[PATCH V6 00/11] soc: mediatek: PMIC wrap: add MT6323/2701/7623 support

[PATCH V6 00/11] soc: mediatek: PMIC wrap: add MT6323/2701/7623 support

[John Crispin]

This series adds support for the MT6323 PMIC and the MT2701/7623 SoC.
MT6323 is slightly different to the already supported PMIC. This series
makes a few changes to the code to allow easy addition of the new PMIC
and SoCs.

Changes in V6
* 4/11 - make description verbose and rename init_special
* 6/11 - make description verbose
* 7/11 - make description verbose
* 8/11 - make description verbose
* 9/11 - put mt6397 specific dew registers in their own paragraph


John Crispin (11):
  dt-bindings: ARM: Mediatek: add MT2701/7623 string to the PMIC
    wrapper doc
  soc: mediatek: PMIC wrap: don't duplicate the wrapper data
  soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock
  soc: mediatek: PMIC wrap: split SoC specific init into callback
  soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for
    MT2701/7623
  soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for
    MT2701/7623
  soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type
    struct
  soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and
    pwrap_is_mt8173()
  soc: mediatek: PMIC wrap: add a slave specific struct
  soc: mediatek: PMIC wrap: add mt6323 slave support
  soc: mediatek: PMIC wrap: add MT2701/7623 support

 .../devicetree/bindings/soc/mediatek/pwrap.txt     |    1 +
 drivers/soc/mediatek/mtk-pmic-wrap.c               |  544 +++++++++++++++-----
 2 files changed, 414 insertions(+), 131 deletions(-)

-- 
1.7.10.4

[PATCH V6 01/11] dt-bindings: ARM: Mediatek: add MT2701/7623 string to the PMIC wrapper doc

[John Crispin]

Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Rob Herring <robh@kernel.org>
Cc: devicetree at vger.kernel.org
---
 Documentation/devicetree/bindings/soc/mediatek/pwrap.txt |    1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
index ddeb5b6..107700d 100644
--- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
+++ b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
@@ -18,6 +18,7 @@ IP Pairing
 
 Required properties in pwrap device node.
 - compatible:
+	"mediatek,mt2701-pwrap" for MT2701/7623 SoCs
 	"mediatek,mt8135-pwrap" for MT8135 SoCs
 	"mediatek,mt8173-pwrap" for MT8173 SoCs
 - interrupts: IRQ for pwrap in SOC
-- 
1.7.10.4

[PATCH V6 02/11] soc: mediatek: PMIC wrap: don't duplicate the wrapper data

[John Crispin]

As we add support for more devices struct pmic_wrapper_type will grow and
we do not really want to start duplicating all the elements in
struct pmic_wrapper.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/soc/mediatek/mtk-pmic-wrap.c |   22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 0d9b19a..340c4b5 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -376,9 +376,7 @@ struct pmic_wrapper {
 	struct device *dev;
 	void __iomem *base;
 	struct regmap *regmap;
-	int *regs;
-	enum pwrap_type type;
-	u32 arb_en_all;
+	const struct pmic_wrapper_type *master;
 	struct clk *clk_spi;
 	struct clk *clk_wrap;
 	struct reset_control *rstc;
@@ -389,22 +387,22 @@ struct pmic_wrapper {
 
 static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
 {
-	return wrp->type == PWRAP_MT8135;
+	return wrp->master->type == PWRAP_MT8135;
 }
 
 static inline int pwrap_is_mt8173(struct pmic_wrapper *wrp)
 {
-	return wrp->type == PWRAP_MT8173;
+	return wrp->master->type == PWRAP_MT8173;
 }
 
 static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg)
 {
-	return readl(wrp->base + wrp->regs[reg]);
+	return readl(wrp->base + wrp->master->regs[reg]);
 }
 
 static void pwrap_writel(struct pmic_wrapper *wrp, u32 val, enum pwrap_regs reg)
 {
-	writel(val, wrp->base + wrp->regs[reg]);
+	writel(val, wrp->base + wrp->master->regs[reg]);
 }
 
 static bool pwrap_is_fsm_idle(struct pmic_wrapper *wrp)
@@ -697,7 +695,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 
 	pwrap_writel(wrp, 1, PWRAP_WRAP_EN);
 
-	pwrap_writel(wrp, wrp->arb_en_all, PWRAP_HIPRIO_ARB_EN);
+	pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
 
 	pwrap_writel(wrp, 1, PWRAP_WACS2_EN);
 
@@ -742,7 +740,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 0x1, PWRAP_CRC_EN);
 	pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE);
 	pwrap_writel(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR);
-	pwrap_writel(wrp, wrp->arb_en_all, PWRAP_HIPRIO_ARB_EN);
+	pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
 
 	if (pwrap_is_mt8135(wrp))
 		pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN);
@@ -836,7 +834,6 @@ static int pwrap_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	const struct of_device_id *of_id =
 		of_match_device(of_pwrap_match_tbl, &pdev->dev);
-	const struct pmic_wrapper_type *type;
 	struct resource *res;
 
 	wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL);
@@ -845,10 +842,7 @@ static int pwrap_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, wrp);
 
-	type = of_id->data;
-	wrp->regs = type->regs;
-	wrp->type = type->type;
-	wrp->arb_en_all = type->arb_en_all;
+	wrp->master = of_id->data;
 	wrp->dev = &pdev->dev;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap");
-- 
1.7.10.4

[PATCH V6 03/11] soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock

[John Crispin]

Split init_reg_clock up into SoC specific callbacks. The patch also
reorders the code to avoid the need for callback function prototypes.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/soc/mediatek/mtk-pmic-wrap.c |   70 ++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 32 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 340c4b5..b22b664 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -354,24 +354,6 @@ enum pwrap_type {
 	PWRAP_MT8173,
 };
 
-struct pmic_wrapper_type {
-	int *regs;
-	enum pwrap_type type;
-	u32 arb_en_all;
-};
-
-static struct pmic_wrapper_type pwrap_mt8135 = {
-	.regs = mt8135_regs,
-	.type = PWRAP_MT8135,
-	.arb_en_all = 0x1ff,
-};
-
-static struct pmic_wrapper_type pwrap_mt8173 = {
-	.regs = mt8173_regs,
-	.type = PWRAP_MT8173,
-	.arb_en_all = 0x3f,
-};
-
 struct pmic_wrapper {
 	struct device *dev;
 	void __iomem *base;
@@ -385,6 +367,13 @@ struct pmic_wrapper {
 	void __iomem *bridge_base;
 };
 
