Commit 9855b3db authored by Arnd Bergmann's avatar Arnd Bergmann

Merge tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "Mediatek: soc driver updates for v4.15" from Matthias Brugger:

- add 32 bit read/write support to pwrap
- add mt7622 support to pwrap
- test build all mediatek soc drivers
- fix compiler issues
- clean up Kconfig description

* tag 'v4.14-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: pwrap: fix fatal compiler error
  soc: mediatek: pwrap: fix compiler errors
  arm64: mediatek: cleanup message for platform selection
  soc: Allow test-building of MediaTek drivers
  soc: mediatek: place Kconfig for all SoC drivers under menu
  soc: mediatek: pwrap: add support for MT7622 SoC
  soc: mediatek: pwrap: add common way for setup CS timing extenstion
  soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
  soc: mediatek: pwrap: refactor pwrap_init for the various PMIC types
  soc: mediatek: pwrap: add pwrap_write32 for writing in 32-bit mode
  soc: mediatek: pwrap: add pwrap_read32 for reading in 32-bit mode
  dt-bindings: arm: mediatek: add MT7622 string to the PMIC wrapper doc
  ARM: mediatek: Cocci spatch "of_table"
  soc: mediatek: pwrap: fixup warnings from coding style
parents 84cbda2f f32fbbad
...@@ -19,6 +19,7 @@ IP Pairing ...@@ -19,6 +19,7 @@ IP Pairing
Required properties in pwrap device node. Required properties in pwrap device node.
- compatible: - compatible:
"mediatek,mt2701-pwrap" for MT2701/7623 SoCs "mediatek,mt2701-pwrap" for MT2701/7623 SoCs
"mediatek,mt7622-pwrap" for MT7622 SoCs
"mediatek,mt8135-pwrap" for MT8135 SoCs "mediatek,mt8135-pwrap" for MT8135 SoCs
"mediatek,mt8173-pwrap" for MT8173 SoCs "mediatek,mt8173-pwrap" for MT8173 SoCs
- interrupts: IRQ for pwrap in SOC - interrupts: IRQ for pwrap in SOC
...@@ -36,9 +37,12 @@ Required properties in pwrap device node. ...@@ -36,9 +37,12 @@ Required properties in pwrap device node.
- clocks: Must contain an entry for each entry in clock-names. - clocks: Must contain an entry for each entry in clock-names.
Optional properities: Optional properities:
- pmic: Mediatek PMIC MFD is the child device of pwrap - pmic: Using either MediaTek PMIC MFD as the child device of pwrap
See the following for child node definitions: See the following for child node definitions:
Documentation/devicetree/bindings/mfd/mt6397.txt Documentation/devicetree/bindings/mfd/mt6397.txt
or the regulator-only device as the child device of pwrap, such as MT6380.
See the following definitions for such kinds of devices.
Documentation/devicetree/bindings/regulator/mt6380-regulator.txt
Example: Example:
pwrap: pwrap@1000f000 { pwrap: pwrap@1000f000 {
......
...@@ -54,12 +54,14 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = { ...@@ -54,12 +54,14 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = {
{ .compatible = "mediatek,mt8135", .data = &mtk_mt8135_tz_boot }, { .compatible = "mediatek,mt8135", .data = &mtk_mt8135_tz_boot },
{ .compatible = "mediatek,mt8127", .data = &mtk_mt8135_tz_boot }, { .compatible = "mediatek,mt8127", .data = &mtk_mt8135_tz_boot },
{ .compatible = "mediatek,mt2701", .data = &mtk_mt8135_tz_boot }, { .compatible = "mediatek,mt2701", .data = &mtk_mt8135_tz_boot },
{},
}; };
static const struct of_device_id mtk_smp_boot_infos[] __initconst = { static const struct of_device_id mtk_smp_boot_infos[] __initconst = {
{ .compatible = "mediatek,mt6589", .data = &mtk_mt6589_boot }, { .compatible = "mediatek,mt6589", .data = &mtk_mt6589_boot },
{ .compatible = "mediatek,mt7623", .data = &mtk_mt7623_boot }, { .compatible = "mediatek,mt7623", .data = &mtk_mt7623_boot },
{ .compatible = "mediatek,mt7623a", .data = &mtk_mt7623_boot }, { .compatible = "mediatek,mt7623a", .data = &mtk_mt7623_boot },
{},
}; };
static void __iomem *mtk_smp_base; static void __iomem *mtk_smp_base;
......
...@@ -91,12 +91,13 @@ config ARCH_HISI ...@@ -91,12 +91,13 @@ config ARCH_HISI
This enables support for Hisilicon ARMv8 SoC family This enables support for Hisilicon ARMv8 SoC family
config ARCH_MEDIATEK config ARCH_MEDIATEK
bool "Mediatek MT65xx & MT81xx ARMv8 SoC" bool "MediaTek SoC Family"
select ARM_GIC select ARM_GIC
select PINCTRL select PINCTRL
select MTK_TIMER select MTK_TIMER
help help
Support for Mediatek MT65xx & MT81xx ARMv8 SoCs This enables support for MediaTek MT27xx, MT65xx, MT76xx
& MT81xx ARMv8 SoCs
config ARCH_MESON config ARCH_MESON
bool "Amlogic Platforms" bool "Amlogic Platforms"
......
