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openwrt/target/linux/mediatek/patches-4.4/0041-soc-mediatek-PMIC-wrap-add-MT2701-7623-support.patch
Álvaro Fernández Rojas a105eac4dd kernel: update kernel 4.4 to version 4.4.12 
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-06-02 15:34:34 +02:00

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From 7736d97fe2c6c71c9009a1b45a94de06bfc94a37 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 20 Jan 2016 12:09:14 +0100
Subject: [PATCH 041/102] soc: mediatek: PMIC wrap: add MT2701/7623 support
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(+)
--- 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(s
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
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_specifi
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_slav
};
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_mt
static struct of_device_id of_pwrap_match_tbl[] = {
{
+ .compatible = "mediatek,mt2701-pwrap",
+ .data = &pwrap_mt2701,
+ }, {
.compatible = "mediatek,mt8135-pwrap",
.data = &pwrap_mt8135,
}, {
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