+struct pmic_wrapper_type {
+	int *regs;
+	enum pwrap_type type;
+	u32 arb_en_all;
+	int (*init_reg_clock)(struct pmic_wrapper *wrp);
+};
+
 static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
 {
 	return wrp->master->type == PWRAP_MT8135;
@@ -578,20 +567,23 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp)
 	return 0;
 }
 
-static int pwrap_init_reg_clock(struct pmic_wrapper *wrp)
+static int pwrap_mt8135_init_reg_clock(struct pmic_wrapper *wrp)
 {
-	if (pwrap_is_mt8135(wrp)) {
-		pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
-		pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
-		pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
-		pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
-		pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
-	} else {
-		pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
-		pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
-		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
-		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
-	}
+	pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
+	pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+	pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+	pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
+	pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
+
+	return 0;
+}
+
+static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp)
+{
+	pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+	pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+	pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+	pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
 
 	return 0;
 }
@@ -699,7 +691,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 
 	pwrap_writel(wrp, 1, PWRAP_WACS2_EN);
 
-	ret = pwrap_init_reg_clock(wrp);
+	ret = wrp->master->init_reg_clock(wrp);
 	if (ret)
 		return ret;
 
@@ -814,6 +806,20 @@ static const struct regmap_config pwrap_regmap_config = {
 	.max_register = 0xffff,
 };
 
+static struct pmic_wrapper_type pwrap_mt8135 = {
+	.regs = mt8135_regs,
+	.type = PWRAP_MT8135,
+	.arb_en_all = 0x1ff,
+	.init_reg_clock = pwrap_mt8135_init_reg_clock,
+};
+
+static struct pmic_wrapper_type pwrap_mt8173 = {
+	.regs = mt8173_regs,
+	.type = PWRAP_MT8173,
+	.arb_en_all = 0x3f,
+	.init_reg_clock = pwrap_mt8173_init_reg_clock,
+};
+
 static struct of_device_id of_pwrap_match_tbl[] = {
 	{
 		.compatible = "mediatek,mt8135-pwrap",
-- 
1.7.10.4

[PATCH V6 04/11] soc: mediatek: PMIC wrap: split SoC specific init into callback

[John Crispin]

This patch moves the SoC specific wrapper init code into separate callback
to avoid pwrap_init() getting too large. This is done by adding a new
element called init_special to pmic_wrapper_type. Each currently supported
SoC gets its own version of the callback and we copy the code that was
previously inside pwrap_init() to these new callbacks. Finally we point the
2 instances of pmic_wrapper_type at the 2 new functions.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V6
* make the description verbose
* rename init_special to init_soc_specifc

Changes in V5
* only check the return code of init_special() if the function is
  actually called

 drivers/soc/mediatek/mtk-pmic-wrap.c |   67 +++++++++++++++++++++-------------
 1 file changed, 42 insertions(+), 25 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index b22b664..22c89e9 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -372,6 +372,7 @@ struct pmic_wrapper_type {
 	enum pwrap_type type;
 	u32 arb_en_all;
 	int (*init_reg_clock)(struct pmic_wrapper *wrp);
+	int (*init_soc_specific)(struct pmic_wrapper *wrp);
 };
 
 static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
@@ -665,6 +666,41 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	return 0;
 }
 
+static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
+{
+	/* enable pwrap events and pwrap bridge in AP side */
+	pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
+	pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
+	writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
+	writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
+	writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
+	writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
+	writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
+	writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
+	writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
+
+	/* enable PMIC event out and sources */
+	if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
+		pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
+		dev_err(wrp->dev, "enable dewrap fail\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp)
+{
+	/* PMIC_DEWRAP enables */
+	if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
+		pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
+		dev_err(wrp->dev, "enable dewrap fail\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
 static int pwrap_init(struct pmic_wrapper *wrp)
 {
 	int ret;
@@ -743,31 +779,10 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD);
 	pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN);
 
-	if (pwrap_is_mt8135(wrp)) {
-		/* enable pwrap events and pwrap bridge in AP side */
-		pwrap_writel(wrp, 0x1, PWRAP_EVENT_IN_EN);
-		pwrap_writel(wrp, 0xffff, PWRAP_EVENT_DST_EN);
-		writel(0x7f, wrp->bridge_base + PWRAP_MT8135_BRIDGE_IORD_ARB_EN);
-		writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS3_EN);
-		writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WACS4_EN);
-		writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_UNIT);
-		writel(0xffff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_WDT_SRC_EN);
-		writel(0x1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_TIMER_EN);
-		writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
-
-		/* enable PMIC event out and sources */
-		if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
-				pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
-			dev_err(wrp->dev, "enable dewrap fail\n");
-			return -EFAULT;
-		}
-	} else {
-		/* PMIC_DEWRAP enables */
-		if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
-				pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
-			dev_err(wrp->dev, "enable dewrap fail\n");
-			return -EFAULT;
-		}
+	if (wrp->master->init_soc_specific) {
+		ret = wrp->master->init_soc_specific(wrp);
+		if (ret)
+			return ret;
 	}
 
 	/* Setup the init done registers */
@@ -811,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
 	.type = PWRAP_MT8135,
 	.arb_en_all = 0x1ff,
 	.init_reg_clock = pwrap_mt8135_init_reg_clock,
+	.init_soc_specific = pwrap_mt8135_init_soc_specific,
 };
 
 static struct pmic_wrapper_type pwrap_mt8173 = {
@@ -818,6 +834,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 	.type = PWRAP_MT8173,
 	.arb_en_all = 0x3f,
 	.init_reg_clock = pwrap_mt8173_init_reg_clock,
+	.init_soc_specific = pwrap_mt8173_init_soc_specific,
 };
 
 static struct of_device_id of_pwrap_match_tbl[] = {
-- 
1.7.10.4

[PATCH V6 05/11] soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for MT2701/7623

[John Crispin]

