[PATCH 3/9] phy: qcom-m31: Introduce qcom,m31 USB phy driver

Vinod Koul vkoul at kernel.org
Wed Jun 21 04:05:06 PDT 2023


On 07-06-23, 13:54, Konrad Dybcio wrote:
> 
> 
> On 7.06.2023 12:56, Varadarajan Narayanan wrote:
> > Add the M31 USB2 phy driver
> > 
> > Signed-off-by: Varadarajan Narayanan <quic_varada at quicinc.com>
> > ---
> >  drivers/phy/qualcomm/phy-qcom-m31.c | 360 ++++++++++++++++++++++++++++++++++++
> >  1 file changed, 360 insertions(+)
> >  create mode 100644 drivers/phy/qualcomm/phy-qcom-m31.c
> > 
> > diff --git a/drivers/phy/qualcomm/phy-qcom-m31.c b/drivers/phy/qualcomm/phy-qcom-m31.c
> > new file mode 100644
> > index 0000000..d29a91e
> > --- /dev/null
> > +++ b/drivers/phy/qualcomm/phy-qcom-m31.c
> > @@ -0,0 +1,360 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright (c) 2014-2016, 2020, The Linux Foundation. All rights reserved.
> > + */
> > +
> > +#include <linux/module.h>
> > +#include <linux/kernel.h>
> > +#include <linux/err.h>
> > +#include <linux/slab.h>
> > +#include <linux/clk.h>
> > +#include <linux/delay.h>
> > +#include <linux/io.h>
> > +#include <linux/of.h>
> > +#include <linux/platform_device.h>
> > +#include <linux/usb/phy.h>
> > +#include <linux/reset.h>
> > +#include <linux/of_device.h>
> Please sort these
> 
> > +
> > +enum clk_reset_action {
> > +	CLK_RESET_DEASSERT	= 0,
> > +	CLK_RESET_ASSERT	= 1
> > +};
> > +
> > +#define USB2PHY_PORT_POWERDOWN		0xA4
> > +#define POWER_UP			BIT(0)
> > +#define POWER_DOWN			0
> > +
> > +#define USB2PHY_PORT_UTMI_CTRL1	0x40
> > +
> > +#define USB2PHY_PORT_UTMI_CTRL2	0x44
> > +#define UTMI_ULPI_SEL			BIT(7)
> > +#define UTMI_TEST_MUX_SEL		BIT(6)
> > +
> > +#define HS_PHY_CTRL_REG			0x10
> > +#define UTMI_OTG_VBUS_VALID             BIT(20)
> > +#define SW_SESSVLD_SEL                  BIT(28)
> > +
> > +#define USB_PHY_CFG0			0x94
> > +#define USB_PHY_UTMI_CTRL5		0x50
> > +#define USB_PHY_FSEL_SEL		0xB8
> > +#define USB_PHY_HS_PHY_CTRL_COMMON0	0x54
> > +#define USB_PHY_REFCLK_CTRL		0xA0
> > +#define USB_PHY_HS_PHY_CTRL2		0x64
> > +#define USB_PHY_UTMI_CTRL0		0x3c
> > +#define USB2PHY_USB_PHY_M31_XCFGI_1	0xBC
> > +#define USB2PHY_USB_PHY_M31_XCFGI_4	0xC8
> > +#define USB2PHY_USB_PHY_M31_XCFGI_5	0xCC
> > +#define USB2PHY_USB_PHY_M31_XCFGI_11	0xE4
> Could you sort them address-wise?

and lower case hex values as well please

-- 
~Vinod



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