[PATCH V4 04/11] soc: mediatek: PMIC wrap: split SoC specific init into callback

From: John Crispin
Date: Wed Jan 27 2016 - 06:31:36 EST


This patch moves the SoC specific wrapper init code into separate callback
to avoid pwrap_init() getting too large.

Signed-off-by: John Crispin <blogic@xxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 68 +++++++++++++++++++++-------------
1 file changed, 42 insertions(+), 26 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index b22b664..ab2202d 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_special)(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_special(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_special(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;
@@ -743,32 +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_special)
+ ret = wrp->master->init_special(wrp);
+ if (ret)
+ return ret;

/* Setup the init done registers */
pwrap_writel(wrp, 1, PWRAP_INIT_DONE2);
@@ -811,6 +825,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
.type = PWRAP_MT8135,
.arb_en_all = 0x1ff,
.init_reg_clock = pwrap_mt8135_init_reg_clock,
+ .init_special = pwrap_mt8135_init_special,
};

static struct pmic_wrapper_type pwrap_mt8173 = {
@@ -818,6 +833,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
.type = PWRAP_MT8173,
.arb_en_all = 0x3f,
.init_reg_clock = pwrap_mt8173_init_reg_clock,
+ .init_special = pwrap_mt8173_init_special,
};

static struct of_device_id of_pwrap_match_tbl[] = {
--
1.7.10.4