diff options
| -rw-r--r-- | Documentation/devicetree/bindings/reset/fsl,imx7-src.txt | 6 | ||||
| -rw-r--r-- | drivers/reset/hisilicon/hi6220_reset.c | 69 | ||||
| -rw-r--r-- | drivers/reset/reset-imx7.c | 101 | ||||
| -rw-r--r-- | include/dt-bindings/reset/amlogic,meson-gxbb-reset.h | 2 | ||||
| -rw-r--r-- | include/dt-bindings/reset/imx8mp-reset.h | 50 | ||||
| -rw-r--r-- | include/dt-bindings/reset/imx8mq-reset.h | 56 |
6 files changed, 253 insertions, 31 deletions
diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt index c2489e41a801..e10502d9153e 100644 --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt @@ -9,6 +9,8 @@ Required properties: - For i.MX7 SoCs should be "fsl,imx7d-src", "syscon" - For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon" - For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src", "syscon" + - For i.MX8MN SoCs should be "fsl,imx8mn-src", "fsl,imx8mq-src", "syscon" + - For i.MX8MP SoCs should be "fsl,imx8mp-src", "syscon" - reg: should be register base and length as documented in the datasheet - interrupts: Should contain SRC interrupt @@ -49,4 +51,6 @@ Example: For list of all valid reset indices see <dt-bindings/reset/imx7-reset.h> for i.MX7, <dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ and -<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM and +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MN and +<dt-bindings/reset/imx8mp-reset.h> for i.MX8MP diff --git a/drivers/reset/hisilicon/hi6220_reset.c b/drivers/reset/hisilicon/hi6220_reset.c index 24e6d420b26b..19926506d033 100644 --- a/drivers/reset/hisilicon/hi6220_reset.c +++ b/drivers/reset/hisilicon/hi6220_reset.c @@ -33,6 +33,7 @@ enum hi6220_reset_ctrl_type { PERIPHERAL, MEDIA, + AO, }; struct hi6220_reset_data { @@ -92,6 +93,65 @@ static const struct reset_control_ops hi6220_media_reset_ops = { .deassert = hi6220_media_deassert, }; +#define AO_SCTRL_SC_PW_CLKEN0 0x800 +#define AO_SCTRL_SC_PW_CLKDIS0 0x804 + +#define AO_SCTRL_SC_PW_RSTEN0 0x810 +#define AO_SCTRL_SC_PW_RSTDIS0 0x814 + +#define AO_SCTRL_SC_PW_ISOEN0 0x820 +#define AO_SCTRL_SC_PW_ISODIS0 0x824 +#define AO_MAX_INDEX 12 + +static int hi6220_ao_assert(struct reset_controller_dev *rc_dev, + unsigned long idx) +{ + struct hi6220_reset_data *data = to_reset_data(rc_dev); + struct regmap *regmap = data->regmap; + int ret; + + ret = regmap_write(regmap, AO_SCTRL_SC_PW_RSTEN0, BIT(idx)); + if (ret) + return ret; + + ret = regmap_write(regmap, AO_SCTRL_SC_PW_ISOEN0, BIT(idx)); + if (ret) + return ret; + + ret = regmap_write(regmap, AO_SCTRL_SC_PW_CLKDIS0, BIT(idx)); + return ret; +} + +static int hi6220_ao_deassert(struct reset_controller_dev *rc_dev, + unsigned long idx) +{ + struct hi6220_reset_data *data = to_reset_data(rc_dev); + struct regmap *regmap = data->regmap; + int ret; + + /* + * It was suggested to disable isolation before enabling + * the clocks and deasserting reset, to avoid glitches. + * But this order is preserved to keep it matching the + * vendor code. + */ + ret = regmap_write(regmap, AO_SCTRL_SC_PW_RSTDIS0, BIT(idx)); + if (ret) + return ret; + + ret = regmap_write(regmap, AO_SCTRL_SC_PW_ISODIS0, BIT(idx)); + if (ret) + return ret; + + ret = regmap_write(regmap, AO_SCTRL_SC_PW_CLKEN0, BIT(idx)); + return ret; +} + +static const struct reset_control_ops hi6220_ao_reset_ops = { + .assert = hi6220_ao_assert, + .deassert = hi6220_ao_deassert, +}; + static int hi6220_reset_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -117,9 +177,12 @@ static int hi6220_reset_probe(struct platform_device *pdev) if (type == MEDIA) { data->rc_dev.ops = &hi6220_media_reset_ops; data->rc_dev.nr_resets = MEDIA_MAX_INDEX; - } else { + } else if (type == PERIPHERAL) { data->rc_dev.ops = &hi6220_peripheral_reset_ops; data->rc_dev.nr_resets = PERIPH_MAX_INDEX; + } else { + data->rc_dev.ops = &hi6220_ao_reset_ops; + data->rc_dev.nr_resets = AO_MAX_INDEX; } return reset_controller_register(&data->rc_dev); @@ -134,6 +197,10 @@ static const struct of_device_id hi6220_reset_match[] = { .compatible = "hisilicon,hi6220-mediactrl", .data = (void *)MEDIA, }, + { + .compatible = "hisilicon,hi6220-aoctrl", + .data = (void *)AO, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, hi6220_reset_match); diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c index 1443a55a0c29..d170fe663210 100644 --- a/drivers/reset/reset-imx7.c +++ b/drivers/reset/reset-imx7.c @@ -15,6 +15,7 @@ #include <linux/regmap.h> #include <dt-bindings/reset/imx7-reset.h> #include <dt-bindings/reset/imx8mq-reset.h> +#include <dt-bindings/reset/imx8mp-reset.h> struct imx7_src_signal { unsigned int offset, bit; @@ -145,6 +146,18 @@ enum imx8mq_src_registers { SRC_DDRC2_RCR = 0x1004, }; +enum imx8mp_src_registers { + SRC_SUPERMIX_RCR = 0x0018, + SRC_AUDIOMIX_RCR = 0x001c, + SRC_MLMIX_RCR = 0x0028, + SRC_GPU2D_RCR = 0x0038, + SRC_GPU3D_RCR = 0x003c, + SRC_VPU_G1_RCR = 0x0048, + SRC_VPU_G2_RCR = 0x004c, + SRC_VPUVC8KE_RCR = 0x0050, + SRC_NOC_RCR = 0x0054, +}; + static const struct imx7_src_signal imx8mq_src_signals[IMX8MQ_RESET_NUM] = { [IMX8MQ_RESET_A53_CORE_POR_RESET0] = { SRC_A53RCR0, BIT(0) }, [IMX8MQ_RESET_A53_CORE_POR_RESET1] = { SRC_A53RCR0, BIT(1) }, @@ -253,6 +266,93 @@ static const struct imx7_src_variant variant_imx8mq = { }, }; +static const struct imx7_src_signal imx8mp_src_signals[IMX8MP_RESET_NUM] = { + [IMX8MP_RESET_A53_CORE_POR_RESET0] = { SRC_A53RCR0, BIT(0) }, + [IMX8MP_RESET_A53_CORE_POR_RESET1] = { SRC_A53RCR0, BIT(1) }, + [IMX8MP_RESET_A53_CORE_POR_RESET2] = { SRC_A53RCR0, BIT(2) }, + [IMX8MP_RESET_A53_CORE_POR_RESET3] = { SRC_A53RCR0, BIT(3) }, + [IMX8MP_RESET_A53_CORE_RESET0] = { SRC_A53RCR0, BIT(4) }, + [IMX8MP_RESET_A53_CORE_RESET1] = { SRC_A53RCR0, BIT(5) }, + [IMX8MP_RESET_A53_CORE_RESET2] = { SRC_A53RCR0, BIT(6) }, + [IMX8MP_RESET_A53_CORE_RESET3] = { SRC_A53RCR0, BIT(7) }, + [IMX8MP_RESET_A53_DBG_RESET0] = { SRC_A53RCR0, BIT(8) }, + [IMX8MP_RESET_A53_DBG_RESET1] = { SRC_A53RCR0, BIT(9) }, + [IMX8MP_RESET_A53_DBG_RESET2] = { SRC_A53RCR0, BIT(10) }, + [IMX8MP_RESET_A53_DBG_RESET3] = { SRC_A53RCR0, BIT(11) }, + [IMX8MP_RESET_A53_ETM_RESET0] = { SRC_A53RCR0, BIT(12) }, + [IMX8MP_RESET_A53_ETM_RESET1] = { SRC_A53RCR0, BIT(13) }, + [IMX8MP_RESET_A53_ETM_RESET2] = { SRC_A53RCR0, BIT(14) }, + [IMX8MP_RESET_A53_ETM_RESET3] = { SRC_A53RCR0, BIT(15) }, + [IMX8MP_RESET_A53_SOC_DBG_RESET] = { SRC_A53RCR0, BIT(20) }, + [IMX8MP_RESET_A53_L2RESET] = { SRC_A53RCR0, BIT(21) }, + [IMX8MP_RESET_SW_NON_SCLR_M7C_RST] = { SRC_M4RCR, BIT(0) }, + [IMX8MP_RESET_OTG1_PHY_RESET] = { SRC_USBOPHY1_RCR, BIT(0) }, + [IMX8MP_RESET_OTG2_PHY_RESET] = { SRC_USBOPHY2_RCR, BIT(0) }, + [IMX8MP_RESET_SUPERMIX_RESET] = { SRC_SUPERMIX_RCR, BIT(0) }, + [IMX8MP_RESET_AUDIOMIX_RESET] = { SRC_AUDIOMIX_RCR, BIT(0) }, + [IMX8MP_RESET_MLMIX_RESET] = { SRC_MLMIX_RCR, BIT(0) }, + [IMX8MP_RESET_PCIEPHY] = { SRC_PCIEPHY_RCR, BIT(2) }, + [IMX8MP_RESET_PCIEPHY_PERST] = { SRC_PCIEPHY_RCR, BIT(3) }, + [IMX8MP_RESET_PCIE_CTRL_APPS_EN] = { SRC_PCIEPHY_RCR, BIT(6) }, + [IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF] = { SRC_PCIEPHY_RCR, BIT(11) }, + [IMX8MP_RESET_HDMI_PHY_APB_RESET] = { SRC_HDMI_RCR, BIT(0) }, + [IMX8MP_RESET_MEDIA_RESET] = { SRC_DISP_RCR, BIT(0) }, + [IMX8MP_RESET_GPU2D_RESET] = { SRC_GPU2D_RCR, BIT(0) }, + [IMX8MP_RESET_GPU3D_RESET] = { SRC_GPU3D_RCR, BIT(0) }, + [IMX8MP_RESET_GPU_RESET] = { SRC_GPU_RCR, BIT(0) }, + [IMX8MP_RESET_VPU_RESET] = { SRC_VPU_RCR, BIT(0) }, + [IMX8MP_RESET_VPU_G1_RESET] = { SRC_VPU_G1_RCR, BIT(0) }, + [IMX8MP_RESET_VPU_G2_RESET] = { SRC_VPU_G2_RCR, BIT(0) }, + [IMX8MP_RESET_VPUVC8KE_RESET] = { SRC_VPUVC8KE_RCR, BIT(0) }, + [IMX8MP_RESET_NOC_RESET] = { SRC_NOC_RCR, BIT(0) }, +}; + +static int imx8mp_reset_set(struct reset_controller_dev *rcdev, + unsigned long id, bool assert) +{ + struct imx7_src *imx7src = to_imx7_src(rcdev); + const unsigned int bit = imx7src->signals[id].bit; + unsigned int value = assert ? bit : 0; + + switch (id) { + case IMX8MP_RESET_PCIEPHY: + /* + * wait for more than 10us to release phy g_rst and + * btnrst + */ + if (!assert) + udelay(10); + break; + + case IMX8MP_RESET_PCIE_CTRL_APPS_EN: + value = assert ? 0 : bit; + break; + } + + return imx7_reset_update(imx7src, id, value); +} + +static int imx8mp_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return imx8mp_reset_set(rcdev, id, true); +} + +static int imx8mp_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return imx8mp_reset_set(rcdev, id, false); +} + +static const struct imx7_src_variant variant_imx8mp = { + .signals = imx8mp_src_signals, + .signals_num = ARRAY_SIZE(imx8mp_src_signals), + .ops = { + .assert = imx8mp_reset_assert, + .deassert = imx8mp_reset_deassert, + }, +}; + static int imx7_reset_probe(struct platform_device *pdev) { struct imx7_src *imx7src; @@ -283,6 +383,7 @@ static int imx7_reset_probe(struct platform_device *pdev) static const struct of_device_id imx7_reset_dt_ids[] = { { .compatible = "fsl,imx7d-src", .data = &variant_imx7 }, { .compatible = "fsl,imx8mq-src", .data = &variant_imx8mq }, + { .compatible = "fsl,imx8mp-src", .data = &variant_imx8mp }, { /* sentinel */ }, }; diff --git a/include/dt-bindings/reset/amlogic,meson-gxbb-reset.h b/include/dt-bindings/reset/amlogic,meson-gxbb-reset.h