[PATCH v1 5/7] soc: imx: gpcv2: add HSIOMIX and USB domains for i.MX8MM

[Adrien Grassein]

Add description for 3 domains of the i.MX8MM:
  - HSIO
  - USB OTG 1
  - USB OTG 2

Signed-off-by: Adrien Grassein <adrien.grass...@gmail.com>
---
 drivers/soc/imx/gpcv2.c | 69 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index d97a53502753..571d0381dd87 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -17,6 +17,8 @@
 #include <linux/sizes.h>
 #include <dt-bindings/power/imx7-power.h>
 #include <dt-bindings/power/imx8mq-power.h>
+#include <dt-bindings/power/imx8mm-power.h>
+
 
 #define GPC_LPCR_A_CORE_BSC                    0x000
 
@@ -42,6 +44,9 @@
 #define IMX8M_PCIE1_A53_DOMAIN                 BIT(3)
 #define IMX8M_MIPI_A53_DOMAIN                  BIT(2)
 
+#define IMX8MM_OTG2_A53_DOMAIN                 BIT(5)
+#define IMX8MM_OTG1_A53_DOMAIN                 BIT(4)
+
 #define GPC_PU_PGC_SW_PUP_REQ          0x0f8
 #define GPC_PU_PGC_SW_PDN_REQ          0x104
 
@@ -65,6 +70,9 @@
 #define IMX8M_PCIE1_SW_Pxx_REQ                 BIT(1)
 #define IMX8M_MIPI_SW_Pxx_REQ                  BIT(0)
 
+#define IMX8MM_OTG1_SW_Pxx_REQ                 BIT(2)
+#define IMX8MM_OTG2_SW_Pxx_REQ                 BIT(3)
+
 #define GPC_M4_PU_PDN_FLG              0x1bc
 
 #define GPC_PU_PWRHSK                  0x1fc
@@ -76,6 +84,9 @@
 #define IMX8M_DISP_HSK_PWRDNREQN               BIT(4)
 #define IMX8M_DISP_HSK_PWRDNACKN               BIT(24)
 
+#define IMX8MM_HSIO_HSK_PWRDNREQN              (BIT(5) | BIT(6))
+#define IMX8MM_HSIO_HSK_PWRDNACKN              (BIT(23) | BIT(24))
+
 /*
  * The PGC offset values in Reference Manual
  * (Rev. 1, 01/2018 and the older ones) GPC chapter's
@@ -98,6 +109,9 @@
 #define IMX8M_PGC_MIPI_CSI2            28
 #define IMX8M_PGC_PCIE2                        29
 
+#define IMX8MM_PGC_OTG1                        18
+#define IMX8MM_PGC_OTG2                        19
+
 #define GPC_PGC_CTRL(n)                        (0x800 + (n) * 0x40)
 #define GPC_PGC_SR(n)                  (GPC_PGC_CTRL(n) + 0xc)
 
@@ -572,6 +586,60 @@ static const struct imx_pgc_domain_data 
imx8m_pgc_domain_data = {
        .reg_access_table = &imx8m_access_table,
 };
 
+static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
+       [IMX8MM_POWER_DOMAIN_HSIOMIX] = {
+               .genpd = {
+                       .name = "hsiomix",
+               },
+               .bits  = {
+                       .hsk_req = IMX8MM_HSIO_HSK_PWRDNREQN,
+                       .hsk_ack = IMX8MM_HSIO_HSK_PWRDNACKN,
+               },
+       },
+
+       [IMX8MM_POWER_DOMAIN_USB_OTG1] = {
+               .genpd      = {
+                       .name = "usb-otg1",
+               },
+               .bits       = {
+                       .pxx = IMX8MM_OTG1_SW_Pxx_REQ,
+                       .map = IMX8MM_OTG1_A53_DOMAIN,
+               },
+               .pgc        = IMX8MM_PGC_OTG1,
+       },
+
+       [IMX8MM_POWER_DOMAIN_USB_OTG2] = {
+               .genpd      = {
+                       .name = "usb-otg2",
+               },
+               .bits       =  {
+                       .pxx = IMX8MM_OTG2_SW_Pxx_REQ,
+                       .map = IMX8MM_OTG2_A53_DOMAIN,
+               },
+               .pgc        = IMX8MM_PGC_OTG2,
+       },
+};
+
+static const struct regmap_range imx8mm_yes_ranges[] = {
+               regmap_reg_range(GPC_LPCR_A_CORE_BSC,
+                                GPC_PU_PWRHSK),
+               regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG1),
+                                GPC_PGC_SR(IMX8MM_PGC_OTG1)),
+               regmap_reg_range(GPC_PGC_CTRL(IMX8MM_PGC_OTG2),
+                                GPC_PGC_SR(IMX8MM_PGC_OTG2)),
+};
+
+static const struct regmap_access_table imx8mm_access_table = {
+       .yes_ranges     = imx8mm_yes_ranges,
+       .n_yes_ranges   = ARRAY_SIZE(imx8mm_yes_ranges),
+};
+
+static const struct imx_pgc_domain_data imx8mm_pgc_domain_data = {
+       .domains = imx8mm_pgc_domains,
+       .domains_num = ARRAY_SIZE(imx8mm_pgc_domains),
+       .reg_access_table = &imx8mm_access_table,
+};
+
 static int imx_pgc_get_clocks(struct imx_pgc_domain *domain)
 {
        int i, ret;
@@ -766,6 +834,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 static const struct of_device_id imx_gpcv2_dt_ids[] = {
        { .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, },
        { .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, },
+       { .compatible = "fsl,imx8mm-gpc", .data = &imx8mm_pgc_domain_data, },
        { }
 };
 
-- 
2.25.1