^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * DA8xx USB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/dma-mapping.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/mfd/da8xx-cfgchip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mfd/syscon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/phy/phy.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/platform_data/clk-da8xx-cfgchip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_data/phy-da8xx-usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/platform_data/usb-davinci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/usb/musb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <mach/common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <mach/cputype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <mach/da8xx.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "irqs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define DA8XX_USB0_BASE 0x01e00000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define DA8XX_USB1_BASE 0x01e25000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #ifndef CONFIG_COMMON_CLK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static struct clk *usb20_clk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static struct da8xx_usb_phy_platform_data da8xx_usb_phy_pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) static struct platform_device da8xx_usb_phy = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .name = "da8xx-usb-phy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * Setting init_name so that clock lookup will work in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * da8xx_register_usb11_phy_clk() even if this device is not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * registered yet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .init_name = "da8xx-usb-phy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .platform_data = &da8xx_usb_phy_pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) },
^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) int __init da8xx_register_usb_phy(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) da8xx_usb_phy_pdata.cfgchip = da8xx_get_cfgchip();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return platform_device_register(&da8xx_usb_phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static struct musb_hdrc_config musb_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .multipoint = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .num_eps = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .ram_bits = 10,
^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) static struct musb_hdrc_platform_data usb_data = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* OTG requires a Mini-AB connector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .mode = MUSB_OTG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .clock = "usb20",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .config = &musb_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static struct resource da8xx_usb20_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .start = DA8XX_USB0_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .end = DA8XX_USB0_BASE + SZ_64K - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .start = DAVINCI_INTC_IRQ(IRQ_DA8XX_USB_INT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) .name = "mc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static u64 usb_dmamask = DMA_BIT_MASK(32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static struct platform_device da8xx_usb20_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) .name = "musb-da8xx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) .platform_data = &usb_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .dma_mask = &usb_dmamask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .coherent_dma_mask = DMA_BIT_MASK(32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .resource = da8xx_usb20_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .num_resources = ARRAY_SIZE(da8xx_usb20_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) usb_data.power = mA > 510 ? 255 : mA / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) usb_data.potpgt = (potpgt + 1) / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return platform_device_register(&da8xx_usb20_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static struct resource da8xx_usb11_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .start = DA8XX_USB1_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .end = DA8XX_USB1_BASE + SZ_4K - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) [1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .start = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .end = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static struct platform_device da8xx_usb11_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .name = "ohci-da8xx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .dma_mask = &da8xx_usb11_dma_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .coherent_dma_mask = DMA_BIT_MASK(32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .num_resources = ARRAY_SIZE(da8xx_usb11_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .resource = da8xx_usb11_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) da8xx_usb11_device.dev.platform_data = pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) return platform_device_register(&da8xx_usb11_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static struct platform_device da8xx_usb_phy_clks_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .name = "da830-usb-phy-clks",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int __init da8xx_register_usb_phy_clocks(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct da8xx_cfgchip_clk_platform_data pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) pdata.cfgchip = da8xx_get_cfgchip();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) da8xx_usb_phy_clks_device.dev.platform_data = &pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return platform_device_register(&da8xx_usb_phy_clks_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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