index ea5058618863..883bfd3bcbad 100644 --- a/include/dt-bindings/reset/amlogic,meson-gxbb-reset.h +++ b/include/dt-bindings/reset/amlogic,meson-gxbb-reset.h @@ -69,7 +69,7 @@ #define RESET_SYS_CPU_L2 58 #define RESET_SYS_CPU_P 59 #define RESET_SYS_CPU_MBIST 60 -/* 61 */ +#define RESET_ACODEC 61 /* 62 */ /* 63 */ /* RESET2 */ diff --git a/include/dt-bindings/reset/imx8mp-reset.h b/include/dt-bindings/reset/imx8mp-reset.h new file mode 100644 index 000000000000..2e8c9104b666 --- /dev/null +++ b/include/dt-bindings/reset/imx8mp-reset.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2020 NXP + */ + +#ifndef DT_BINDING_RESET_IMX8MP_H +#define DT_BINDING_RESET_IMX8MP_H + +#define IMX8MP_RESET_A53_CORE_POR_RESET0 0 +#define IMX8MP_RESET_A53_CORE_POR_RESET1 1 +#define IMX8MP_RESET_A53_CORE_POR_RESET2 2 +#define IMX8MP_RESET_A53_CORE_POR_RESET3 3 +#define IMX8MP_RESET_A53_CORE_RESET0 4 +#define IMX8MP_RESET_A53_CORE_RESET1 5 +#define IMX8MP_RESET_A53_CORE_RESET2 6 +#define IMX8MP_RESET_A53_CORE_RESET3 7 +#define IMX8MP_RESET_A53_DBG_RESET0 8 +#define IMX8MP_RESET_A53_DBG_RESET1 9 +#define IMX8MP_RESET_A53_DBG_RESET2 10 +#define IMX8MP_RESET_A53_DBG_RESET3 11 +#define IMX8MP_RESET_A53_ETM_RESET0 12 +#define IMX8MP_RESET_A53_ETM_RESET1 13 +#define IMX8MP_RESET_A53_ETM_RESET2 14 +#define IMX8MP_RESET_A53_ETM_RESET3 15 +#define IMX8MP_RESET_A53_SOC_DBG_RESET 16 +#define IMX8MP_RESET_A53_L2RESET 17 +#define IMX8MP_RESET_SW_NON_SCLR_M7C_RST 18 +#define IMX8MP_RESET_OTG1_PHY_RESET 19 +#define IMX8MP_RESET_OTG2_PHY_RESET 20 +#define IMX8MP_RESET_SUPERMIX_RESET 21 +#define IMX8MP_RESET_AUDIOMIX_RESET 22 +#define IMX8MP_RESET_MLMIX_RESET 23 +#define IMX8MP_RESET_PCIEPHY 24 +#define IMX8MP_RESET_PCIEPHY_PERST 25 +#define IMX8MP_RESET_PCIE_CTRL_APPS_EN 26 +#define IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF 27 +#define IMX8MP_RESET_HDMI_PHY_APB_RESET 28 +#define IMX8MP_RESET_MEDIA_RESET 29 +#define IMX8MP_RESET_GPU2D_RESET 30 +#define IMX8MP_RESET_GPU3D_RESET 31 +#define IMX8MP_RESET_GPU_RESET 32 +#define IMX8MP_RESET_VPU_RESET 33 +#define IMX8MP_RESET_VPU_G1_RESET 34 +#define IMX8MP_RESET_VPU_G2_RESET 35 +#define IMX8MP_RESET_VPUVC8KE_RESET 36 +#define IMX8MP_RESET_NOC_RESET 37 + +#define IMX8MP_RESET_NUM 38 + +#endif diff --git a/include/dt-bindings/reset/imx8mq-reset.h b/include/dt-bindings/reset/imx8mq-reset.h index 9a301082d361..a5b570737582 100644 --- a/include/dt-bindings/reset/imx8mq-reset.h +++ b/include/dt-bindings/reset/imx8mq-reset.h @@ -28,36 +28,36 @@ #define IMX8MQ_RESET_A53_L2RESET 17 #define IMX8MQ_RESET_SW_NON_SCLR_M4C_RST 18 #define IMX8MQ_RESET_OTG1_PHY_RESET 19 -#define IMX8MQ_RESET_OTG2_PHY_RESET 20 -#define IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N 21 -#define IMX8MQ_RESET_MIPI_DSI_RESET_N 22 -#define IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N 23 -#define IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N 24 -#define IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N 25 -#define IMX8MQ_RESET_PCIEPHY 26 -#define IMX8MQ_RESET_PCIEPHY_PERST 