MT2701 and MT7623 use a different bitmask for PWRAP_INT_EN.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V5
* move the logic invert from call to declaration

 drivers/soc/mediatek/mtk-pmic-wrap.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 22c89e9..9df1135 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -371,6 +371,7 @@ struct pmic_wrapper_type {
 	int *regs;
 	enum pwrap_type type;
 	u32 arb_en_all;
+	u32 int_en_all;
 	int (*init_reg_clock)(struct pmic_wrapper *wrp);
 	int (*init_soc_specific)(struct pmic_wrapper *wrp);
 };
@@ -825,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
 	.regs = mt8135_regs,
 	.type = PWRAP_MT8135,
 	.arb_en_all = 0x1ff,
+	.int_en_all = ~(BIT(31) | BIT(1)),
 	.init_reg_clock = pwrap_mt8135_init_reg_clock,
 	.init_soc_specific = pwrap_mt8135_init_soc_specific,
 };
@@ -833,6 +835,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 	.regs = mt8173_regs,
 	.type = PWRAP_MT8173,
 	.arb_en_all = 0x3f,
+	.int_en_all = ~(BIT(31) | BIT(1)),
 	.init_reg_clock = pwrap_mt8173_init_reg_clock,
 	.init_soc_specific = pwrap_mt8173_init_soc_specific,
 };
@@ -946,7 +949,7 @@ static int pwrap_probe(struct platform_device *pdev)
 			PWRAP_WDT_SRC_MASK_NO_STAUPD : PWRAP_WDT_SRC_MASK_ALL;
 	pwrap_writel(wrp, wdt_src, PWRAP_WDT_SRC_EN);
 	pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN);
-	pwrap_writel(wrp, ~((1 << 31) | (1 << 1)), PWRAP_INT_EN);
+	pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN);
 
 	irq = platform_get_irq(pdev, 0);
 	ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt, IRQF_TRIGGER_HIGH,
-- 
1.7.10.4

[PATCH V6 06/11] soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for MT2701/7623

[John Crispin]

Different SoCs will use different bitmask for the SPI_WRITE command. This
patch defines the bitmask in the pmic_wrapper_type struct. This allows us
to support new SoCs with a different bitmask to the one currently used.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V6
* make the description verbose

Changes in V4
* fix typo in the subject

 drivers/soc/mediatek/mtk-pmic-wrap.c |   11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 9df1135..8ce1bad 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -372,6 +372,7 @@ struct pmic_wrapper_type {
 	enum pwrap_type type;
 	u32 arb_en_all;
 	u32 int_en_all;
+	u32 spi_w;
 	int (*init_reg_clock)(struct pmic_wrapper *wrp);
 	int (*init_soc_specific)(struct pmic_wrapper *wrp);
 };
@@ -511,15 +512,15 @@ static int pwrap_reset_spislave(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 1, PWRAP_MAN_EN);
 	pwrap_writel(wrp, 0, PWRAP_DIO_EN);
 
-	pwrap_writel(wrp, PWRAP_MAN_CMD_SPI_WRITE | PWRAP_MAN_CMD_OP_CSL,
+	pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSL,
 			PWRAP_MAN_CMD);
-	pwrap_writel(wrp, PWRAP_MAN_CMD_SPI_WRITE | PWRAP_MAN_CMD_OP_OUTS,
+	pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS,
 			PWRAP_MAN_CMD);
-	pwrap_writel(wrp, PWRAP_MAN_CMD_SPI_WRITE | PWRAP_MAN_CMD_OP_CSH,
+	pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_CSH,
 			PWRAP_MAN_CMD);
 
 	for (i = 0; i < 4; i++)
-		pwrap_writel(wrp, PWRAP_MAN_CMD_SPI_WRITE | PWRAP_MAN_CMD_OP_OUTS,
+		pwrap_writel(wrp, wrp->master->spi_w | PWRAP_MAN_CMD_OP_OUTS,
 				PWRAP_MAN_CMD);
 
 	ret = pwrap_wait_for_state(wrp, pwrap_is_sync_idle);
@@ -827,6 +828,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
 	.type = PWRAP_MT8135,
 	.arb_en_all = 0x1ff,
 	.int_en_all = ~(BIT(31) | BIT(1)),
+	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
 	.init_reg_clock = pwrap_mt8135_init_reg_clock,
 	.init_soc_specific = pwrap_mt8135_init_soc_specific,
 };
@@ -836,6 +838,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 	.type = PWRAP_MT8173,
 	.arb_en_all = 0x3f,
 	.int_en_all = ~(BIT(31) | BIT(1)),
+	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
 	.init_reg_clock = pwrap_mt8173_init_reg_clock,
 	.init_soc_specific = pwrap_mt8173_init_soc_specific,
 };
-- 
1.7.10.4

[PATCH V6 07/11] soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type struct

[John Crispin]

Different SoCs will use different bitmask for the wdt_src. This patch
defines the bitmask in the pmic_wrapper_type struct. This allows us to
support new SoCs with a different bitmask to the one currently used.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V6
* make the description verbose

 drivers/soc/mediatek/mtk-pmic-wrap.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 8ce1bad..aa54df3 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -373,6 +373,7 @@ struct pmic_wrapper_type {
 	u32 arb_en_all;
 	u32 int_en_all;
 	u32 spi_w;
+	u32 wdt_src;
 	int (*init_reg_clock)(struct pmic_wrapper *wrp);
 	int (*init_soc_specific)(struct pmic_wrapper *wrp);
 };
@@ -829,6 +830,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
 	.arb_en_all = 0x1ff,
 	.int_en_all = ~(BIT(31) | BIT(1)),
 	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
+	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
 	.init_reg_clock = pwrap_mt8135_init_reg_clock,
 	.init_soc_specific = pwrap_mt8135_init_soc_specific,
 };
@@ -839,6 +841,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 	.arb_en_all = 0x3f,
 	.int_en_all = ~(BIT(31) | BIT(1)),
 	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
+	.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
 	.init_reg_clock = pwrap_mt8173_init_reg_clock,
 	.init_soc_specific = pwrap_mt8173_init_soc_specific,
 };
@@ -858,7 +861,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl);
 
 static int pwrap_probe(struct platform_device *pdev)
 {
-	int ret, irq, wdt_src;
+	int ret, irq;
 	struct pmic_wrapper *wrp;
 	struct device_node *np = pdev->dev.of_node;
 	const struct of_device_id *of_id =
@@ -948,9 +951,7 @@ static int pwrap_probe(struct platform_device *pdev)
 	 * Since STAUPD was not used on mt8173 platform,
 	 * so STAUPD of WDT_SRC which should be turned off
 	 */
-	wdt_src = pwrap_is_mt8173(wrp) ?
-			PWRAP_WDT_SRC_MASK_NO_STAUPD : PWRAP_WDT_SRC_MASK_ALL;
-	pwrap_writel(wrp, wdt_src, PWRAP_WDT_SRC_EN);
+	pwrap_writel(wrp, wrp->master->wdt_src, PWRAP_WDT_SRC_EN);
 	pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN);
 	pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN);
 
-- 
1.7.10.4

[PATCH V6 08/11] soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and pwrap_is_mt8173()

[John Crispin]

