diff mbox series

[8/9] phy: qcom: uniphy: Add ipq5332 USB UNIPHY support

Message ID 20230829135818.2219438-9-quic_ipkumar@quicinc.com
State New
Headers show
Series Enable USB3 for IPQ5332 | expand

Commit Message

Praveenkumar I Aug. 29, 2023, 1:58 p.m. UTC
This patch adds ipq5332 USB SS UNIPHY support.

Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
---
This patch depends on the below series which adds support for USB2 in
IPQ5332
https://lore.kernel.org/all/cover.1692699472.git.quic_varada@quicinc.com/

 drivers/phy/qualcomm/phy-qcom-uniphy.c | 37 ++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

Comments

Dmitry Baryshkov Aug. 31, 2023, 12:21 p.m. UTC | #1
On Thu, 31 Aug 2023 at 15:13, Praveenkumar I <quic_ipkumar@quicinc.com> wrote:
>
>
> On 8/29/2023 8:15 PM, Dmitry Baryshkov wrote:
>
> On Tue, 29 Aug 2023 at 17:00, Praveenkumar I <quic_ipkumar@quicinc.com> wrote:
>
> This patch adds ipq5332 USB SS UNIPHY support.
>
> First, please read to Documentation/process/submitting-patches.rst,
> then rewrite the commit message.
>
> Next, I tend to say that this driver doesn't have a lot in common with
> the ipq4019 driver you have modified. Please consider adding new
> driver for ipq5332, then we can see whether it makes sense to fold
> ipq4019 to use new infrastructure.
>
> Sure, will add new driver for IPQ5332 USB3 PHY. Thanks a lot for the review.

No HTML mail please. Ever. And use proper quotation. Thank you.

>
> --
> Thanks,
> Praveenkumar
>
> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> ---
> This patch depends on the below series which adds support for USB2 in
> IPQ5332
> https://lore.kernel.org/all/cover.1692699472.git.quic_varada@quicinc.com/
>
>  drivers/phy/qualcomm/phy-qcom-uniphy.c | 37 ++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-uniphy.c b/drivers/phy/qualcomm/phy-qcom-uniphy.c
> index eb71588f5417..91487e68bb6e 100644
> --- a/drivers/phy/qualcomm/phy-qcom-uniphy.c
> +++ b/drivers/phy/qualcomm/phy-qcom-uniphy.c
> @@ -26,6 +26,10 @@
>  #include <linux/regulator/consumer.h>
>  #include <linux/reset.h>
>
> +#define PCIE_USB_COMBO_PHY_CFG_MISC1           0x214
> +#define PCIE_USB_COMBO_PHY_CFG_RX_AFE_2                0x7C4
> +#define PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2  0x7E8
> +
>  struct uniphy_init_tbl {
>         unsigned int offset;
>         unsigned int val;
> @@ -37,6 +41,12 @@ struct uniphy_init_tbl {
>                 .val = v,               \
>         }
>
> +static const struct uniphy_init_tbl ipq5332_usb_ssphy_init_tbl[] = {
> +       UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_AFE_2, 0x1076),
> +       UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2, 0x3142),
> +       UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_MISC1, 0x3),
> +};
> +
>  struct uniphy_cfg {
>         const struct uniphy_init_tbl *init_seq;
>         int num_init_seq;
> @@ -83,6 +93,32 @@ static const struct uniphy_cfg ipq4019_usb_hsphy_cfg = {
>         .reset_udelay   = 10000,
>  };
>
> +static const char * const ipq5332_usb_ssphy_clk_l[] = {
> +       "phy_ahb", "phy_cfg_ahb", "pipe",
> +};
> +
> +static const char * const ipq5332_usb_ssphy_reset_l[] = {
> +       "por_rst",
> +};
> +
> +static const char * const ipq5332_usb_ssphy_vreg_l[] = {
> +       "vdda-phy",
> +};
> +
> +static const struct uniphy_cfg ipq5332_usb_ssphy_cfg = {
> +       .init_seq       = ipq5332_usb_ssphy_init_tbl,
> +       .num_init_seq   = ARRAY_SIZE(ipq5332_usb_ssphy_init_tbl),
> +       .clk_list       = ipq5332_usb_ssphy_clk_l,
> +       .num_clks       = ARRAY_SIZE(ipq5332_usb_ssphy_clk_l),
> +       .reset_list     = ipq5332_usb_ssphy_reset_l,
> +       .num_resets     = ARRAY_SIZE(ipq5332_usb_ssphy_reset_l),
> +       .vreg_list      = ipq5332_usb_ssphy_vreg_l,
> +       .num_vregs      = ARRAY_SIZE(ipq5332_usb_ssphy_vreg_l),
> +       .pipe_clk_rate  = 250000000,
> +       .reset_udelay   = 1,
> +       .autoload_udelay = 35,
> +};
> +
>  static int phy_mux_sel(struct phy *phy)
>  {
>         struct qcom_uniphy *uniphy = phy_get_drvdata(phy);
> @@ -396,6 +432,7 @@ static int qcom_uniphy_probe(struct platform_device *pdev)
>  static const struct of_device_id qcom_uniphy_of_match[] = {
>         { .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hsphy_cfg},
>         { .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ssphy_cfg},
> +       { .compatible = "qcom,ipq5332-usb-ssphy", .data = &ipq5332_usb_ssphy_cfg},
>         { },
>  };
>  MODULE_DEVICE_TABLE(of, qcom_uniphy_of_match);
> --
> 2.34.1
>
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-uniphy.c b/drivers/phy/qualcomm/phy-qcom-uniphy.c
index eb71588f5417..91487e68bb6e 100644
--- a/drivers/phy/qualcomm/phy-qcom-uniphy.c
+++ b/drivers/phy/qualcomm/phy-qcom-uniphy.c
@@ -26,6 +26,10 @@ 
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
 