27 -#define IMX8MQ_RESET_PCIE_CTRL_APPS_EN 28 -#define IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF 29 -#define IMX8MQ_RESET_HDMI_PHY_APB_RESET 30 /* i.MX8MM does NOT support */ +#define IMX8MQ_RESET_OTG2_PHY_RESET 20 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N 21 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_DSI_RESET_N 22 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N 23 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N 24 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N 25 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIEPHY 26 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIEPHY_PERST 27 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIE_CTRL_APPS_EN 28 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF 29 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_HDMI_PHY_APB_RESET 30 /* i.MX8MM/i.MX8MN does NOT support */ #define IMX8MQ_RESET_DISP_RESET 31 #define IMX8MQ_RESET_GPU_RESET 32 -#define IMX8MQ_RESET_VPU_RESET 33 -#define IMX8MQ_RESET_PCIEPHY2 34 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_PCIEPHY2_PERST 35 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN 36 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF 37 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET 38 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET 39 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET 40 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET 41 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET 42 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET 43 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_DDRC1_PRST 44 -#define IMX8MQ_RESET_DDRC1_CORE_RESET 45 -#define IMX8MQ_RESET_DDRC1_PHY_RESET 46 -#define IMX8MQ_RESET_DDRC2_PRST 47 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_DDRC2_CORE_RESET 48 /* i.MX8MM does NOT support */ -#define IMX8MQ_RESET_DDRC2_PHY_RESET 49 /* i.MX8MM does NOT support */ +#define IMX8MQ_RESET_VPU_RESET 33 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIEPHY2 34 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIEPHY2_PERST 35 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN 36 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF 37 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET 38 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET 39 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET 40 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET 41 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET 42 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET 43 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC1_PRST 44 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC1_CORE_RESET 45 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC1_PHY_RESET 46 /* i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC2_PRST 47 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC2_CORE_RESET 48 /* i.MX8MM/i.MX8MN does NOT support */ +#define IMX8MQ_RESET_DDRC2_PHY_RESET 49 /* i.MX8MM/i.MX8MN does NOT support */ #define IMX8MQ_RESET_NUM 50 |