...@@ -10,7 +10,7 @@ obj-$(CONFIG_MACH_DOVE) += dove/ ...@@ -10,7 +10,7 @@ obj-$(CONFIG_MACH_DOVE) += dove/
obj-y += fsl/ obj-y += fsl/
obj-$(CONFIG_ARCH_MXC) += imx/ obj-$(CONFIG_ARCH_MXC) += imx/
obj-$(CONFIG_SOC_XWAY) += lantiq/ obj-$(CONFIG_SOC_XWAY) += lantiq/
obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/ obj-y += mediatek/
obj-$(CONFIG_ARCH_MESON) += amlogic/ obj-$(CONFIG_ARCH_MESON) += amlogic/
obj-$(CONFIG_ARCH_QCOM) += qcom/ obj-$(CONFIG_ARCH_QCOM) += qcom/
obj-y += renesas/ obj-y += renesas/
......
# #
# MediaTek SoC drivers # MediaTek SoC drivers
# #
menu "MediaTek SoC drivers"
depends on ARCH_MEDIATEK || COMPILE_TEST
config MTK_INFRACFG config MTK_INFRACFG
bool "MediaTek INFRACFG Support" bool "MediaTek INFRACFG Support"
depends on ARCH_MEDIATEK || COMPILE_TEST
select REGMAP select REGMAP
help help
Say yes here to add support for the MediaTek INFRACFG controller. The Say yes here to add support for the MediaTek INFRACFG controller. The
...@@ -12,7 +14,6 @@ config MTK_INFRACFG ...@@ -12,7 +14,6 @@ config MTK_INFRACFG
config MTK_PMIC_WRAP config MTK_PMIC_WRAP
tristate "MediaTek PMIC Wrapper Support" tristate "MediaTek PMIC Wrapper Support"
depends on ARCH_MEDIATEK
depends on RESET_CONTROLLER depends on RESET_CONTROLLER
select REGMAP select REGMAP
help help
...@@ -22,7 +23,6 @@ config MTK_PMIC_WRAP ...@@ -22,7 +23,6 @@ config MTK_PMIC_WRAP
config MTK_SCPSYS config MTK_SCPSYS
bool "MediaTek SCPSYS Support" bool "MediaTek SCPSYS Support"
depends on ARCH_MEDIATEK || COMPILE_TEST
default ARCH_MEDIATEK default ARCH_MEDIATEK
select REGMAP select REGMAP
select MTK_INFRACFG select MTK_INFRACFG
...@@ -30,3 +30,5 @@ config MTK_SCPSYS ...@@ -30,3 +30,5 @@ config MTK_SCPSYS
help help
Say yes here to add support for the MediaTek SCPSYS power domain Say yes here to add support for the MediaTek SCPSYS power domain
driver. driver.
endmenu
...@@ -70,6 +70,12 @@ ...@@ -70,6 +70,12 @@
PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \ PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \
PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE) PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE)
/* Group of bits used for shown slave capability */
#define PWRAP_SLV_CAP_SPI BIT(0)
#define PWRAP_SLV_CAP_DUALIO BIT(1)
#define PWRAP_SLV_CAP_SECURITY BIT(2)
#define HAS_CAP(_c, _x) (((_c) & (_x)) == (_x))
/* defines for slave device wrapper registers */ /* defines for slave device wrapper registers */
enum dew_regs { enum dew_regs {
PWRAP_DEW_BASE, PWRAP_DEW_BASE,
...@@ -208,6 +214,36 @@ enum pwrap_regs { ...@@ -208,6 +214,36 @@ enum pwrap_regs {
PWRAP_ADC_RDATA_ADDR1, PWRAP_ADC_RDATA_ADDR1,
PWRAP_ADC_RDATA_ADDR2, PWRAP_ADC_RDATA_ADDR2,
/* MT7622 only regs */
PWRAP_EINT_STA0_ADR,
PWRAP_EINT_STA1_ADR,
PWRAP_STA,
PWRAP_CLR,
PWRAP_DVFS_ADR8,
PWRAP_DVFS_WDATA8,
PWRAP_DVFS_ADR9,
PWRAP_DVFS_WDATA9,
PWRAP_DVFS_ADR10,
PWRAP_DVFS_WDATA10,
PWRAP_DVFS_ADR11,
PWRAP_DVFS_WDATA11,
PWRAP_DVFS_ADR12,
PWRAP_DVFS_WDATA12,
PWRAP_DVFS_ADR13,
PWRAP_DVFS_WDATA13,
PWRAP_DVFS_ADR14,
PWRAP_DVFS_WDATA14,
PWRAP_DVFS_ADR15,
PWRAP_DVFS_WDATA15,
PWRAP_EXT_CK,
PWRAP_ADC_RDATA_ADDR,
PWRAP_GPS_STA,
PWRAP_SW_RST,
PWRAP_DVFS_STEP_CTRL0,
PWRAP_DVFS_STEP_CTRL1,
PWRAP_DVFS_STEP_CTRL2,
PWRAP_SPI2_CTRL,
/* MT8135 only regs */ /* MT8135 only regs */
PWRAP_CSHEXT, PWRAP_CSHEXT,
PWRAP_EVENT_IN_EN, PWRAP_EVENT_IN_EN,
