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99 lines
2.8 KiB
Diff
99 lines
2.8 KiB
Diff
From 2ff8338c16c86856fc6e3f636cf0df9a2562bc95 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 20 Jan 2016 11:40:43 +0100
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Subject: [PATCH 40/90] soc: mediatek: PMIC wrap: add mt6323 slave support
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Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
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EVB. The only function that we need to touch is pwrap_init_cipher().
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/soc/mediatek/mtk-pmic-wrap.c | 43 ++++++++++++++++++++++++++++++++++
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1 file changed, 43 insertions(+)
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diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
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index bcc841e..0e4ebb8 100644
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--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
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+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
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@@ -93,6 +93,27 @@ enum dew_regs {
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PWRAP_DEW_EVENT_TEST,
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PWRAP_DEW_CIPHER_LOAD,
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PWRAP_DEW_CIPHER_START,
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+
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+ /* MT6323 only regs */
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+ PWRAP_DEW_CIPHER_EN,
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+ PWRAP_DEW_RDDMY_NO,
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+};
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+
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+static const u32 mt6323_regs[] = {
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+ [PWRAP_DEW_BASE] = 0x0000,
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+ [PWRAP_DEW_DIO_EN] = 0x018a,
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+ [PWRAP_DEW_READ_TEST] = 0x018c,
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+ [PWRAP_DEW_WRITE_TEST] = 0x018e,
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+ [PWRAP_DEW_CRC_EN] = 0x0192,
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+ [PWRAP_DEW_CRC_VAL] = 0x0194,
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+ [PWRAP_DEW_MON_GRP_SEL] = 0x0196,
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+ [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0198,
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+ [PWRAP_DEW_CIPHER_IV_SEL] = 0x019a,
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+ [PWRAP_DEW_CIPHER_EN] = 0x019c,
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+ [PWRAP_DEW_CIPHER_RDY] = 0x019e,
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+ [PWRAP_DEW_CIPHER_MODE] = 0x01a0,
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+ [PWRAP_DEW_CIPHER_SWRST] = 0x01a2,
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+ [PWRAP_DEW_RDDMY_NO] = 0x01a4,
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};
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static const u32 mt6397_regs[] = {
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@@ -371,6 +392,7 @@ static int mt8135_regs[] = {
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};
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enum pmic_type {
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+ PMIC_MT6323,
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PMIC_MT6397,
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};
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@@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
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pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);
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pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);
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+ switch (wrp->slave->type) {
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+ case PMIC_MT6397:
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+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],
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+ 0x1);
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+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],
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+ 0x1);
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+ break;
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+ case PMIC_MT6323:
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+ pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
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+ 0x1);
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+ break;
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+ }
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+
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/* wait for cipher data ready@AP */
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ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
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if (ret) {
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@@ -858,6 +893,11 @@ static const struct regmap_config pwrap_regmap_config = {
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.max_register = 0xffff,
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};
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+static const struct pwrap_slv_type pmic_mt6323 = {
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+ .dew_regs = mt6323_regs,
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+ .type = PMIC_MT6323,
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+};
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+
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static const struct pwrap_slv_type pmic_mt6397 = {
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.dew_regs = mt6397_regs,
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.type = PMIC_MT6397,
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@@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_mt6397 = {
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static const struct of_device_id of_slave_match_tbl[] = {
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{
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+ .compatible = "mediatek,mt6323",
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+ .data = &pmic_mt6323,
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+ }, {
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.compatible = "mediatek,mt6397",
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.data = &pmic_mt6397,
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}, {
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--
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1.7.10.4
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