource[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .start = 0x0f000140,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .end = 0x0f000167,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .start = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .end = GIUINT_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static int __init vr41xx_giu_add(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) unsigned int num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) pdev = platform_device_alloc("GIU", -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) switch (current_cpu_type()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) case CPU_VR4111:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) case CPU_VR4121:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) pdev->id = GPIO_50PINS_PULLUPDOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) res = giu_50pins_pullupdown_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) num = ARRAY_SIZE(giu_50pins_pullupdown_resource);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) case CPU_VR4122:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) case CPU_VR4131:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) pdev->id = GPIO_36PINS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) res = giu_36pins_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) num = ARRAY_SIZE(giu_36pins_resource);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) case CPU_VR4133:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) pdev->id = GPIO_48PINS_EDGE_SELECT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) res = giu_48pins_resource;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) num = ARRAY_SIZE(giu_48pins_resource);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) goto err_free_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) retval = platform_device_add_resources(pdev, res, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) goto err_free_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) retval = platform_device_add(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) goto err_free_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) err_free_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) platform_device_put(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) device_initcall(vr41xx_giu_add);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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