With more SoCs being added the list of helper functions like these would
grow. To mitigate this problem we remove the existing helpers and change
the code to test against the pmic type stored inside the pmic specific
datastructure that our context structure points at. There is one usage of
pwrap_is_mt8135() that is ambiguous as the test should not be dependent on
mt8135, but rather on the existence of a bridge. Add a new element to
pmic_wrapper_type to indicate if a bridge is present and use this where
appropriate.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V6
* make the description verbose

Changed in V4
* fix 2 typos in the description
* used a bitfiled for the new has_bridge flag

 drivers/soc/mediatek/mtk-pmic-wrap.c |   28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index aa54df3..a2bacda 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -374,20 +374,11 @@ struct pmic_wrapper_type {
 	u32 int_en_all;
 	u32 spi_w;
 	u32 wdt_src;
+	int has_bridge:1;
 	int (*init_reg_clock)(struct pmic_wrapper *wrp);
 	int (*init_soc_specific)(struct pmic_wrapper *wrp);
 };
 
-static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
-{
-	return wrp->master->type == PWRAP_MT8135;
-}
-
-static inline int pwrap_is_mt8173(struct pmic_wrapper *wrp)
-{
-	return wrp->master->type == PWRAP_MT8173;
-}
-
 static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg)
 {
 	return readl(wrp->base + wrp->master->regs[reg]);
@@ -619,11 +610,14 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 0x1, PWRAP_CIPHER_KEY_SEL);
 	pwrap_writel(wrp, 0x2, PWRAP_CIPHER_IV_SEL);
 
-	if (pwrap_is_mt8135(wrp)) {
+	switch (wrp->master->type) {
+	case PWRAP_MT8135:
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_LOAD);
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_START);
-	} else {
+		break;
+	case PWRAP_MT8173:
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);
+		break;
 	}
 
 	/* Config cipher mode @PMIC */
@@ -713,7 +707,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	if (wrp->rstc_bridge)
 		reset_control_reset(wrp->rstc_bridge);
 
-	if (pwrap_is_mt8173(wrp)) {
+	if (wrp->master->type == PWRAP_MT8173) {
 		/* Enable DCM */
 		pwrap_writel(wrp, 3, PWRAP_DCM_EN);
 		pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD);
@@ -773,7 +767,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR);
 	pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN);
 
-	if (pwrap_is_mt8135(wrp))
+	if (wrp->master->type == PWRAP_MT8135)
 		pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN);
 
 	pwrap_writel(wrp, 0x1, PWRAP_WACS0_EN);
@@ -793,7 +787,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 1, PWRAP_INIT_DONE0);
 	pwrap_writel(wrp, 1, PWRAP_INIT_DONE1);
 
-	if (pwrap_is_mt8135(wrp)) {
+	if (wrp->master->has_bridge) {
 		writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3);
 		writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4);
 	}
@@ -831,6 +825,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
 	.int_en_all = ~(BIT(31) | BIT(1)),
 	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
 	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
+	.has_bridge = 1,
 	.init_reg_clock = pwrap_mt8135_init_reg_clock,
 	.init_soc_specific = pwrap_mt8135_init_soc_specific,
 };
@@ -842,6 +837,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 	.int_en_all = ~(BIT(31) | BIT(1)),
 	.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
 	.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
+	.has_bridge = 0,
 	.init_reg_clock = pwrap_mt8173_init_reg_clock,
 	.init_soc_specific = pwrap_mt8173_init_soc_specific,
 };
@@ -889,7 +885,7 @@ static int pwrap_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	if (pwrap_is_mt8135(wrp)) {
+	if (wrp->master->has_bridge) {
 		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 				"pwrap-bridge");
 		wrp->bridge_base = devm_ioremap_resource(wrp->dev, res);
-- 
1.7.10.4

[PATCH V6 09/11] soc: mediatek: PMIC wrap: add a slave specific struct

[John Crispin]

This patch adds a new struct pwrap_slv_type that we use to store the slave
specific data. The patch adds 2 new helper functions to access the dew
registers. The slave type is looked up via the wrappers child node.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
Changes in V6
* put mt6397 specific dew registers in their own paragraph

Changes in V5
* drop the dew i/o wrappers

Changed in V4
* drop unused MT8173 specifc variable declarations

 drivers/soc/mediatek/mtk-pmic-wrap.c |  159 ++++++++++++++++++++++++----------
 1 file changed, 112 insertions(+), 47 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index a2bacda..bcc841e 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -69,33 +69,54 @@
 					  PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \
 					  PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE)
 
