From patchwork Mon Sep 24 06:49:18 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,1/5] EXYNOS: CLK: Add i2c clock Date: Sun, 23 Sep 2012 20:49:18 -0000 From: Piotr Wilczek X-Patchwork-Id: 186306 Message-Id: <1348469362-17314-2-git-send-email-p.wilczek@samsung.com> To: u-boot@lists.denx.de Cc: Piotr Wilczek , Kyungmin Park This patch adds i2c clock for Exynos4 Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park CC: Minkyu Kang --- arch/arm/cpu/armv7/exynos/clock.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 4f3b451..e1737f8 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -732,6 +732,11 @@ static unsigned long exynos5_get_i2c_clk(void) return aclk_66; } +static unsigned long exynos4_get_i2c_clk(void) +{ + return get_pll_clk(EPLL); +} + unsigned long get_pll_clk(int pllreg) { if (cpu_is_exynos5()) @@ -752,6 +757,8 @@ unsigned long get_i2c_clk(void) { if (cpu_is_exynos5()) { return exynos5_get_i2c_clk(); + } else if (cpu_is_exynos4()) { + return exynos4_get_i2c_clk(); } else { debug("I2C clock is not set for this CPU\n"); return 0;