mediatek: bump to v4.4
[openwrt.git] / target / linux / mediatek / patches-4.4 / 0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch
diff --git a/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch b/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch
new file mode 100644 (file)
index 0000000..77f46e7
--- /dev/null
@@ -0,0 +1,98 @@
+From b82474df3eb9fad739b2b74301b68f71011a9dc7 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 20 Jan 2016 11:40:43 +0100
+Subject: [PATCH 40/53] soc: mediatek: PMIC wrap: add mt6323 slave support
+
+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@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
+