...@@ -330,6 +366,118 @@ static int mt2701_regs[] = { ...@@ -330,6 +366,118 @@ static int mt2701_regs[] = {
[PWRAP_ADC_RDATA_ADDR2] = 0x154, [PWRAP_ADC_RDATA_ADDR2] = 0x154,
}; };
static int mt7622_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
[PWRAP_SIDLY] = 0xC,
[PWRAP_RDDMY] = 0x10,
[PWRAP_SI_CK_CON] = 0x14,
[PWRAP_CSHEXT_WRITE] = 0x18,
[PWRAP_CSHEXT_READ] = 0x1C,
[PWRAP_CSLEXT_START] = 0x20,
[PWRAP_CSLEXT_END] = 0x24,
[PWRAP_STAUPD_PRD] = 0x28,
[PWRAP_STAUPD_GRPEN] = 0x2C,
[PWRAP_EINT_STA0_ADR] = 0x30,
[PWRAP_EINT_STA1_ADR] = 0x34,
[PWRAP_STA] = 0x38,
[PWRAP_CLR] = 0x3C,
[PWRAP_STAUPD_MAN_TRIG] = 0x40,
[PWRAP_STAUPD_STA] = 0x44,
[PWRAP_WRAP_STA] = 0x48,
[PWRAP_HARB_INIT] = 0x4C,
[PWRAP_HARB_HPRIO] = 0x50,
[PWRAP_HIPRIO_ARB_EN] = 0x54,
[PWRAP_HARB_STA0] = 0x58,
[PWRAP_HARB_STA1] = 0x5C,
[PWRAP_MAN_EN] = 0x60,
[PWRAP_MAN_CMD] = 0x64,
[PWRAP_MAN_RDATA] = 0x68,
[PWRAP_MAN_VLDCLR] = 0x6C,
[PWRAP_WACS0_EN] = 0x70,
[PWRAP_INIT_DONE0] = 0x74,
[PWRAP_WACS0_CMD] = 0x78,
[PWRAP_WACS0_RDATA] = 0x7C,
[PWRAP_WACS0_VLDCLR] = 0x80,
[PWRAP_WACS1_EN] = 0x84,
[PWRAP_INIT_DONE1] = 0x88,
[PWRAP_WACS1_CMD] = 0x8C,
[PWRAP_WACS1_RDATA] = 0x90,
[PWRAP_WACS1_VLDCLR] = 0x94,
[PWRAP_WACS2_EN] = 0x98,
[PWRAP_INIT_DONE2] = 0x9C,
[PWRAP_WACS2_CMD] = 0xA0,
[PWRAP_WACS2_RDATA] = 0xA4,
[PWRAP_WACS2_VLDCLR] = 0xA8,
[PWRAP_INT_EN] = 0xAC,
[PWRAP_INT_FLG_RAW] = 0xB0,
[PWRAP_INT_FLG] = 0xB4,
[PWRAP_INT_CLR] = 0xB8,
[PWRAP_SIG_ADR] = 0xBC,
[PWRAP_SIG_MODE] = 0xC0,
[PWRAP_SIG_VALUE] = 0xC4,
[PWRAP_SIG_ERRVAL] = 0xC8,
[PWRAP_CRC_EN] = 0xCC,
[PWRAP_TIMER_EN] = 0xD0,
[PWRAP_TIMER_STA] = 0xD4,
[PWRAP_WDT_UNIT] = 0xD8,
[PWRAP_WDT_SRC_EN] = 0xDC,
[PWRAP_WDT_FLG] = 0xE0,
[PWRAP_DEBUG_INT_SEL] = 0xE4,
[PWRAP_DVFS_ADR0] = 0xE8,
[PWRAP_DVFS_WDATA0] = 0xEC,
[PWRAP_DVFS_ADR1] = 0xF0,
[PWRAP_DVFS_WDATA1] = 0xF4,
[PWRAP_DVFS_ADR2] = 0xF8,
[PWRAP_DVFS_WDATA2] = 0xFC,
[PWRAP_DVFS_ADR3] = 0x100,
[PWRAP_DVFS_WDATA3] = 0x104,
[PWRAP_DVFS_ADR4] = 0x108,
[PWRAP_DVFS_WDATA4] = 0x10C,
[PWRAP_DVFS_ADR5] = 0x110,
[PWRAP_DVFS_WDATA5] = 0x114,
[PWRAP_DVFS_ADR6] = 0x118,
[PWRAP_DVFS_WDATA6] = 0x11C,
[PWRAP_DVFS_ADR7] = 0x120,
[PWRAP_DVFS_WDATA7] = 0x124,
[PWRAP_DVFS_ADR8] = 0x128,
[PWRAP_DVFS_WDATA8] = 0x12C,
[PWRAP_DVFS_ADR9] = 0x130,
[PWRAP_DVFS_WDATA9] = 0x134,
[PWRAP_DVFS_ADR10] = 0x138,
[PWRAP_DVFS_WDATA10] = 0x13C,
[PWRAP_DVFS_ADR11] = 0x140,
[PWRAP_DVFS_WDATA11] = 0x144,
[PWRAP_DVFS_ADR12] = 0x148,
[PWRAP_DVFS_WDATA12] = 0x14C,
[PWRAP_DVFS_ADR13] = 0x150,
[PWRAP_DVFS_WDATA13] = 0x154,
[PWRAP_DVFS_ADR14] = 0x158,
[PWRAP_DVFS_WDATA14] = 0x15C,
[PWRAP_DVFS_ADR15] = 0x160,
[PWRAP_DVFS_WDATA15] = 0x164,
[PWRAP_SPMINF_STA] = 0x168,
[PWRAP_CIPHER_KEY_SEL] = 0x16C,
[PWRAP_CIPHER_IV_SEL] = 0x170,
[PWRAP_CIPHER_EN] = 0x174,
[PWRAP_CIPHER_RDY] = 0x178,
[PWRAP_CIPHER_MODE] = 0x17C,
[PWRAP_CIPHER_SWRST] = 0x180,
[PWRAP_DCM_EN] = 0x184,
[PWRAP_DCM_DBC_PRD] = 0x188,
[PWRAP_EXT_CK] = 0x18C,
[PWRAP_ADC_CMD_ADDR] = 0x190,
[PWRAP_PWRAP_ADC_CMD] = 0x194,
[PWRAP_ADC_RDATA_ADDR] = 0x198,
[PWRAP_GPS_STA] = 0x19C,
[PWRAP_SW_RST] = 0x1A0,
[PWRAP_DVFS_STEP_CTRL0] = 0x238,
[PWRAP_DVFS_STEP_CTRL1] = 0x23C,
[PWRAP_DVFS_STEP_CTRL2] = 0x240,
[PWRAP_SPI2_CTRL] = 0x244,
};
static int mt8173_regs[] = { static int mt8173_regs[] = {
[PWRAP_MUX_SEL] = 0x0, [PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4, [PWRAP_WRAP_EN] = 0x4,
...@@ -487,18 +635,31 @@ static int mt8135_regs[] = { ...@@ -487,18 +635,31 @@ static int mt8135_regs[] = {
