diff options
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/grf_rk3328.h | 30 | ||||
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl_rk3328.c | 47 |
2 files changed, 43 insertions, 34 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3328.h b/arch/arm/include/asm/arch-rockchip/grf_rk3328.h index 40a4de0db6..f0a0781d8d 100644 --- a/arch/arm/include/asm/arch-rockchip/grf_rk3328.h +++ b/arch/arm/include/asm/arch-rockchip/grf_rk3328.h @@ -228,21 +228,21 @@ enum { GPIO3C0_EMMC_DATA567_PWR_CLK_RSTN_CMD = 0x2aaa, /* COM_IOMUX */ - UART2_IOMUX_SEL_SHIFT = 0, - UART2_IOMUX_SEL_MASK = 3 << UART2_IOMUX_SEL_SHIFT, - UART2_IOMUX_SEL_M0 = 0, - UART2_IOMUX_SEL_M1, - - SPI_IOMUX_SEL_SHIFT = 4, - SPI_IOMUX_SEL_MASK = 3 << SPI_IOMUX_SEL_SHIFT, - SPI_IOMUX_SEL_M0 = 0, - SPI_IOMUX_SEL_M1, - SPI_IOMUX_SEL_M2, - - CARD_IOMUX_SEL_SHIFT = 7, - CARD_IOMUX_SEL_MASK = 1 << CARD_IOMUX_SEL_SHIFT, - CARD_IOMUX_SEL_M0 = 0, - CARD_IOMUX_SEL_M1, + IOMUX_SEL_UART2_SHIFT = 0, + IOMUX_SEL_UART2_MASK = 3 << IOMUX_SEL_UART2_SHIFT, + IOMUX_SEL_UART2_M0 = 0, + IOMUX_SEL_UART2_M1, + + IOMUX_SEL_SPI_SHIFT = 4, + IOMUX_SEL_SPI_MASK = 3 << IOMUX_SEL_SPI_SHIFT, + IOMUX_SEL_SPI_M0 = 0, + IOMUX_SEL_SPI_M1, + IOMUX_SEL_SPI_M2, + + IOMUX_SEL_SDMMC_SHIFT = 7, + IOMUX_SEL_SDMMC_MASK = 1 << IOMUX_SEL_SDMMC_SHIFT, + IOMUX_SEL_SDMMC_M0 = 0, + IOMUX_SEL_SDMMC_M1, }; #endif /* __SOC_ROCKCHIP_RK3328_GRF_H__ */ diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3328.c b/drivers/pinctrl/rockchip/pinctrl_rk3328.c index cf3435e37f..d0ffeb1f04 100644 --- a/drivers/pinctrl/rockchip/pinctrl_rk3328.c +++ b/drivers/pinctrl/rockchip/pinctrl_rk3328.c @@ -97,9 +97,13 @@ static void pinctrl_rk3328_lcdc_config(struct rk3328_grf_regs *grf, int lcd_id) static int pinctrl_rk3328_spi_config(struct rk3328_grf_regs *grf, enum periph_id spi_id, int cs) { - rk_clrsetreg(&grf->com_iomux, - SPI_IOMUX_SEL_MASK, - SPI_IOMUX_SEL_M0 << SPI_IOMUX_SEL_SHIFT); + u32 com_iomux = readl(&grf->com_iomux); + + if ((com_iomux & IOMUX_SEL_SPI_MASK) != + IOMUX_SEL_SPI_M0 << IOMUX_SEL_SPI_SHIFT) { + debug("driver do not support iomux other than m0\n"); + goto err; + } switch (spi_id) { case PERIPH_ID_SPI0: @@ -135,18 +139,17 @@ err: static void pinctrl_rk3328_uart_config(struct rk3328_grf_regs *grf, int uart_id) { + u32 com_iomux = readl(&grf->com_iomux); + switch (uart_id) { case PERIPH_ID_UART2: break; - /* uart2 iomux select m1 */ - rk_clrsetreg(&grf->com_iomux, - UART2_IOMUX_SEL_MASK, - UART2_IOMUX_SEL_M1 - << UART2_IOMUX_SEL_SHIFT); - rk_clrsetreg(&grf->gpio2a_iomux, - GPIO2A0_SEL_MASK | GPIO2A1_SEL_MASK, - GPIO2A0_UART2_TX_M1 << GPIO2A0_SEL_SHIFT | - GPIO2A1_UART2_RX_M1 << GPIO2A1_SEL_SHIFT); + if (com_iomux & IOMUX_SEL_UART2_MASK) + rk_clrsetreg(&grf->gpio2a_iomux, + GPIO2A0_SEL_MASK | GPIO2A1_SEL_MASK, + GPIO2A0_UART2_TX_M1 << GPIO2A0_SEL_SHIFT | + GPIO2A1_UART2_RX_M1 << GPIO2A1_SEL_SHIFT); + break; case PERIPH_ID_UART0: case PERIPH_ID_UART1: @@ -161,6 +164,8 @@ static void pinctrl_rk3328_uart_config(struct rk3328_grf_regs *grf, int uart_id) static void pinctrl_rk3328_sdmmc_config(struct rk3328_grf_regs *grf, int mmc_id) { + u32 com_iomux = readl(&grf->com_iomux); + switch (mmc_id) { case PERIPH_ID_EMMC: rk_clrsetreg(&grf->gpio0a_iomux, @@ -175,13 +180,17 @@ static void pinctrl_rk3328_sdmmc_config(struct rk3328_grf_regs *grf, << GPIO3C0_SEL_SHIFT); break; case PERIPH_ID_SDCARD: - /* sdcard iomux select m0 */ - rk_clrsetreg(&grf->com_iomux, - CARD_IOMUX_SEL_MASK, - CARD_IOMUX_SEL_M0 << CARD_IOMUX_SEL_SHIFT); - rk_clrsetreg(&grf->gpio2a_iomux, - GPIO2A7_SEL_MASK, - GPIO2A7_SDMMC0_PWRENM0 << GPIO2A7_SEL_SHIFT); + /* SDMMC_PWREN use GPIO and init as regulator-fiexed */ + if (com_iomux & IOMUX_SEL_SDMMC_MASK) + rk_clrsetreg(&grf->gpio0d_iomux, + GPIO0D6_SEL_MASK, + GPIO0D6_SDMMC0_PWRENM1 + << GPIO0D6_SEL_SHIFT); + else + rk_clrsetreg(&grf->gpio2a_iomux, + GPIO2A7_SEL_MASK, + GPIO2A7_SDMMC0_PWRENM0 + << GPIO2A7_SEL_SHIFT); rk_clrsetreg(&grf->gpio1a_iomux, GPIO1A0_SEL_MASK, GPIO1A0_CARD_DATA_CLK_CMD_DETN |