From dbaf381ffbf3acd4ac9a987f567a2b1a5edf6e62 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Tue, 9 Sep 2014 17:13:25 +0800 Subject: [PATCH] ARM: clk-imx6sl: refine clock tree for SSI Each SSI has "ssi", "ssi_ipg" clocks, and they share same gate bits. Signed-off-by: Shengjiu Wang Signed-off-by: Shawn Guo --- arch/arm/mach-imx/clk-imx6sl.c | 13 ++++++++++--- include/dt-bindings/clock/imx6sl-clock.h | 5 ++++- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/clk-imx6sl.c b/arch/arm/mach-imx/clk-imx6sl.c index 6791ff3e8914..c8de87bc617f 100644 --- a/arch/arm/mach-imx/clk-imx6sl.c +++ b/arch/arm/mach-imx/clk-imx6sl.c @@ -95,6 +95,10 @@ static struct clk_div_table video_div_table[] = { { } }; +static unsigned int share_count_ssi1; +static unsigned int share_count_ssi2; +static unsigned int share_count_ssi3; + static struct clk *clks[IMX6SL_CLK_END]; static struct clk_onecell_data clk_data; static void __iomem *ccm_base; @@ -392,9 +396,12 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node) clks[IMX6SL_CLK_SDMA] = imx_clk_gate2("sdma", "ipg", base + 0x7c, 6); clks[IMX6SL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); clks[IMX6SL_CLK_SPDIF] = imx_clk_gate2("spdif", "spdif0_podf", base + 0x7c, 14); - clks[IMX6SL_CLK_SSI1] = imx_clk_gate2("ssi1", "ssi1_podf", base + 0x7c, 18); - clks[IMX6SL_CLK_SSI2] = imx_clk_gate2("ssi2", "ssi2_podf", base + 0x7c, 20); - clks[IMX6SL_CLK_SSI3] = imx_clk_gate2("ssi3", "ssi3_podf", base + 0x7c, 22); + clks[IMX6SL_CLK_SSI1_IPG] = imx_clk_gate2_shared("ssi1_ipg", "ipg", base + 0x7c, 18, &share_count_ssi1); + clks[IMX6SL_CLK_SSI2_IPG] = imx_clk_gate2_shared("ssi2_ipg", "ipg", base + 0x7c, 20, &share_count_ssi2); + clks[IMX6SL_CLK_SSI3_IPG] = imx_clk_gate2_shared("ssi3_ipg", "ipg", base + 0x7c, 22, &share_count_ssi3); + clks[IMX6SL_CLK_SSI1] = imx_clk_gate2_shared("ssi1", "ssi1_podf", base + 0x7c, 18, &share_count_ssi1); + clks[IMX6SL_CLK_SSI2] = imx_clk_gate2_shared("ssi2", "ssi2_podf", base + 0x7c, 20, &share_count_ssi2); + clks[IMX6SL_CLK_SSI3] = imx_clk_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3); clks[IMX6SL_CLK_UART] = imx_clk_gate2("uart", "ipg", base + 0x7c, 24); clks[IMX6SL_CLK_UART_SERIAL] = imx_clk_gate2("uart_serial", "uart_root", base + 0x7c, 26); clks[IMX6SL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); diff --git a/include/dt-bindings/clock/imx6sl-clock.h b/include/dt-bindings/clock/imx6sl-clock.h index f10a928fe2dd..9ce4e421096f 100644 --- a/include/dt-bindings/clock/imx6sl-clock.h +++ b/include/dt-bindings/clock/imx6sl-clock.h @@ -171,6 +171,9 @@ #define IMX6SL_PLL5_BYPASS 158 #define IMX6SL_PLL6_BYPASS 159 #define IMX6SL_PLL7_BYPASS 160 -#define IMX6SL_CLK_END 161 +#define IMX6SL_CLK_SSI1_IPG 161 +#define IMX6SL_CLK_SSI2_IPG 162 +#define IMX6SL_CLK_SSI3_IPG 163 +#define IMX6SL_CLK_END 164 #endif /* __DT_BINDINGS_CLOCK_IMX6SL_H */ -- 2.20.1