-/* macro for slave device wrapper registers */
-#define PWRAP_DEW_BASE			0xbc00
-#define PWRAP_DEW_EVENT_OUT_EN		(PWRAP_DEW_BASE + 0x0)
-#define PWRAP_DEW_DIO_EN		(PWRAP_DEW_BASE + 0x2)
-#define PWRAP_DEW_EVENT_SRC_EN		(PWRAP_DEW_BASE + 0x4)
-#define PWRAP_DEW_EVENT_SRC		(PWRAP_DEW_BASE + 0x6)
-#define PWRAP_DEW_EVENT_FLAG		(PWRAP_DEW_BASE + 0x8)
-#define PWRAP_DEW_READ_TEST		(PWRAP_DEW_BASE + 0xa)
-#define PWRAP_DEW_WRITE_TEST		(PWRAP_DEW_BASE + 0xc)
-#define PWRAP_DEW_CRC_EN		(PWRAP_DEW_BASE + 0xe)
-#define PWRAP_DEW_CRC_VAL		(PWRAP_DEW_BASE + 0x10)
-#define PWRAP_DEW_MON_GRP_SEL		(PWRAP_DEW_BASE + 0x12)
-#define PWRAP_DEW_MON_FLAG_SEL		(PWRAP_DEW_BASE + 0x14)
-#define PWRAP_DEW_EVENT_TEST		(PWRAP_DEW_BASE + 0x16)
-#define PWRAP_DEW_CIPHER_KEY_SEL	(PWRAP_DEW_BASE + 0x18)
-#define PWRAP_DEW_CIPHER_IV_SEL		(PWRAP_DEW_BASE + 0x1a)
-#define PWRAP_DEW_CIPHER_LOAD		(PWRAP_DEW_BASE + 0x1c)
-#define PWRAP_DEW_CIPHER_START		(PWRAP_DEW_BASE + 0x1e)
-#define PWRAP_DEW_CIPHER_RDY		(PWRAP_DEW_BASE + 0x20)
-#define PWRAP_DEW_CIPHER_MODE		(PWRAP_DEW_BASE + 0x22)
-#define PWRAP_DEW_CIPHER_SWRST		(PWRAP_DEW_BASE + 0x24)
-#define PWRAP_MT8173_DEW_CIPHER_IV0	(PWRAP_DEW_BASE + 0x26)
-#define PWRAP_MT8173_DEW_CIPHER_IV1	(PWRAP_DEW_BASE + 0x28)
-#define PWRAP_MT8173_DEW_CIPHER_IV2	(PWRAP_DEW_BASE + 0x2a)
-#define PWRAP_MT8173_DEW_CIPHER_IV3	(PWRAP_DEW_BASE + 0x2c)
-#define PWRAP_MT8173_DEW_CIPHER_IV4	(PWRAP_DEW_BASE + 0x2e)
-#define PWRAP_MT8173_DEW_CIPHER_IV5	(PWRAP_DEW_BASE + 0x30)
+/* defines for slave device wrapper registers */
+enum dew_regs {
+	PWRAP_DEW_BASE,
+	PWRAP_DEW_DIO_EN,
+	PWRAP_DEW_READ_TEST,
+	PWRAP_DEW_WRITE_TEST,
+	PWRAP_DEW_CRC_EN,
+	PWRAP_DEW_CRC_VAL,
+	PWRAP_DEW_MON_GRP_SEL,
+	PWRAP_DEW_CIPHER_KEY_SEL,
+	PWRAP_DEW_CIPHER_IV_SEL,
+	PWRAP_DEW_CIPHER_RDY,
+	PWRAP_DEW_CIPHER_MODE,
+	PWRAP_DEW_CIPHER_SWRST,
+
+	/* MT6397 only regs */
+	PWRAP_DEW_EVENT_OUT_EN,
+	PWRAP_DEW_EVENT_SRC_EN,
+	PWRAP_DEW_EVENT_SRC,
+	PWRAP_DEW_EVENT_FLAG,
+	PWRAP_DEW_MON_FLAG_SEL,
+	PWRAP_DEW_EVENT_TEST,
+	PWRAP_DEW_CIPHER_LOAD,
+	PWRAP_DEW_CIPHER_START,
+};
+
+static const u32 mt6397_regs[] = {
+	[PWRAP_DEW_BASE] =		0xbc00,
+	[PWRAP_DEW_EVENT_OUT_EN] =	0xbc00,
+	[PWRAP_DEW_DIO_EN] =		0xbc02,
+	[PWRAP_DEW_EVENT_SRC_EN] =	0xbc04,
+	[PWRAP_DEW_EVENT_SRC] =		0xbc06,
+	[PWRAP_DEW_EVENT_FLAG] =	0xbc08,
+	[PWRAP_DEW_READ_TEST] =		0xbc0a,
+	[PWRAP_DEW_WRITE_TEST] =	0xbc0c,
+	[PWRAP_DEW_CRC_EN] =		0xbc0e,
+	[PWRAP_DEW_CRC_VAL] =		0xbc10,
+	[PWRAP_DEW_MON_GRP_SEL] =	0xbc12,
+	[PWRAP_DEW_MON_FLAG_SEL] =	0xbc14,
+	[PWRAP_DEW_EVENT_TEST] =	0xbc16,
+	[PWRAP_DEW_CIPHER_KEY_SEL] =	0xbc18,
+	[PWRAP_DEW_CIPHER_IV_SEL] =	0xbc1a,
+	[PWRAP_DEW_CIPHER_LOAD] =	0xbc1c,
+	[PWRAP_DEW_CIPHER_START] =	0xbc1e,
+	[PWRAP_DEW_CIPHER_RDY] =	0xbc20,
+	[PWRAP_DEW_CIPHER_MODE] =	0xbc22,
+	[PWRAP_DEW_CIPHER_SWRST] =	0xbc24,
+};
 
 enum pwrap_regs {
 	PWRAP_MUX_SEL,
@@ -349,16 +370,26 @@ static int mt8135_regs[] = {
 	[PWRAP_DCM_DBC_PRD] =		0x160,
 };
 
+enum pmic_type {
+	PMIC_MT6397,
+};
+
 enum pwrap_type {
 	PWRAP_MT8135,
 	PWRAP_MT8173,
 };
 
+struct pwrap_slv_type {
+	const u32 *dew_regs;
+	enum pmic_type type;
+};
+
 struct pmic_wrapper {
 	struct device *dev;
 	void __iomem *base;
 	struct regmap *regmap;
 	const struct pmic_wrapper_type *master;
+	const struct pwrap_slv_type *slave;
 	struct clk *clk_spi;
 	struct clk *clk_wrap;
 	struct reset_control *rstc;
@@ -544,7 +575,8 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp)
 
 	for (i = 0; i < 4; i++) {
 		pwrap_writel(wrp, i, PWRAP_SIDLY);
-		pwrap_read(wrp, PWRAP_DEW_READ_TEST, &rdata);
+		pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_READ_TEST],
+			   &rdata);
 		if (rdata == PWRAP_DEW_READ_TEST_VAL) {
 			dev_dbg(wrp->dev, "[Read Test] pass, SIDLY=%x\n", i);
 			pass |= 1 << i;
@@ -593,7 +625,8 @@ static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp)
 	u32 rdata;
 	int ret;
 
-	ret = pwrap_read(wrp, PWRAP_DEW_CIPHER_RDY, &rdata);
+	ret = pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_RDY],
+			 &rdata);
 	if (ret)
 		return 0;
 
@@ -621,12 +654,12 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	}
 
 	/* Config cipher mode @PMIC */
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_SWRST, 0x1);
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_SWRST, 0x0);
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_KEY_SEL, 0x1);
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_IV_SEL, 0x2);
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_LOAD, 0x1);
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_START, 0x1);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x1);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x0);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_KEY_SEL], 0x1);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_IV_SEL], 0x2);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);
 
 	/* wait for cipher data ready at AP */
 	ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
@@ -643,7 +676,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	}
 
 	/* wait for cipher mode idle */
-	pwrap_write(wrp, PWRAP_DEW_CIPHER_MODE, 0x1);
+	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_MODE], 0x1);
 	ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle);
 	if (ret) {
 		dev_err(wrp->dev, "cipher mode idle fail, ret=%d\n", ret);
@@ -653,9 +686,11 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 1, PWRAP_CIPHER_MODE);
 