+#define PCIE_USB_COMBO_PHY_CFG_MISC1		0x214
+#define PCIE_USB_COMBO_PHY_CFG_RX_AFE_2		0x7C4
+#define PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2	0x7E8
+
 struct uniphy_init_tbl {
 	unsigned int offset;
 	unsigned int val;
@@ -37,6 +41,12 @@  struct uniphy_init_tbl {
 		.val = v,		\
 	}
 
+static const struct uniphy_init_tbl ipq5332_usb_ssphy_init_tbl[] = {
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_AFE_2, 0x1076),
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_RX_DLF_DEMUX_2, 0x3142),
+	UNIPHY_INIT_CFG(PCIE_USB_COMBO_PHY_CFG_MISC1, 0x3),
+};
+
 struct uniphy_cfg {
 	const struct uniphy_init_tbl *init_seq;
 	int num_init_seq;
@@ -83,6 +93,32 @@  static const struct uniphy_cfg ipq4019_usb_hsphy_cfg = {
 	.reset_udelay	= 10000,
 };
 
+static const char * const ipq5332_usb_ssphy_clk_l[] = {
+	"phy_ahb", "phy_cfg_ahb", "pipe",
+};
+
+static const char * const ipq5332_usb_ssphy_reset_l[] = {
+	"por_rst",
+};
+
+static const char * const ipq5332_usb_ssphy_vreg_l[] = {
+	"vdda-phy",
+};
+
+static const struct uniphy_cfg ipq5332_usb_ssphy_cfg = {
+	.init_seq	= ipq5332_usb_ssphy_init_tbl,
+	.num_init_seq	= ARRAY_SIZE(ipq5332_usb_ssphy_init_tbl),
+	.clk_list	= ipq5332_usb_ssphy_clk_l,
+	.num_clks	= ARRAY_SIZE(ipq5332_usb_ssphy_clk_l),
+	.reset_list	= ipq5332_usb_ssphy_reset_l,
+	.num_resets	= ARRAY_SIZE(ipq5332_usb_ssphy_reset_l),
+	.vreg_list	= ipq5332_usb_ssphy_vreg_l,
+	.num_vregs	= ARRAY_SIZE(ipq5332_usb_ssphy_vreg_l),
+	.pipe_clk_rate	= 250000000,
+	.reset_udelay	= 1,
+	.autoload_udelay = 35,
+};
+
 static int phy_mux_sel(struct phy *phy)
 {
 	struct qcom_uniphy *uniphy = phy_get_drvdata(phy);
@@ -396,6 +432,7 @@  static int qcom_uniphy_probe(struct platform_device *pdev)
 static const struct of_device_id qcom_uniphy_of_match[] = {
 	{ .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hsphy_cfg},
 	{ .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ssphy_cfg},
+	{ .compatible = "qcom,ipq5332-usb-ssphy", .data = &ipq5332_usb_ssphy_cfg},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, qcom_uniphy_of_match);