Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/61499 )
Change subject: mb/google/brya: Lock TPM pin in brask and brya baseboards ......................................................................
mb/google/brya: Lock TPM pin in brask and brya baseboards
This applies a configuration lock to the TPM I2C and IRQ GPIO for all brya and brask variants.
BUG=b:208827718 TEST=cat /sys/kernel/debug/pinctrl/INTC1055:00/pins suggests I2C_TPM_SDL and I2C_TPM__SDA GPIO PINs are locked.
Signed-off-by: Subrata Banik subratabanik@google.com Change-Id: I4f2a7014faeecd4701ea35ec77ef0e1692516b9d Reviewed-on: https://review.coreboot.org/c/coreboot/+/61499 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: EricR Lai ericr_lai@compal.corp-partner.google.com Reviewed-by: Tim Wawrzynczak twawrzynczak@chromium.org --- M src/mainboard/google/brya/variants/agah/gpio.c M src/mainboard/google/brya/variants/anahera/gpio.c M src/mainboard/google/brya/variants/anahera4es/gpio.c M src/mainboard/google/brya/variants/banshee/gpio.c M src/mainboard/google/brya/variants/baseboard/brask/gpio.c M src/mainboard/google/brya/variants/baseboard/brya/gpio.c M src/mainboard/google/brya/variants/brya0/gpio.c M src/mainboard/google/brya/variants/brya4es/gpio.c M src/mainboard/google/brya/variants/felwinter/gpio.c M src/mainboard/google/brya/variants/gimble/gpio.c M src/mainboard/google/brya/variants/gimble4es/gpio.c M src/mainboard/google/brya/variants/kano/gpio.c M src/mainboard/google/brya/variants/primus/gpio.c M src/mainboard/google/brya/variants/primus4es/gpio.c M src/mainboard/google/brya/variants/redrix/gpio.c M src/mainboard/google/brya/variants/redrix4es/gpio.c M src/mainboard/google/brya/variants/taeko/gpio.c M src/mainboard/google/brya/variants/taeko4es/gpio.c M src/mainboard/google/brya/variants/taniks/gpio.c M src/mainboard/google/brya/variants/vell/gpio.c M src/mainboard/google/brya/variants/volmar/gpio.c 21 files changed, 78 insertions(+), 8 deletions(-)
Approvals: build bot (Jenkins): Verified EricR Lai: Looks good to me, but someone else must approve Tim Wawrzynczak: Looks good to me, approved
diff --git a/src/mainboard/google/brya/variants/agah/gpio.c b/src/mainboard/google/brya/variants/agah/gpio.c index fbb9f0f..25c20f3 100644 --- a/src/mainboard/google/brya/variants/agah/gpio.c +++ b/src/mainboard/google/brya/variants/agah/gpio.c @@ -34,6 +34,10 @@ PAD_CFG_NF(GPP_B5, NONE, DEEP, NF2), /* B6 : ISH_I2C0_SDA ==> PCH_I2C_NVDD_GPU_SCL */ PAD_CFG_NF(GPP_B6, NONE, DEEP, NF2), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE),
diff --git a/src/mainboard/google/brya/variants/anahera/gpio.c b/src/mainboard/google/brya/variants/anahera/gpio.c index 1d15a08..ab3ea66 100644 --- a/src/mainboard/google/brya/variants/anahera/gpio.c +++ b/src/mainboard/google/brya/variants/anahera/gpio.c @@ -70,6 +70,10 @@ /* F20 : EXT_PWR_GATE# ==> NC */ PAD_NC(GPP_F20, NONE),