 	/* Write Test */
-	if (pwrap_write(wrp, PWRAP_DEW_WRITE_TEST, PWRAP_DEW_WRITE_TEST_VAL) ||
-	    pwrap_read(wrp, PWRAP_DEW_WRITE_TEST, &rdata) ||
-			(rdata != PWRAP_DEW_WRITE_TEST_VAL)) {
+	if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST],
+			PWRAP_DEW_WRITE_TEST_VAL) ||
+	    pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_WRITE_TEST],
+		       &rdata) ||
+	    (rdata != PWRAP_DEW_WRITE_TEST_VAL)) {
 		dev_err(wrp->dev, "rdata=0x%04X\n", rdata);
 		return -EFAULT;
 	}
@@ -677,8 +712,10 @@ static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
 	writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN);
 
 	/* enable PMIC event out and sources */
-	if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
-		pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
+	if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN],
+			0x1) ||
+	    pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN],
+			0xffff)) {
 		dev_err(wrp->dev, "enable dewrap fail\n");
 		return -EFAULT;
 	}
@@ -689,8 +726,10 @@ static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp)
 static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp)
 {
 	/* PMIC_DEWRAP enables */
-	if (pwrap_write(wrp, PWRAP_DEW_EVENT_OUT_EN, 0x1) ||
-		pwrap_write(wrp, PWRAP_DEW_EVENT_SRC_EN, 0xffff)) {
+	if (pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_OUT_EN],
+			0x1) ||
+	    pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_EVENT_SRC_EN],
+			0xffff)) {
 		dev_err(wrp->dev, "enable dewrap fail\n");
 		return -EFAULT;
 	}
@@ -734,7 +773,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 		return ret;
 
 	/* Enable dual IO mode */
-	pwrap_write(wrp, PWRAP_DEW_DIO_EN, 1);
+	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);
@@ -746,7 +785,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 	pwrap_writel(wrp, 1, PWRAP_DIO_EN);
 
 	/* Read Test */
-	pwrap_read(wrp, PWRAP_DEW_READ_TEST, &rdata);
+	pwrap_read(wrp, wrp->slave->dew_regs[PWRAP_DEW_READ_TEST], &rdata);
 	if (rdata != PWRAP_DEW_READ_TEST_VAL) {
 		dev_err(wrp->dev, "Read test failed after switch to DIO mode: 0x%04x != 0x%04x\n",
 				PWRAP_DEW_READ_TEST_VAL, rdata);
@@ -759,12 +798,13 @@ static int pwrap_init(struct pmic_wrapper *wrp)
 		return ret;
 
 	/* Signature checking - using CRC */
-	if (pwrap_write(wrp, PWRAP_DEW_CRC_EN, 0x1))
+	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, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR);
+	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)
@@ -818,6 +858,21 @@ static const struct regmap_config pwrap_regmap_config = {
 	.max_register = 0xffff,
 };
 
+static const struct pwrap_slv_type pmic_mt6397 = {
+	.dew_regs = mt6397_regs,
+	.type = PMIC_MT6397,
+};
+
+static const struct of_device_id of_slave_match_tbl[] = {
+	{
+		.compatible = "mediatek,mt6397",
+		.data = &pmic_mt6397,
+	}, {
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(of, of_slave_match_tbl);
+
 static struct pmic_wrapper_type pwrap_mt8135 = {
 	.regs = mt8135_regs,
 	.type = PWRAP_MT8135,
@@ -862,8 +917,17 @@ static int pwrap_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	const struct of_device_id *of_id =
 		of_match_device(of_pwrap_match_tbl, &pdev->dev);
+	const struct of_device_id *of_slave_id = NULL;
 	struct resource *res;
 
+	if (pdev->dev.of_node->child)
+		of_slave_id = of_match_node(of_slave_match_tbl,
+					    pdev->dev.of_node->child);
+	if (!of_slave_id) {
+		dev_dbg(&pdev->dev, "slave pmic should be defined in dts\n");
+		return -EINVAL;
+	}
+
 	wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL);
 	if (!wrp)
 		return -ENOMEM;
@@ -871,6 +935,7 @@ static int pwrap_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, wrp);
 
 	wrp->master = of_id->data;
+	wrp->slave = of_slave_id->data;
 	wrp->dev = &pdev->dev;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap");
-- 
1.7.10.4

[PATCH V6 10/11] soc: mediatek: PMIC wrap: add mt6323 slave support

[John Crispin]

Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
EVB. The only function that we need to touch is pwrap_init_cipher().

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/soc/mediatek/mtk-pmic-wrap.c |   43 ++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index bcc841e..0e4ebb8 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -93,6 +93,27 @@ enum dew_regs {
 	PWRAP_DEW_EVENT_TEST,
 	PWRAP_DEW_CIPHER_LOAD,
 	PWRAP_DEW_CIPHER_START,
+
+	/* MT6323 only regs */
+	PWRAP_DEW_CIPHER_EN,
+	PWRAP_DEW_RDDMY_NO,
+};
+
+static const u32 mt6323_regs[] = {
+	[PWRAP_DEW_BASE] =		0x0000,
+	[PWRAP_DEW_DIO_EN] =		0x018a,
+	[PWRAP_DEW_READ_TEST] =		0x018c,
+	[PWRAP_DEW_WRITE_TEST] =	0x018e,
+	[PWRAP_DEW_CRC_EN] =		0x0192,
+	[PWRAP_DEW_CRC_VAL] =		0x0194,
+	[PWRAP_DEW_MON_GRP_SEL] =	0x0196,
+	[PWRAP_DEW_CIPHER_KEY_SEL] =	0x0198,
+	[PWRAP_DEW_CIPHER_IV_SEL] =	0x019a,
+	[PWRAP_DEW_CIPHER_EN] =		0x019c,
+	[PWRAP_DEW_CIPHER_RDY] =	0x019e,
+	[PWRAP_DEW_CIPHER_MODE] =	0x01a0,
+	[PWRAP_DEW_CIPHER_SWRST] =	0x01a2,
+	[PWRAP_DEW_RDDMY_NO] =		0x01a4,
 };
 
 static const u32 mt6397_regs[] = {
@@ -371,6 +392,7 @@ static int mt8135_regs[] = {
 };
 
 enum pmic_type {
+	PMIC_MT6323,
 	PMIC_MT6397,
 };
 
@@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);
 	pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);
 
+	switch (wrp->slave->type) {
+	case PMIC_MT6397:
+		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],
+			    0x1);
+		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],
+			    0x1);
+		break;
+	case PMIC_MT6323:
+		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
+			    0x1);
+		break;
+	}
+
 	/* wait for cipher data ready at AP */
 	ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
 	if (ret) {
@@ -858,6 +893,11 @@ static const struct regmap_config pwrap_regmap_config = {
 	.max_register = 0xffff,
 };
 
+static const struct pwrap_slv_type pmic_mt6323 = {
+	.dew_regs = mt6323_regs,
+	.type = PMIC_MT6323,
+};
+
 static const struct pwrap_slv_type pmic_mt6397 = {
 	.dew_regs = mt6397_regs,
 	.type = PMIC_MT6397,
@@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_mt6397 = {
 
 static const struct of_device_id of_slave_match_tbl[] = {
 	{
+		.compatible = "mediatek,mt6323",
+		.data = &pmic_mt6323,
+	}, {
 		.compatible = "mediatek,mt6397",
 		.data = &pmic_mt6397,
 	}, {
-- 
1.7.10.4

[PATCH V6 11/11] soc: mediatek: PMIC wrap: add MT2701/7623 support

[John Crispin]

Add the registers, callbacks and data structures required to make the
wrapper work on MT2701 and MT7623.