enum pmic_type { enum pmic_type {
PMIC_MT6323, PMIC_MT6323,
PMIC_MT6380,
PMIC_MT6397, PMIC_MT6397,
}; };
enum pwrap_type { enum pwrap_type {
PWRAP_MT2701, PWRAP_MT2701,
PWRAP_MT7622,
PWRAP_MT8135, PWRAP_MT8135,
PWRAP_MT8173, PWRAP_MT8173,
}; };
struct pmic_wrapper;
struct pwrap_slv_type { struct pwrap_slv_type {
const u32 *dew_regs; const u32 *dew_regs;
enum pmic_type type; enum pmic_type type;
const struct regmap_config *regmap;
/* Flags indicating the capability for the target slave */
u32 caps;
/*
* pwrap operations are highly associated with the PMIC types,
* so the pointers added increases flexibility allowing determination
* which type is used by the detection through device tree.
*/
int (*pwrap_read)(struct pmic_wrapper *wrp, u32 adr, u32 *rdata);
int (*pwrap_write)(struct pmic_wrapper *wrp, u32 adr, u32 wdata);
}; };
struct pmic_wrapper { struct pmic_wrapper {
...@@ -522,7 +683,7 @@ struct pmic_wrapper_type { ...@@ -522,7 +683,7 @@ struct pmic_wrapper_type {
u32 int_en_all; u32 int_en_all;
u32 spi_w; u32 spi_w;
u32 wdt_src; u32 wdt_src;
int has_bridge:1; unsigned int has_bridge:1;
int (*init_reg_clock)(struct pmic_wrapper *wrp); int (*init_reg_clock)(struct pmic_wrapper *wrp);
int (*init_soc_specific)(struct pmic_wrapper *wrp); int (*init_soc_specific)(struct pmic_wrapper *wrp);
}; };
...@@ -593,7 +754,7 @@ static int pwrap_wait_for_state(struct pmic_wrapper *wrp, ...@@ -593,7 +754,7 @@ static int pwrap_wait_for_state(struct pmic_wrapper *wrp,
} while (1); } while (1);
} }
static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata) static int pwrap_read16(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
{ {
int ret; int ret;
...@@ -603,35 +764,102 @@ static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata) ...@@ -603,35 +764,102 @@ static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
return ret; return ret;
} }
pwrap_writel(wrp, (1 << 31) | ((adr >> 1) << 16) | wdata, pwrap_writel(wrp, (adr >> 1) << 16, PWRAP_WACS2_CMD);
PWRAP_WACS2_CMD);
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr);
if (ret)
return ret;
*rdata = PWRAP_GET_WACS_RDATA(pwrap_readl(wrp, PWRAP_WACS2_RDATA));
pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR);
return 0; return 0;
} }
static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata) static int pwrap_read32(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
{ {
int ret; int ret, msb;
*rdata = 0;
for (msb = 0; msb < 2; msb++) {
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
if (ret) { if (ret) {
pwrap_leave_fsm_vldclr(wrp); pwrap_leave_fsm_vldclr(wrp);
return ret; return ret;
} }
pwrap_writel(wrp, (adr >> 1) << 16, PWRAP_WACS2_CMD); pwrap_writel(wrp, ((msb << 30) | (adr << 16)),
PWRAP_WACS2_CMD);
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr); ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_vldclr);
if (ret) if (ret)
return ret; return ret;
*rdata = PWRAP_GET_WACS_RDATA(pwrap_readl(wrp, PWRAP_WACS2_RDATA)); *rdata += (PWRAP_GET_WACS_RDATA(pwrap_readl(wrp,
PWRAP_WACS2_RDATA)) << (16 * msb));
pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR); pwrap_writel(wrp, 1, PWRAP_WACS2_VLDCLR);
}
return 0; return 0;
} }
static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata)
{
return wrp->slave->pwrap_read(wrp, adr, rdata);
}
static int pwrap_write16(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
