From e7bed5c2b30c894666e43b68a3d7b8e8f91da50d Mon Sep 17 00:00:00 2001 From: Matthias Weisser Date: Mon, 24 Sep 2012 02:46:53 +0000 Subject: imx: Use MXC_I2C_CLK in imx i2c driver i2c didn't work on imx25 due to missing MXC_IPG_PERCLK. Now using MXC_I2C_CLK on all imx systems using i2c. Signed-off-by: Matthias Weisser Acked-by: Stefano Babic --- arch/arm/cpu/arm1136/mx31/generic.c | 1 + arch/arm/cpu/arm1136/mx35/generic.c | 1 + arch/arm/cpu/armv7/mx5/clock.c | 1 + arch/arm/cpu/armv7/mx6/clock.c | 1 + arch/arm/include/asm/arch-mx31/clock.h | 1 + arch/arm/include/asm/arch-mx35/clock.h | 1 + arch/arm/include/asm/arch-mx5/clock.h | 1 + arch/arm/include/asm/arch-mx6/clock.h | 1 + drivers/i2c/mxc_i2c.c | 4 ++-- 9 files changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm/cpu/arm1136/mx31/generic.c b/arch/arm/cpu/arm1136/mx31/generic.c index 93f429c..b9f9b43 100644 --- a/arch/arm/cpu/arm1136/mx31/generic.c +++ b/arch/arm/cpu/arm1136/mx31/generic.c @@ -104,6 +104,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_CSPI_CLK: case MXC_UART_CLK: case MXC_ESDHC_CLK: + case MXC_I2C_CLK: return mx31_get_ipg_clk(); case MXC_IPU_CLK: return mx31_get_hsp_clk(); diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c index ef65176..7dc1a8e 100644 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -357,6 +357,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_IPG_CLK: return get_ipg_clk(); case MXC_IPG_PERCLK: + case MXC_I2C_CLK: return get_ipg_per_clk(); case MXC_UART_CLK: return imx_get_uartclk(); diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c index c67c3cf..8fa737a 100644 --- a/arch/arm/cpu/armv7/mx5/clock.c +++ b/arch/arm/cpu/armv7/mx5/clock.c @@ -482,6 +482,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_IPG_CLK: return get_ipg_clk(); case MXC_IPG_PERCLK: + case MXC_I2C_CLK: return get_ipg_per_clk(); case MXC_UART_CLK: return get_uart_clk(); diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index ed2c913..76486e7 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -357,6 +357,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_IPG_CLK: return get_ipg_clk(); case MXC_IPG_PERCLK: + case MXC_I2C_CLK: return get_ipg_per_clk(); case MXC_UART_CLK: return get_uart_clk(); diff --git a/arch/arm/include/asm/arch-mx31/clock.h b/arch/arm/include/asm/arch-mx31/clock.h index 9468b45..1dbb8da 100644 --- a/arch/arm/include/asm/arch-mx31/clock.h +++ b/arch/arm/include/asm/arch-mx31/clock.h @@ -46,6 +46,7 @@ enum mxc_clock { MXC_UART_CLK, MXC_IPU_CLK, MXC_ESDHC_CLK, + MXC_I2C_CLK, }; unsigned int mxc_get_clock(enum mxc_clock clk); diff --git a/arch/arm/include/asm/arch-mx35/clock.h b/arch/arm/include/asm/arch-mx35/clock.h index eb7458a..2eff08d 100644 --- a/arch/arm/include/asm/arch-mx35/clock.h +++ b/arch/arm/include/asm/arch-mx35/clock.h @@ -48,6 +48,7 @@ enum mxc_clock { MXC_USB_CLK, MXC_CSPI_CLK, MXC_FEC_CLK, + MXC_I2C_CLK, }; enum mxc_main_clock { diff --git a/arch/arm/include/asm/arch-mx5/clock.h b/arch/arm/include/asm/arch-mx5/clock.h index 8d8fa18..21febd8 100644 --- a/arch/arm/include/asm/arch-mx5/clock.h +++ b/arch/arm/include/asm/arch-mx5/clock.h @@ -36,6 +36,7 @@ enum mxc_clock { MXC_DDR_CLK, MXC_NFC_CLK, MXC_PERIPH_CLK, + MXC_I2C_CLK, }; u32 imx_get_uartclk(void); diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h index c55c18d..2af04f0 100644 --- a/arch/arm/include/asm/arch-mx6/clock.h +++ b/arch/arm/include/asm/arch-mx6/clock.h @@ -41,6 +41,7 @@ enum mxc_clock { MXC_ESDHC4_CLK, MXC_SATA_CLK, MXC_NFC_CLK, + MXC_I2C_CLK, }; u32 imx_get_uartclk(void); diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index 73d8958..18270b9 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -98,7 +98,7 @@ static uint8_t i2c_imx_get_clk(unsigned int rate) #endif /* Divider value calculation */ - i2c_clk_rate = mxc_get_clock(MXC_IPG_PERCLK); + i2c_clk_rate = mxc_get_clock(MXC_I2C_CLK); div = (i2c_clk_rate + rate - 1) / rate; if (div < i2c_clk_div[0][0]) clk_div = 0; @@ -142,7 +142,7 @@ unsigned int bus_i2c_get_bus_speed(void *base) for (clk_div = 0; i2c_clk_div[clk_div][1] != clk_idx; clk_div++) ; - return mxc_get_clock(MXC_IPG_PERCLK) / i2c_clk_div[clk_div][0]; + return mxc_get_clock(MXC_I2C_CLK) / i2c_clk_div[clk_div][0]; } #define ST_BUS_IDLE (0 | (I2SR_IBB << 8)) -- cgit v1.1