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/soc/mediatek/mtk-pmic-wrap.c |  154 ++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 0e4ebb8..3c3e56d 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -52,6 +52,7 @@
 #define PWRAP_DEW_WRITE_TEST_VAL	0xa55a
 
 /* macro for manual command */
+#define PWRAP_MAN_CMD_SPI_WRITE_NEW	(1 << 14)
 #define PWRAP_MAN_CMD_SPI_WRITE		(1 << 13)
 #define PWRAP_MAN_CMD_OP_CSH		(0x0 << 8)
 #define PWRAP_MAN_CMD_OP_CSL		(0x1 << 8)
@@ -200,6 +201,13 @@ enum pwrap_regs {
 	PWRAP_DCM_EN,
 	PWRAP_DCM_DBC_PRD,
 
+	/* MT2701 only regs */
+	PWRAP_ADC_CMD_ADDR,
+	PWRAP_PWRAP_ADC_CMD,
+	PWRAP_ADC_RDY_ADDR,
+	PWRAP_ADC_RDATA_ADDR1,
+	PWRAP_ADC_RDATA_ADDR2,
+
 	/* MT8135 only regs */
 	PWRAP_CSHEXT,
 	PWRAP_EVENT_IN_EN,
@@ -236,6 +244,92 @@ enum pwrap_regs {
 	PWRAP_CIPHER_EN,
 };
 
+static int mt2701_regs[] = {
+	[PWRAP_MUX_SEL] =		0x0,
+	[PWRAP_WRAP_EN] =		0x4,
+	[PWRAP_DIO_EN] =		0x8,
+	[PWRAP_SIDLY] =			0xc,
+	[PWRAP_RDDMY] =			0x18,
+	[PWRAP_SI_CK_CON] =		0x1c,
+	[PWRAP_CSHEXT_WRITE] =		0x20,
+	[PWRAP_CSHEXT_READ] =		0x24,
+	[PWRAP_CSLEXT_START] =		0x28,
+	[PWRAP_CSLEXT_END] =		0x2c,
+	[PWRAP_STAUPD_PRD] =		0x30,
+	[PWRAP_STAUPD_GRPEN] =		0x34,
+	[PWRAP_STAUPD_MAN_TRIG] =	0x38,
+	[PWRAP_STAUPD_STA] =		0x3c,
+	[PWRAP_WRAP_STA] =		0x44,
+	[PWRAP_HARB_INIT] =		0x48,
+	[PWRAP_HARB_HPRIO] =		0x4c,
+	[PWRAP_HIPRIO_ARB_EN] =		0x50,
+	[PWRAP_HARB_STA0] =		0x54,
+	[PWRAP_HARB_STA1] =		0x58,
+	[PWRAP_MAN_EN] =		0x5c,
+	[PWRAP_MAN_CMD] =		0x60,
+	[PWRAP_MAN_RDATA] =		0x64,
+	[PWRAP_MAN_VLDCLR] =		0x68,
+	[PWRAP_WACS0_EN] =		0x6c,
+	[PWRAP_INIT_DONE0] =		0x70,
+	[PWRAP_WACS0_CMD] =		0x74,
+	[PWRAP_WACS0_RDATA] =		0x78,
+	[PWRAP_WACS0_VLDCLR] =		0x7c,
+	[PWRAP_WACS1_EN] =		0x80,
+	[PWRAP_INIT_DONE1] =		0x84,
+	[PWRAP_WACS1_CMD] =		0x88,
+	[PWRAP_WACS1_RDATA] =		0x8c,
+	[PWRAP_WACS1_VLDCLR] =		0x90,
+	[PWRAP_WACS2_EN] =		0x94,
+	[PWRAP_INIT_DONE2] =		0x98,
+	[PWRAP_WACS2_CMD] =		0x9c,
+	[PWRAP_WACS2_RDATA] =		0xa0,
+	[PWRAP_WACS2_VLDCLR] =		0xa4,
+	[PWRAP_INT_EN] =		0xa8,
+	[PWRAP_INT_FLG_RAW] =		0xac,
+	[PWRAP_INT_FLG] =		0xb0,
+	[PWRAP_INT_CLR] =		0xb4,
+	[PWRAP_SIG_ADR] =		0xb8,
+	[PWRAP_SIG_MODE] =		0xbc,
+	[PWRAP_SIG_VALUE] =		0xc0,
+	[PWRAP_SIG_ERRVAL] =		0xc4,
+	[PWRAP_CRC_EN] =		0xc8,
+	[PWRAP_TIMER_EN] =		0xcc,
+	[PWRAP_TIMER_STA] =		0xd0,
+	[PWRAP_WDT_UNIT] =		0xd4,
+	[PWRAP_WDT_SRC_EN] =		0xd8,
+	[PWRAP_WDT_FLG] =		0xdc,
+	[PWRAP_DEBUG_INT_SEL] =		0xe0,
+	[PWRAP_DVFS_ADR0] =		0xe4,
+	[PWRAP_DVFS_WDATA0] =		0xe8,
+	[PWRAP_DVFS_ADR1] =		0xec,
+	[PWRAP_DVFS_WDATA1] =		0xf0,
+	[PWRAP_DVFS_ADR2] =		0xf4,
+	[PWRAP_DVFS_WDATA2] =		0xf8,
+	[PWRAP_DVFS_ADR3] =		0xfc,
+	[PWRAP_DVFS_WDATA3] =		0x100,
+	[PWRAP_DVFS_ADR4] =		0x104,
+	[PWRAP_DVFS_WDATA4] =		0x108,
+	[PWRAP_DVFS_ADR5] =		0x10c,
+	[PWRAP_DVFS_WDATA5] =		0x110,
+	[PWRAP_DVFS_ADR6] =		0x114,
+	[PWRAP_DVFS_WDATA6] =		0x118,
+	[PWRAP_DVFS_ADR7] =		0x11c,
+	[PWRAP_DVFS_WDATA7] =		0x120,
+	[PWRAP_CIPHER_KEY_SEL] =	0x124,
+	[PWRAP_CIPHER_IV_SEL] =		0x128,
+	[PWRAP_CIPHER_EN] =		0x12c,
+	[PWRAP_CIPHER_RDY] =		0x130,
+	[PWRAP_CIPHER_MODE] =		0x134,
+	[PWRAP_CIPHER_SWRST] =		0x138,
+	[PWRAP_DCM_EN] =		0x13c,
+	[PWRAP_DCM_DBC_PRD] =		0x140,
+	[PWRAP_ADC_CMD_ADDR] =		0x144,
+	[PWRAP_PWRAP_ADC_CMD] =		0x148,
+	[PWRAP_ADC_RDY_ADDR] =		0x14c,
+	[PWRAP_ADC_RDATA_ADDR1] =	0x150,
+	[PWRAP_ADC_RDATA_ADDR2] =	0x154,
+};
+
 static int mt8173_regs[] = {
 	[PWRAP_MUX_SEL] =		0x0,
 	[PWRAP_WRAP_EN] =		0x4,
@@ -397,6 +491,7 @@ enum pmic_type {
 };
 