+ /* H6 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H20 : IMGCLKOUT1 ==> NC */ PAD_NC(GPP_H20, NONE), /* H21 : IMGCLKOUT2 ==> Privacy screen */ diff --git a/src/mainboard/google/brya/variants/anahera4es/gpio.c b/src/mainboard/google/brya/variants/anahera4es/gpio.c index 40dd56f..e7ded60 100644 --- a/src/mainboard/google/brya/variants/anahera4es/gpio.c +++ b/src/mainboard/google/brya/variants/anahera4es/gpio.c @@ -26,6 +26,10 @@ PAD_NC(GPP_B5, NONE), /* B6 : ISH_I2C0_SCL ==> NC */ PAD_NC(GPP_B6, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE),
diff --git a/src/mainboard/google/brya/variants/banshee/gpio.c b/src/mainboard/google/brya/variants/banshee/gpio.c index 8757e40..8ea51d8 100644 --- a/src/mainboard/google/brya/variants/banshee/gpio.c +++ b/src/mainboard/google/brya/variants/banshee/gpio.c @@ -51,8 +51,6 @@ PAD_NC(GPP_B5, NONE), /* B6 : ISH_I2C0_SCL ==> NC */ PAD_NC(GPP_B6, NONE), - /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ - /* B8 : ISH_I2C1_SCL ==> PCH_I2C_TPM_SCL */ /* B9 : NC */ /* B10 : NC */ /* B11 : PMCALERT# ==> EN_PP3300_WLAN */ @@ -197,8 +195,10 @@ /* H3 : SX_EXIT_HOLDOFF# ==> WLAN_PCIE_WAKE_ODL */ /* H4 : I2C0_SDA ==> PCH_I2C_AUD_SDA */ /* H5 : I2C0_SCL ==> PCH_I2C_AUD_SCL */ - /* H6 : I2C1_SDA ==> PCH_I2C_TCHSCR_SDA */ - /* H7 : I2C1_SCL ==> PCH_I2C_TCHSCR_SCL */ + /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/baseboard/brask/gpio.c b/src/mainboard/google/brya/variants/baseboard/brask/gpio.c index 268cddc..40d73eb 100644 --- a/src/mainboard/google/brya/variants/baseboard/brask/gpio.c +++ b/src/mainboard/google/brya/variants/baseboard/brask/gpio.c @@ -269,9 +269,9 @@ /* H5 : I2C0_SCL ==> PCH_I2C_AUD_SCL */ PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1), /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ - PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1), + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ - PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1), + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> WWAN_WLAN_COEX1 */ PAD_CFG_NF(GPP_H8, NONE, DEEP, NF2), /* H9 : I2C4_SCL ==> WWAN_WLAN_COEX2 */ diff --git a/src/mainboard/google/brya/variants/baseboard/brya/gpio.c b/src/mainboard/google/brya/variants/baseboard/brya/gpio.c index 88dbe0e..ffc549e 100644 --- a/src/mainboard/google/brya/variants/baseboard/brya/gpio.c +++ b/src/mainboard/google/brya/variants/baseboard/brya/gpio.c @@ -458,8 +458,6 @@ }
static struct gpio_lock_config lockable_brya_gpios[] = { - { GPP_B6, GPIO_LOCK_CONFIG }, /* PCH_I2C_TPM_SCL */ - { GPP_B7, GPIO_LOCK_CONFIG }, /* PCH_I2C_TPM_SDA */ { GPP_A13, GPIO_LOCK_CONFIG }, /* GSC_PCH_INT_ODL */ { GPP_E15, GPIO_LOCK_CONFIG }, /* PCH_WP_OD */ { GPP_F11, GPIO_LOCK_CONFIG }, /* GSPI_PCH_CLK_FPMCU_R */ diff --git a/src/mainboard/google/brya/variants/brya0/gpio.c b/src/mainboard/google/brya/variants/brya0/gpio.c index f6171a6..4cf99df 100644 --- a/src/mainboard/google/brya/variants/brya0/gpio.c +++ b/src/mainboard/google/brya/variants/brya0/gpio.c @@ -7,6 +7,10 @@ static const struct pad_config board_id0_1_overrides[] = { /* B2 : VRALERT# ==> NC */ PAD_NC(GPP_B2, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE), /* C3 : SML0CLK ==> NC */ diff --git a/src/mainboard/google/brya/variants/brya4es/gpio.c b/src/mainboard/google/brya/variants/brya4es/gpio.c