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| author | arthur.lin <arthur.lin@lcfc.corp-partner.google.com> | 2022-05-09 23:41:51 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-05-18 09:45:02 +0000 |
| commit | df6629521c7ee37a659325ba238eb739c9c1574b (patch) | |
| tree | f0cb0c2b3cfc4a511d5a7d62632474ca70b8f5e7 | |
| parent | b2b4b5ed760e69c560558d3031d1e272742b334e (diff) | |
| download | chrome-ec-df6629521c7ee37a659325ba238eb739c9c1574b.tar.gz | |
anx7447: Read ANX7447 firmware version
Add ANX7447 firmware version reading for new adding PD firmware.
BUG=b:227705897
BRANCH=None
TEST=make buildall -j
Signed-off-by: arthur.lin <arthur.lin@lcfc.corp-partner.google.com>
Change-Id: I0eeedf9059bda8fead8cc05405dac4723da9d0e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3644553
Commit-Queue: Jimmy Wu <jimmy.wu@lcfc.corp-partner.google.com>
Tested-by: Jimmy Wu <jimmy.wu@lcfc.corp-partner.google.com>
Tested-by: Peichao Wang <pwang12@lenovo.corp-partner.google.com>
Reviewed-by: Peichao Wang <pwang12@lenovo.corp-partner.google.com>
Reviewed-by: Marco Chen <marcochen@chromium.org>
| -rw-r--r-- | driver/tcpm/anx7447.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/driver/tcpm/anx7447.c b/driver/tcpm/anx7447.c index d9f7d21f9f..740e0f3055 100644 --- a/driver/tcpm/anx7447.c +++ b/driver/tcpm/anx7447.c @@ -561,6 +561,33 @@ static int anx7447_mux_get(int port, mux_state_t *mux_state) #endif /* CONFIG_USB_PD_TCPM_MUX */ /* ANX7447 is a TCPCI compatible port controller */ + +static int anx7447_get_chip_info(int port, int live, + struct ec_response_pd_chip_info_v1 **chip_info) +{ + int rv = tcpci_get_chip_info(port, live, chip_info); + int val; + + if (rv) + return rv; + + if ((*chip_info)->fw_version_number == -1 || live) { + /* + * Before reading ANX7447 SPI slave address 0x7e for + * new added FW version, need to read ANX7447 I2c + * slave address 0x58 first to wake up ANX7447. + */ + tcpc_read(port, ANX7447_REG_OCM_VERSION, &val); + rv = anx7447_reg_read(port, ANX7447_REG_OCM_VERSION, &val); + + if (rv) + return rv; + if (val != 0) + (*chip_info)->fw_version_number = val; + } + + return rv; +} const struct tcpm_drv anx7447_tcpm_drv = { .init = &anx7447_init, .release = &anx7447_release, @@ -585,6 +612,7 @@ const struct tcpm_drv anx7447_tcpm_drv = { #endif .get_chip_info = &tcpci_get_chip_info, #ifdef CONFIG_USBC_PPC + .get_chip_info = &anx7447_get_chip_info, .set_snk_ctrl = &tcpci_tcpm_set_snk_ctrl, .set_src_ctrl = &tcpci_tcpm_set_src_ctrl, #endif |