+++ /dev/null
-From 21bdcd324f769545b1765fe391d939a1edd07cbb Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Wed, 20 Jan 2016 09:55:08 +0100
-Subject: [PATCH 039/102] soc: mediatek: PMIC wrap: add a slave specific
- struct
-
-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>
----
- drivers/soc/mediatek/mtk-pmic-wrap.c | 159 ++++++++++++++++++++++++----------
- 1 file changed, 112 insertions(+), 47 deletions(-)
-
---- 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_
-
- 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(s
- 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
- }
-
- /* 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@AP */
- ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
-@@ -643,7 +676,7 @@ static int pwrap_init_cipher(struct pmic
- }
-
- /* 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
- 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_specifi
- 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_specifi
- 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_wrappe
- 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_wrappe
- 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_wrappe
- 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_
- .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_d
- 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_d
- 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");
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