 enum pwrap_type {
+	PWRAP_MT2701,
 	PWRAP_MT8135,
 	PWRAP_MT8173,
 };
@@ -637,6 +732,31 @@ static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp)
 	return 0;
 }
 
+static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp)
+{
+	switch (wrp->slave->type) {
+	case PMIC_MT6397:
+		pwrap_writel(wrp, 0xc, PWRAP_RDDMY);
+		pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_WRITE);
+		pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_READ);
+		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
+		break;
+
+	case PMIC_MT6323:
+		pwrap_writel(wrp, 0x8, PWRAP_RDDMY);
+		pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_RDDMY_NO],
+			    0x8);
+		pwrap_writel(wrp, 0x5, PWRAP_CSHEXT_WRITE);
+		pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_READ);
+		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
+		pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
+		break;
+	}
+
+	return 0;
+}
+
 static bool pwrap_is_cipher_ready(struct pmic_wrapper *wrp)
 {
 	return pwrap_readl(wrp, PWRAP_CIPHER_RDY) & 1;
@@ -670,6 +790,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_LOAD);
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_START);
 		break;
+	case PWRAP_MT2701:
 	case PWRAP_MT8173:
 		pwrap_writel(wrp, 1, PWRAP_CIPHER_EN);
 		break;
@@ -772,6 +893,24 @@ static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp)
 	return 0;
 }
 
+static int pwrap_mt2701_init_soc_specific(struct pmic_wrapper *wrp)
+{
+	/* GPS_INTF initialization */
+	switch (wrp->slave->type) {
+	case PMIC_MT6323:
+		pwrap_writel(wrp, 0x076c, PWRAP_ADC_CMD_ADDR);
+		pwrap_writel(wrp, 0x8000, PWRAP_PWRAP_ADC_CMD);
+		pwrap_writel(wrp, 0x072c, PWRAP_ADC_RDY_ADDR);
+		pwrap_writel(wrp, 0x072e, PWRAP_ADC_RDATA_ADDR1);
+		pwrap_writel(wrp, 0x0730, PWRAP_ADC_RDATA_ADDR2);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
 static int pwrap_init(struct pmic_wrapper *wrp)
 {
 	int ret;
@@ -916,6 +1055,18 @@ static const struct of_device_id of_slave_match_tbl[] = {
 };
 MODULE_DEVICE_TABLE(of, of_slave_match_tbl);
 
+static const struct pmic_wrapper_type pwrap_mt2701 = {
+	.regs = mt2701_regs,
+	.type = PWRAP_MT2701,
+	.arb_en_all = 0x3f,
+	.int_en_all = ~(BIT(31) | BIT(2)),
+	.spi_w = PWRAP_MAN_CMD_SPI_WRITE_NEW,
+	.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
+	.has_bridge = 0,
+	.init_reg_clock = pwrap_mt2701_init_reg_clock,
+	.init_soc_specific = pwrap_mt2701_init_soc_specific,
+};
+
 static struct pmic_wrapper_type pwrap_mt8135 = {
 	.regs = mt8135_regs,
 	.type = PWRAP_MT8135,
@@ -942,6 +1093,9 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
 
 static struct of_device_id of_pwrap_match_tbl[] = {
 	{
+		.compatible = "mediatek,mt2701-pwrap",
+		.data = &pwrap_mt2701,
+	}, {
 		.compatible = "mediatek,mt8135-pwrap",
 		.data = &pwrap_mt8135,
 	}, {
-- 
1.7.10.4

[PATCH V6 00/11] soc: mediatek: PMIC wrap: add MT6323/2701/7623 support

[Matthias Brugger]

On 19/02/16 09:44, John Crispin wrote:
> This series adds support for the MT6323 PMIC and the MT2701/7623 SoC.
> MT6323 is slightly different to the already supported PMIC. This series
> makes a few changes to the code to allow easy addition of the new PMIC
> and SoCs.
>
> Changes in V6
> * 4/11 - make description verbose and rename init_special
> * 6/11 - make description verbose
> * 7/11 - make description verbose
> * 8/11 - make description verbose
> * 9/11 - put mt6397 specific dew registers in their own paragraph
>
>
> John Crispin (11):
>    dt-bindings: ARM: Mediatek: add MT2701/7623 string to the PMIC
>      wrapper doc
>    soc: mediatek: PMIC wrap: don't duplicate the wrapper data
>    soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock
>    soc: mediatek: PMIC wrap: split SoC specific init into callback
>    soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for
>      MT2701/7623
>    soc: mediatek: PMIC wrap: SPI_WRITE needs a different bitmask for
>      MT2701/7623
>    soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type
>      struct
>    soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and
>      pwrap_is_mt8173()
>    soc: mediatek: PMIC wrap: add a slave specific struct
>    soc: mediatek: PMIC wrap: add mt6323 slave support
>    soc: mediatek: PMIC wrap: add MT2701/7623 support
>
>   .../devicetree/bindings/soc/mediatek/pwrap.txt     |    1 +
>   drivers/soc/mediatek/mtk-pmic-wrap.c               |  544 +++++++++++++++-----
>   2 files changed, 414 insertions(+), 131 deletions(-)
>

Applied, thanks!