aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch')
-rw-r--r--target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch31
1 files changed, 14 insertions, 17 deletions
diff --git a/target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch b/target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch
index cab2178e2b..7b60c68e4b 100644
--- a/target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch
+++ b/target/linux/mediatek/patches-4.14/0121-soc-mediatek-pwrap-add-common-way-for-setup-CS-timin.patch
@@ -17,15 +17,21 @@ Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
drivers/soc/mediatek/mtk-pmic-wrap.c | 59 ++++++++++++++++++++++--------------
1 file changed, 37 insertions(+), 22 deletions(-)
-diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
-index 45c3e44d8f40..cbc3f0e82337 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
-@@ -827,23 +827,44 @@ static int pwrap_init_dual_io(struct pmic_wrapper *wrp)
+@@ -827,23 +827,44 @@ static int pwrap_init_dual_io(struct pmi
return 0;
}
-static int pwrap_mt8135_init_reg_clock(struct pmic_wrapper *wrp)
+-{
+- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
+- pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
+- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
+- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
+- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
+-
+- return 0;
+/*
+ * pwrap_init_chip_select_ext is used to configure CS extension time for each
+ * phase during data transactions on the pwrap bus.
@@ -33,12 +39,7 @@ index 45c3e44d8f40..cbc3f0e82337 100644
+static void pwrap_init_chip_select_ext(struct pmic_wrapper *wrp, u8 hext_write,
+ u8 hext_read, u8 lext_start,
+ u8 lext_end)
- {
-- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
-- pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
-- pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
-- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
-- pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
++{
+ /*
+ * After finishing a write and read transaction, extends CS high time
+ * to be at least xT of BUS CLK as hext_write and hext_read specifies
@@ -46,8 +47,7 @@ index 45c3e44d8f40..cbc3f0e82337 100644
+ */
+ pwrap_writel(wrp, hext_write, PWRAP_CSHEXT_WRITE);
+ pwrap_writel(wrp, hext_read, PWRAP_CSHEXT_READ);
-
-- return 0;
++
+ /*
+ * Extends CS low time after CSL and before CSH command to be at
+ * least xT of BUS CLK as lext_start and lext_end specifies
@@ -78,7 +78,7 @@ index 45c3e44d8f40..cbc3f0e82337 100644
return 0;
}
-@@ -853,20 +874,14 @@ static int pwrap_mt2701_init_reg_clock(struct pmic_wrapper *wrp)
+@@ -853,20 +874,14 @@ static int pwrap_mt2701_init_reg_clock(s
switch (wrp->slave->type) {
case PMIC_MT6397:
pwrap_writel(wrp, 0xc, PWRAP_RDDMY);
@@ -101,7 +101,7 @@ index 45c3e44d8f40..cbc3f0e82337 100644
break;
default:
break;
-@@ -1235,7 +1250,7 @@ static const struct pmic_wrapper_type pwrap_mt8135 = {
+@@ -1235,7 +1250,7 @@ static const struct pmic_wrapper_type pw
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_ALL,
.has_bridge = 1,
@@ -110,7 +110,7 @@ index 45c3e44d8f40..cbc3f0e82337 100644
.init_soc_specific = pwrap_mt8135_init_soc_specific,
};
-@@ -1247,7 +1262,7 @@ static const struct pmic_wrapper_type pwrap_mt8173 = {
+@@ -1247,7 +1262,7 @@ static const struct pmic_wrapper_type pw
.spi_w = PWRAP_MAN_CMD_SPI_WRITE,
.wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD,
.has_bridge = 0,
@@ -119,6 +119,3 @@ index 45c3e44d8f40..cbc3f0e82337 100644
.init_soc_specific = pwrap_mt8173_init_soc_specific,
};
---
-2.11.0
-