index f6171a6..4cf99df 100644 --- a/src/mainboard/google/brya/variants/brya4es/gpio.c +++ b/src/mainboard/google/brya/variants/brya4es/gpio.c @@ -7,6 +7,10 @@ static const struct pad_config board_id0_1_overrides[] = { /* B2 : VRALERT# ==> NC */ PAD_NC(GPP_B2, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE), /* C3 : SML0CLK ==> NC */ diff --git a/src/mainboard/google/brya/variants/felwinter/gpio.c b/src/mainboard/google/brya/variants/felwinter/gpio.c index 3f09d5b..186c045 100644 --- a/src/mainboard/google/brya/variants/felwinter/gpio.c +++ b/src/mainboard/google/brya/variants/felwinter/gpio.c @@ -73,6 +73,10 @@ PAD_NC(GPP_F20, NONE), /* F21 : EXT_PWR_GATE2# ==> NC */ PAD_NC(GPP_F21, NONE), + /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/gimble/gpio.c b/src/mainboard/google/brya/variants/gimble/gpio.c index c0749c3..fc43e94 100644 --- a/src/mainboard/google/brya/variants/gimble/gpio.c +++ b/src/mainboard/google/brya/variants/gimble/gpio.c @@ -79,6 +79,10 @@ /* F21 : EXT_PWR_GATE2# ==> NC */ PAD_NC(GPP_F21, NONE),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA_P2 */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL_P2 */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/gimble4es/gpio.c b/src/mainboard/google/brya/variants/gimble4es/gpio.c index 685b37a..5606733 100644 --- a/src/mainboard/google/brya/variants/gimble4es/gpio.c +++ b/src/mainboard/google/brya/variants/gimble4es/gpio.c @@ -32,6 +32,10 @@ PAD_NC(GPP_B5, NONE), /* B6 : ISH_I2C0_SCL ==> NC */ PAD_NC(GPP_B6, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG),
/* C3 : SML0CLK ==> NC */ PAD_NC(GPP_C3, NONE), diff --git a/src/mainboard/google/brya/variants/kano/gpio.c b/src/mainboard/google/brya/variants/kano/gpio.c index 6f74e25..57975f7 100644 --- a/src/mainboard/google/brya/variants/kano/gpio.c +++ b/src/mainboard/google/brya/variants/kano/gpio.c @@ -63,6 +63,10 @@ /* F21 : EXT_PWR_GATE2# ==> NC */ PAD_NC(GPP_F21, NONE),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/primus/gpio.c b/src/mainboard/google/brya/variants/primus/gpio.c index e30163c..36766f4 100644 --- a/src/mainboard/google/brya/variants/primus/gpio.c +++ b/src/mainboard/google/brya/variants/primus/gpio.c @@ -57,6 +57,10 @@ /* F20 : EXT_PWR_GATE# ==> NC */ PAD_NC(GPP_F20, NONE),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H19 : SRCCLKREQ4# ==> NC */ PAD_NC(GPP_H19, NONE), /* H21 : IMGCLKOUT2 ==> NC */ diff --git a/src/mainboard/google/brya/variants/primus4es/gpio.c b/src/mainboard/google/brya/variants/primus4es/gpio.c index f0d1c5d..42d2bcb 100644 --- a/src/mainboard/google/brya/variants/primus4es/gpio.c +++ b/src/mainboard/google/brya/variants/primus4es/gpio.c @@ -24,6 +24,10 @@ PAD_NC(GPP_B2, NONE), /* B3 : PROC_GP2 ==> eMMC_PERST_L */ PAD_CFG_GPO(GPP_B3, 1, DEEP), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE),
diff --git a/src/mainboard/google/brya/variants/redrix/gpio.c b/src/mainboard/google/brya/variants/redrix/gpio.c index f9fd731..854b6ca 100644 --- a/src/mainboard/google/brya/variants/redrix/gpio.c +++ b/src/mainboard/google/brya/variants/redrix/gpio.c @@ -50,6 +50,10 @@