{
int ret;
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
if (ret) {
pwrap_leave_fsm_vldclr(wrp);
return ret;
}
pwrap_writel(wrp, (1 << 31) | ((adr >> 1) << 16) | wdata,
PWRAP_WACS2_CMD);
return 0;
}
static int pwrap_write32(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
{
int ret, msb, rdata;
for (msb = 0; msb < 2; msb++) {
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle);
if (ret) {
pwrap_leave_fsm_vldclr(wrp);
return ret;
}
pwrap_writel(wrp, (1 << 31) | (msb << 30) | (adr << 16) |
((wdata >> (msb * 16)) & 0xffff),
PWRAP_WACS2_CMD);
/*
* The pwrap_read operation is the requirement of hardware used
* for the synchronization between two successive 16-bit
* pwrap_writel operations composing one 32-bit bus writing.
* Otherwise, we'll find the result fails on the lower 16-bit
* pwrap writing.
*/
if (!msb)
pwrap_read(wrp, adr, &rdata);
}
return 0;
}
static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata)
{
return wrp->slave->pwrap_write(wrp, adr, wdata);
}
static int pwrap_regmap_read(void *context, u32 adr, u32 *rdata) static int pwrap_regmap_read(void *context, u32 adr, u32 *rdata)
{ {
return pwrap_read(context, adr, rdata); return pwrap_read(context, adr, rdata);
...@@ -711,23 +939,75 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp) ...@@ -711,23 +939,75 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp)
return 0; return 0;
} }
static int pwrap_mt8135_init_reg_clock(struct pmic_wrapper *wrp) static int pwrap_init_dual_io(struct pmic_wrapper *wrp)
{ {
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT); int ret;
pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE); u32 rdata;
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START); /* Enable dual IO mode */
pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END); pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_DIO_EN], 1);
/* Check IDLE & INIT_DONE in advance */
ret = pwrap_wait_for_state(wrp,
pwrap_is_fsm_idle_and_sync_idle);
if (ret) {
dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret);
return ret;
}
pwrap_writel(wrp, 1, PWRAP_DIO_EN);
/* Read Test */
pwrap_read(wrp,
wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], &rdata);
if (rdata != PWRAP_DEW_READ_TEST_VAL) {
dev_err(wrp->dev,
"Read failed on DIO mode: 0x%04x!=0x%04x\n",
PWRAP_DEW_READ_TEST_VAL, rdata);
return -EFAULT;
}
return 0; return 0;
} }
static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp) /*
* pwrap_init_chip_select_ext is used to configure CS extension time for each
* phase during data transactions on the pwrap bus.
*/
static void pwrap_init_chip_select_ext(struct pmic_wrapper *wrp, u8 hext_write,
u8 hext_read, u8 lext_start,
u8 lext_end)
{ {
pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE); /*
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ); * After finishing a write and read transaction, extends CS high time
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START); * to be at least xT of BUS CLK as hext_write and hext_read specifies
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END); * respectively.
*/
pwrap_writel(wrp, hext_write, PWRAP_CSHEXT_WRITE);
pwrap_writel(wrp, hext_read, PWRAP_CSHEXT_READ);
/*
* Extends CS low time after CSL and before CSH command to be at
* least xT of BUS CLK as lext_start and lext_end specifies
* respectively.
