[PATCH 2/2] ARM: boards: remove obsolete PCA9450_RESET_CTRL setup
Ahmad Fatoum
a.fatoum at pengutronix.de
Tue Mar 11 04:03:07 PDT 2025
Hi,
On 3/11/25 11:50, Jonas Rebmann wrote:
> Since a previous commit, PCA9450_RESET_CTRL is initialized to 0xA1 in
> pca9450_probe; explicitly setting this in board.c has no effect anymore.
Note that there is a number of i.MX8M boards that also use the PCA9450
and configure 0xA1 into PCA9450_RESET_CTRL in their lowlevel.c.
Any particular reason against or for dropping the configuration there?
Thanks,
Ahmad
> Signed-off-by: Jonas Rebmann <jre at pengutronix.de>
> ---
> arch/arm/boards/phytec-phycore-imx93/board.c | 9 ---------
> arch/arm/boards/tqma93xx/board.c | 3 ---
> 2 files changed, 12 deletions(-)
>
> diff --git a/arch/arm/boards/phytec-phycore-imx93/board.c b/arch/arm/boards/phytec-phycore-imx93/board.c
> index 149248ca654624826d0e8f6fe0f1f42c2747e248..03ba8cb5026d2a9eaa054fcfc69e18872fcd658e 100644
> --- a/arch/arm/boards/phytec-phycore-imx93/board.c
> +++ b/arch/arm/boards/phytec-phycore-imx93/board.c
> @@ -6,23 +6,14 @@
> #include <init.h>
> #include <linux/kernel.h>
> #include <environment.h>
> -#include <mfd/pca9450.h>
> #include <deep-probe.h>
> #include <mach/imx/bbu.h>
> #include <linux/pinctrl/consumer.h>
>
> -static void phycore_imx93_init_pmic(struct regmap *map)
> -{
> - /* set WDOG_B_CFG to cold reset */
> - regmap_write(map, PCA9450_RESET_CTRL, 0xA1);
> -}
> -
> static int phycore_imx93_probe(struct device *dev)
> {
> struct device_node *np;
>
> - pca9450_register_init_callback(phycore_imx93_init_pmic);
> -
> /*
> * The phy on the EQOS has its MDIO lines connected to the FEC. The phy
> * registers can only be successfully read when the EQOS pinctrl setup
> diff --git a/arch/arm/boards/tqma93xx/board.c b/arch/arm/boards/tqma93xx/board.c
> index b181784079cf12e5a112d13f95c87c2cf5ebeba6..b4de6c2f6c347cb255537a3784a667a9c2607de3 100644
> --- a/arch/arm/boards/tqma93xx/board.c
> +++ b/arch/arm/boards/tqma93xx/board.c
> @@ -27,9 +27,6 @@ static void tqma93xx_init_pmic(struct regmap *map)
>
> /* I2C_LT_EN*/
> regmap_write(map, 0xa, 0x3);
> -
> - /* set WDOG_B_CFG to cold reset */
> - regmap_write(map, PCA9450_RESET_CTRL, 0xA1);
> }
>
> static int tqma93xx_probe(struct device *dev)
>
More information about the barebox
mailing list