/* H3 : SX_EXIT_HOLDOFF# ==> NC */ PAD_NC(GPP_H3, NONE), + /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H20 : IMGCLKOUT1 ==> NC */ PAD_NC(GPP_H20, NONE), /* H21 : IMGCLKOUT2 ==> Privacy screen */ diff --git a/src/mainboard/google/brya/variants/redrix4es/gpio.c b/src/mainboard/google/brya/variants/redrix4es/gpio.c index afcb7e9..a04ebaf 100644 --- a/src/mainboard/google/brya/variants/redrix4es/gpio.c +++ b/src/mainboard/google/brya/variants/redrix4es/gpio.c @@ -20,6 +20,10 @@
/* B3 : PROC_GP2 ==> NC */ PAD_NC(GPP_B3, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE),
diff --git a/src/mainboard/google/brya/variants/taeko/gpio.c b/src/mainboard/google/brya/variants/taeko/gpio.c index 4d93e54..a97aef8 100644 --- a/src/mainboard/google/brya/variants/taeko/gpio.c +++ b/src/mainboard/google/brya/variants/taeko/gpio.c @@ -97,6 +97,10 @@ /* F23 : BP105_CTRL ==> PP1050_CTRL */ PAD_CFG_NF(GPP_F23, NONE, DEEP, NF1),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/taeko4es/gpio.c b/src/mainboard/google/brya/variants/taeko4es/gpio.c index 5d8badf..7105c09 100644 --- a/src/mainboard/google/brya/variants/taeko4es/gpio.c +++ b/src/mainboard/google/brya/variants/taeko4es/gpio.c @@ -34,6 +34,10 @@ PAD_NC(GPP_B2, NONE), /* B3 : PROC_GP2 ==> NC */ PAD_NC(GPP_B3, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE),
diff --git a/src/mainboard/google/brya/variants/taniks/gpio.c b/src/mainboard/google/brya/variants/taniks/gpio.c index 41f080b..05a68d1 100644 --- a/src/mainboard/google/brya/variants/taniks/gpio.c +++ b/src/mainboard/google/brya/variants/taniks/gpio.c @@ -115,6 +115,10 @@ /* F23 : BP105_CTRL ==> PP1050_CTRL */ PAD_CFG_NF(GPP_F23, NONE, DEEP, NF1),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */ diff --git a/src/mainboard/google/brya/variants/vell/gpio.c b/src/mainboard/google/brya/variants/vell/gpio.c index b7ade2e..6dbfb69 100644 --- a/src/mainboard/google/brya/variants/vell/gpio.c +++ b/src/mainboard/google/brya/variants/vell/gpio.c @@ -47,6 +47,10 @@ /* F19 : NC */ PAD_NC(GPP_F19, NONE),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : IC1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H12 : I2C7_SDA ==> UWB_SDA */ PAD_CFG_NF(GPP_H12, NONE, DEEP, NF1), /* H13 : I2C7_SCL ==> UWB_SCL */ diff --git a/src/mainboard/google/brya/variants/volmar/gpio.c b/src/mainboard/google/brya/variants/volmar/gpio.c index 8c13b2f..3f3a181 100644 --- a/src/mainboard/google/brya/variants/volmar/gpio.c +++ b/src/mainboard/google/brya/variants/volmar/gpio.c @@ -72,6 +72,10 @@ /* F21 : EXT_PWR_GATE2# ==> NC */ PAD_NC(GPP_F21, NONE),
+ /* H6 : I2C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_H6, NONE, NF1, LOCK_CONFIG), + /* H7 : I2C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_H7, NONE, NF1, LOCK_CONFIG), /* H8 : I2C4_SDA ==> NC */ PAD_NC(GPP_H8, NONE), /* H9 : I2C4_SCL ==> NC */
3 is the latest approved patch-set. No files were changed between the latest approved patch-set and the submitted one.
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Subrata Banik (Code Review)