*/
pwrap_writel(wrp, lext_start, PWRAP_CSLEXT_START);
pwrap_writel(wrp, lext_end, PWRAP_CSLEXT_END);
}
static int pwrap_common_init_reg_clock(struct pmic_wrapper *wrp)
{
switch (wrp->master->type) {
case PWRAP_MT8173:
pwrap_init_chip_select_ext(wrp, 0, 4, 2, 2);
break;
case PWRAP_MT8135:
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
pwrap_init_chip_select_ext(wrp, 0, 4, 0, 0);
break;
default:
break;
}
return 0; return 0;
} }
...@@ -737,20 +1017,16 @@ static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp) ...@@ -737,20 +1017,16 @@ static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp)
switch (wrp->slave->type) { switch (wrp->slave->type) {
case PMIC_MT6397: case PMIC_MT6397:
pwrap_writel(wrp, 0xc, PWRAP_RDDMY); pwrap_writel(wrp, 0xc, PWRAP_RDDMY);
pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_WRITE); pwrap_init_chip_select_ext(wrp, 4, 0, 2, 2);
pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_READ);
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
break; break;
case PMIC_MT6323: case PMIC_MT6323:
pwrap_writel(wrp, 0x8, PWRAP_RDDMY); pwrap_writel(wrp, 0x8, PWRAP_RDDMY);
pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO], pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO],
0x8); 0x8);
pwrap_writel(wrp, 0x5, PWRAP_CSHEXT_WRITE); pwrap_init_chip_select_ext(wrp, 5, 0, 2, 2);
pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_READ); break;
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START); default:
pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
break; break;
} }
...@@ -794,6 +1070,9 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) ...@@ -794,6 +1070,9 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
case PWRAP_MT8173: case PWRAP_MT8173:
pwrap_writel(wrp, 1, PWRAP_CIPHER_EN); pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);
break; break;
case PWRAP_MT7622:
pwrap_writel(wrp, 0, PWRAP_CIPHER_EN);
break;
} }
/* Config cipher mode @PMIC */ /* Config cipher mode @PMIC */
...@@ -815,6 +1094,8 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) ...@@ -815,6 +1094,8 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN], pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
0x1); 0x1);
break; break;
default:
break;
} }
/* wait for cipher data ready@AP */ /* wait for cipher data ready@AP */
...@@ -827,7 +1108,8 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) ...@@ -827,7 +1108,8 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
/* wait for cipher data ready@PMIC */ /* wait for cipher data ready@PMIC */
ret = pwrap_wait_for_state(wrp, pwrap_is_pmic_cipher_ready); ret = pwrap_wait_for_state(wrp, pwrap_is_pmic_cipher_ready);
if (ret) { if (ret) {
dev_err(wrp->dev, "timeout waiting for cipher data ready@PMIC\n"); dev_err(wrp->dev,
"timeout waiting for cipher data ready@PMIC\n");
return ret; return ret;
} }
...@@ -854,6 +1136,30 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) ...@@ -854,6 +1136,30 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
return 0; return 0;
} }
static int pwrap_init_security(struct pmic_wrapper *wrp)
{
int ret;
/* Enable encryption */
ret = pwrap_init_cipher(wrp);
if (ret)
return ret;
/* Signature checking - using CRC */
if (pwrap_write(wrp,
wrp->slave->dew_regs[PWRAP_DEW_CRC_EN], 0x1))
return -EFAULT;
pwrap_writel(wrp, 0x1, PWRAP_CRC_EN);
pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE);
pwrap_writel(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_VAL],
PWRAP_SIG_ADR);
pwrap_writel(wrp,
wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
return 0;
}
static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp) static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
{ {
/* enable pwrap events and pwrap bridge in AP side */ /* enable pwrap events and pwrap bridge in AP side */
...@@ -911,10 +1217,18 @@ static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp) ...@@ -911,10 +1217,18 @@ static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp)
return 0; return 0;
} }
static int pwrap_mt7622_init_soc_specific(struct pmic_wrapper *wrp)
{
pwrap_writel(wrp, 0, PWRAP_STAUPD_PRD);
/* enable 2wire SPI master */
pwrap_writel(wrp, 0x8000000, PWRAP_SPI2_CTRL);
return 0;
}
static int pwrap_init(struct pmic_wrapper *wrp) static int pwrap_init(struct pmic_wrapper *wrp)
{ {
int ret; int ret;
u32 rdata;
reset_control_reset(wrp->rstc); reset_control_reset(wrp->rstc);
if (wrp->rstc_bridge) if (wrp->rstc_bridge)
