mfd: omap-usb-tll: Add OMAP5 revision and HSIC support
The TLL module on OMAP5 has 3 channels. HSIC mode requires the TLL channel to be in Transparent UTMI mode. Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Felipe Balbi <balbi@ti.com>
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@ -54,10 +54,13 @@
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#define OMAP_TLL_CHANNEL_CONF(num) (0x040 + 0x004 * num)
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#define OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT 24
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#define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16)
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#define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15)
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#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11)
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#define OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE (1 << 10)
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#define OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE (1 << 9)
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#define OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE (1 << 8)
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#define OMAP_TLL_CHANNEL_CONF_MODE_TRANSPARENT_UTMI (2 << 1)
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#define OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS (1 << 1)
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#define OMAP_TLL_CHANNEL_CONF_CHANEN (1 << 0)
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@ -92,6 +95,7 @@
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#define OMAP_USBTLL_REV1 0x00000015 /* OMAP3 */
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#define OMAP_USBTLL_REV2 0x00000018 /* OMAP 3630 */
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#define OMAP_USBTLL_REV3 0x00000004 /* OMAP4 */
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#define OMAP_USBTLL_REV4 0x00000006 /* OMAP5 */
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#define is_ehci_tll_mode(x) (x == OMAP_EHCI_PORT_MODE_TLL)
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@ -245,6 +249,7 @@ static int usbtll_omap_probe(struct platform_device *pdev)
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ver = usbtll_read(base, OMAP_USBTLL_REVISION);
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switch (ver) {
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case OMAP_USBTLL_REV1:
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case OMAP_USBTLL_REV4:
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tll->nch = OMAP_TLL_CHANNEL_COUNT;
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break;
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case OMAP_USBTLL_REV2:
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@ -310,6 +315,15 @@ static int usbtll_omap_probe(struct platform_device *pdev)
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reg &= ~(OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE
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| OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF
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| OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE);
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} else if (pdata->port_mode[i] ==
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OMAP_EHCI_PORT_MODE_HSIC) {
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/*
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* HSIC Mode requires UTMI port configurations
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*/
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reg |= OMAP_TLL_CHANNEL_CONF_DRVVBUS
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| OMAP_TLL_CHANNEL_CONF_CHRGVBUS
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| OMAP_TLL_CHANNEL_CONF_MODE_TRANSPARENT_UTMI
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| OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF;
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} else {
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continue;
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}
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