...@@ -926,10 +1240,12 @@ static int pwrap_init(struct pmic_wrapper *wrp) ...@@ -926,10 +1240,12 @@ static int pwrap_init(struct pmic_wrapper *wrp)
pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD); pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
} }
if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) {
/* Reset SPI slave */ /* Reset SPI slave */
ret = pwrap_reset_spislave(wrp); ret = pwrap_reset_spislave(wrp);
if (ret) if (ret)
return ret; return ret;
}
pwrap_writel(wrp, 1, PWRAP_WRAP_EN); pwrap_writel(wrp, 1, PWRAP_WRAP_EN);
...@@ -941,45 +1257,26 @@ static int pwrap_init(struct pmic_wrapper *wrp) ...@@ -941,45 +1257,26 @@ static int pwrap_init(struct pmic_wrapper *wrp)
if (ret) if (ret)
return ret; return ret;
if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SPI)) {
/* Setup serial input delay */ /* Setup serial input delay */
ret = pwrap_init_sidly(wrp); ret = pwrap_init_sidly(wrp);
if (ret) if (ret)
return ret; return ret;
/* Enable dual IO mode */
pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_DIO_EN], 1);
/* Check IDLE & INIT_DONE in advance */
ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle);
if (ret) {
dev_err(wrp->dev, "%s fail, ret=%d\n", __func__, ret);
return ret;
} }
pwrap_writel(wrp, 1, PWRAP_DIO_EN); if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_DUALIO)) {
/* Enable dual I/O mode */
/* Read Test */ ret = pwrap_init_dual_io(wrp);
pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], &rdata); if (ret)
if (rdata != PWRAP_DEW_READ_TEST_VAL) { return ret;
dev_err(wrp->dev, "Read test failed after switch to DIO mode: 0x%04x != 0x%04x\n",
PWRAP_DEW_READ_TEST_VAL, rdata);
return -EFAULT;
} }
/* Enable encryption */ if (HAS_CAP(wrp->slave->caps, PWRAP_SLV_CAP_SECURITY)) {
ret = pwrap_init_cipher(wrp); /* Enable security on bus */
ret = pwrap_init_security(wrp);
if (ret) if (ret)
return ret; return ret;
}
/* Signature checking - using CRC */
if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_EN], 0x1))
return -EFAULT;
pwrap_writel(wrp, 0x1, PWRAP_CRC_EN);
pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE);
pwrap_writel(wrp, wrp->slave->dew_regs[PWRAP_DEW_CRC_VAL],
PWRAP_SIG_ADR);
pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
if (wrp->master->type == PWRAP_MT8135) if (wrp->master->type == PWRAP_MT8135)
pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN); pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN);
...@@ -1023,7 +1320,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id) ...@@ -1023,7 +1320,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
static const struct regmap_config pwrap_regmap_config = { static const struct regmap_config pwrap_regmap_config16 = {
.reg_bits = 16, .reg_bits = 16,
.val_bits = 16, .val_bits = 16,
.reg_stride = 2, .reg_stride = 2,
...@@ -1032,20 +1329,54 @@ static const struct regmap_config pwrap_regmap_config = { ...@@ -1032,20 +1329,54 @@ static const struct regmap_config pwrap_regmap_config = {
.max_register = 0xffff, .max_register = 0xffff,
}; };
static const struct regmap_config pwrap_regmap_config32 = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.reg_read = pwrap_regmap_read,
.reg_write = pwrap_regmap_write,
.max_register = 0xffff,
};
static const struct pwrap_slv_type pmic_mt6323 = { static const struct pwrap_slv_type pmic_mt6323 = {
.dew_regs = mt6323_regs, .dew_regs = mt6323_regs,
.type = PMIC_MT6323, .type = PMIC_MT6323,
.regmap = &pwrap_regmap_config16,
.caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
PWRAP_SLV_CAP_SECURITY,
.pwrap_read = pwrap_read16,
.pwrap_write = pwrap_write16,
};
static const struct pwrap_slv_type pmic_mt6380 = {
.dew_regs = NULL,
.type = PMIC_MT6380,
.regmap = &pwrap_regmap_config32,
.caps = 0,
.pwrap_read = pwrap_read32,
.pwrap_write = pwrap_write32,
}; };
static const struct pwrap_slv_type pmic_mt6397 = { static const struct pwrap_slv_type pmic_mt6397 = {
.dew_regs = mt6397_regs, .dew_regs = mt6397_regs,
.type = PMIC_MT6397, .type = PMIC_MT6397,
.regmap = &pwrap_regmap_config16,
.caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
PWRAP_SLV_CAP_SECURITY,
.pwrap_read = pwrap_read16,
.pwrap_write = pwrap_write16,
}; };
static const struct of_device_id of_slave_match_tbl[] = { static const struct of_device_id of_slave_match_tbl[] = {
{ {
.compatible = "mediatek,mt6323", .compatible = "mediatek,mt6323",
.data = &pmic_mt6323, .data = &pmic_mt6323,
}, {
/* The MT6380 PMIC only implements a regulator, so we bind it
* directly instead of using a MFD.
*/
.compatible = "mediatek,mt6380-regulator",
.data = &pmic_mt6380,
}, { }, {
.compatible = "mediatek,mt6397", .compatible = "mediatek,mt6397",
.data = &pmic_mt6397, .data = &pmic_mt6397,
...@@ -1067,6 +1398,18 @@ static const struct pmic_wrapper_type pwrap_mt2701 = { ...@@ -1067,6 +1398,18 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
.init_soc_specific = pwrap_mt2701_init_soc_specific, .init_soc_specific = pwrap_mt2701_init_soc_specific,
}; };
static const struct pmic_wrapper_type pwrap_mt7622 = {
.regs = mt7622_regs,
.type = PWRAP_MT7622,
.arb_en_all = 0xff,
.int_en_all = ~(u32)BIT(31),
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
.has_bridge = 0,
.init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt7622_init_soc_specific,
};
static const struct pmic_wrapper_type pwrap_mt8135 = { static const struct pmic_wrapper_type pwrap_mt8135 = {
.regs = mt8135_regs, .regs = mt8135_regs,
.type = PWRAP_MT8135, .type = PWRAP_MT8135,
...@@ -1075,7 +1418,7 @@ static const struct pmic_wrapper_type pwrap_mt8135 = { ...@@ -1075,7 +1418,7 @@ static const struct pmic_wrapper_type pwrap_mt8135 = {
.spi_w = PWRAP_MAN_CMD_SPI_WRITE, .spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL, .wdt_src = PWRAP_WDT_SRC_MASK_ALL,
.has_bridge = 1, .has_bridge = 1,
.init_reg_clock = pwrap_mt8135_init_reg_clock, .init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt8135_init_soc_specific, .init_soc_specific = pwrap_mt8135_init_soc_specific,
}; };
...@@ -1087,7 +1430,7 @@ static const struct pmic_wrapper_type pwrap_mt8173 = { ...@@ -1087,7 +1430,7 @@ static const struct pmic_wrapper_type pwrap_mt8173 = {
.spi_w = PWRAP_MAN_CMD_SPI_WRITE, .spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD, .wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
.has_bridge = 0, .has_bridge = 0,
.init_reg_clock = pwrap_mt8173_init_reg_clock, .init_reg_clock = pwrap_common_init_reg_clock,
.init_soc_specific = pwrap_mt8173_init_soc_specific, .init_soc_specific = pwrap_mt8173_init_soc_specific,
}; };
...@@ -1095,6 +1438,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = { ...@@ -1095,6 +1438,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = {
{ {
.compatible = "mediatek,mt2701-pwrap", .compatible = "mediatek,mt2701-pwrap",
.data = &pwrap_mt2701, .data = &pwrap_mt2701,
}, {
.compatible = "mediatek,mt7622-pwrap",
.data = &pwrap_mt7622,
}, { }, {
.compatible = "mediatek,mt8135-pwrap", .compatible = "mediatek,mt8135-pwrap",
.data = &pwrap_mt8135, .data = &pwrap_mt8135,
...@@ -1159,23 +1505,27 @@ static int pwrap_probe(struct platform_device *pdev) ...@@ -1159,23 +1505,27 @@ static int pwrap_probe(struct platform_device *pdev)
if (IS_ERR(wrp->bridge_base)) if (IS_ERR(wrp->bridge_base))
return PTR_ERR(wrp->bridge_base); return PTR_ERR(wrp->bridge_base);
wrp->rstc_bridge = devm_reset_control_get(wrp->dev, "pwrap-bridge"); wrp->rstc_bridge = devm_reset_control_get(wrp->dev,
"pwrap-bridge");
if (IS_ERR(wrp->rstc_bridge)) { if (IS_ERR(wrp->rstc_bridge)) {
ret = PTR_ERR(wrp->rstc_bridge); ret = PTR_ERR(wrp->rstc_bridge);
dev_dbg(wrp->dev, "cannot get pwrap-bridge reset: %d\n", ret); dev_dbg(wrp->dev,
"cannot get pwrap-bridge reset: %d\n", ret);
return ret; return ret;
} }
} }
wrp->clk_spi = devm_clk_get(wrp->dev, "spi"); wrp->clk_spi = devm_clk_get(wrp->dev, "spi");
if (IS_ERR(wrp->clk_spi)) { if (IS_ERR(wrp->clk_spi)) {
dev_dbg(wrp->dev, "failed to get clock: %ld\n", PTR_ERR(wrp->clk_spi)); dev_dbg(wrp->dev, "failed to get clock: %ld\n",
PTR_ERR(wrp->clk_spi));
return PTR_ERR(wrp->clk_spi); return PTR_ERR(wrp->clk_spi);
} }
wrp->clk_wrap = devm_clk_get(wrp->dev, "wrap"); wrp->clk_wrap = devm_clk_get(wrp->dev, "wrap");
if (IS_ERR(wrp->clk_wrap)) { if (IS_ERR(wrp->clk_wrap)) {
dev_dbg(wrp->dev, "failed to get clock: %ld\n", PTR_ERR(wrp->clk_wrap)); dev_dbg(wrp->dev, "failed to get clock: %ld\n",
PTR_ERR(wrp->clk_wrap));
return PTR_ERR(wrp->clk_wrap); return PTR_ERR(wrp->clk_wrap);
} }
...@@ -1220,12 +1570,13 @@ static int pwrap_probe(struct platform_device *pdev) ...@@ -1220,12 +1570,13 @@ static int pwrap_probe(struct platform_device *pdev)
pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN); pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN);
irq = platform_get_irq(pdev, 0); irq = platform_get_irq(pdev, 0);
ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt, IRQF_TRIGGER_HIGH, ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt,
IRQF_TRIGGER_HIGH,
"mt-pmic-pwrap", wrp); "mt-pmic-pwrap", wrp);
if (ret) if (ret)
goto err_out2; goto err_out2;
wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, &pwrap_regmap_config); wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regmap);
if (IS_ERR(wrp->regmap)) { if (IS_ERR(wrp->regmap)) {
ret = PTR_ERR(wrp->regmap); ret = PTR_ERR(wrp->regmap);
goto err_out2; goto err_out2;
......
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