From: Hakyeong Kim <hgkim05@xxxxxxxxxx> Add clock support for below CMU block in ARTPEC-8 SoC. - CMU_PERI Signed-off-by: Varada Pavani <v.pavani@xxxxxxxxxxx> Signed-off-by: Hakyeong Kim <hgkim05@xxxxxxxxxx> --- drivers/clk/samsung/clk-artpec8.c | 90 +++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) diff --git a/drivers/clk/samsung/clk-artpec8.c b/drivers/clk/samsung/clk-artpec8.c index 7ccec4ff8f70..f45bc9c113f0 100644 --- a/drivers/clk/samsung/clk-artpec8.c +++ b/drivers/clk/samsung/clk-artpec8.c @@ -20,6 +20,7 @@ #define CMU_CPUCL_NR_CLK (DOUT_CLK_CPUCL_PCLKDBG + 1) #define CMU_FSYS_NR_CLK (DOUT_SCAN_CLK_FSYS_MMC + 1) #define CMU_IMEM_NR_CLK (MOUT_IMEM_JPEG_USER + 1) +#define CMU_PERI_NR_CLK (DOUT_PERI_DSIM + 1) /* register offset definitions for cmu_cmu (0x12400000) */ #define PLL_LOCKTIME_PLL_AUDIO 0x0000 @@ -798,3 +799,92 @@ static void __init artpec8_clk_cmu_imem_init(struct device_node *np) CLK_OF_DECLARE(artpec8_clk_cmu_imem, "axis,artpec8-cmu-imem", artpec8_clk_cmu_imem_init); + +/* Register Offset definitions for CMU_PERI (0x16410000) */ +#define PLL_CON0_MUX_CLK_PERI_AUDIO_USER 0x0100 +#define PLL_CON0_MUX_CLK_PERI_DISP_USER 0x0120 +#define PLL_CON0_MUX_CLK_PERI_IP_USER 0x0140 +#define MUX_CLK_PERI_I2S0 0x1000 +#define MUX_CLK_PERI_I2S1 0x1004 +#define DIV_CLK_PERI_DSIM 0x1800 +#define DIV_CLK_PERI_I2S0 0x1804 +#define DIV_CLK_PERI_I2S1 0x1808 +#define DIV_CLK_PERI_PCLK 0x180c +#define DIV_CLK_PERI_SPI 0x1810 +#define DIV_CLK_PERI_UART1 0x1814 +#define DIV_CLK_PERI_UART2 0x1818 + +static const unsigned long cmu_peri_clk_regs[] __initconst = { + PLL_CON0_MUX_CLK_PERI_AUDIO_USER, + PLL_CON0_MUX_CLK_PERI_DISP_USER, + PLL_CON0_MUX_CLK_PERI_IP_USER, + MUX_CLK_PERI_I2S0, + MUX_CLK_PERI_I2S1, + DIV_CLK_PERI_DSIM, + DIV_CLK_PERI_I2S0, + DIV_CLK_PERI_I2S1, + DIV_CLK_PERI_PCLK, + DIV_CLK_PERI_SPI, + DIV_CLK_PERI_UART1, + DIV_CLK_PERI_UART2, +}; + +static const struct samsung_fixed_rate_clock peri_fixed_clks[] __initconst = { + FRATE(0, "clk_peri_audio", NULL, 0, 100000000), +}; + +PNAME(mout_peri_ip_user_p) = { "fin_pll", "dout_clkcmu_peri_ip" }; +PNAME(mout_peri_audio_user_p) = { "fin_pll", "dout_clkcmu_peri_audio" }; +PNAME(mout_peri_disp_user_p) = { "fin_pll", "dout_clkcmu_peri_disp" }; +PNAME(mout_peri_i2s0_p) = { "dout_peri_i2s0", "clk_peri_audio" }; +PNAME(mout_peri_i2s1_p) = { "dout_peri_i2s1", "clk_peri_audio" }; + +static const struct samsung_mux_clock cmu_peri_mux_clks[] __initconst = { + MUX(MOUT_PERI_IP_USER, "mout_peri_ip_user", mout_peri_ip_user_p, + PLL_CON0_MUX_CLK_PERI_IP_USER, 4, 1), + MUX(MOUT_PERI_AUDIO_USER, "mout_peri_audio_user", + mout_peri_audio_user_p, PLL_CON0_MUX_CLK_PERI_AUDIO_USER, 4, 1), + MUX(MOUT_PERI_DISP_USER, "mout_peri_disp_user", mout_peri_disp_user_p, + PLL_CON0_MUX_CLK_PERI_DISP_USER, 4, 1), + MUX(MOUT_PERI_I2S0, "mout_peri_i2s0", mout_peri_i2s0_p, + MUX_CLK_PERI_I2S0, 0, 1), + MUX(MOUT_PERI_I2S1, "mout_peri_i2s1", mout_peri_i2s1_p, + MUX_CLK_PERI_I2S1, 0, 1), +}; + +static const struct samsung_div_clock cmu_peri_div_clks[] __initconst = { + DIV(DOUT_PERI_SPI, "dout_peri_spi", "mout_peri_ip_user", + DIV_CLK_PERI_SPI, 0, 10), + DIV(DOUT_PERI_UART1, "dout_peri_uart1", "mout_peri_ip_user", + DIV_CLK_PERI_UART1, 0, 10), + DIV(DOUT_PERI_UART2, "dout_peri_uart2", "mout_peri_ip_user", + DIV_CLK_PERI_UART2, 0, 10), + DIV(DOUT_PERI_PCLK, "dout_peri_pclk", "mout_peri_ip_user", + DIV_CLK_PERI_PCLK, 0, 4), + DIV(DOUT_PERI_I2S0, "dout_peri_i2s0", "mout_peri_audio_user", + DIV_CLK_PERI_I2S0, 0, 4), + DIV(DOUT_PERI_I2S1, "dout_peri_i2s1", "mout_peri_audio_user", + DIV_CLK_PERI_I2S1, 0, 4), + DIV(DOUT_PERI_DSIM, "dout_peri_dsim", "mout_peri_disp_user", + DIV_CLK_PERI_DSIM, 0, 4), +}; + +static const struct samsung_cmu_info cmu_peri_info __initconst = { + .mux_clks = cmu_peri_mux_clks, + .nr_mux_clks = ARRAY_SIZE(cmu_peri_mux_clks), + .div_clks = cmu_peri_div_clks, + .nr_div_clks = ARRAY_SIZE(cmu_peri_div_clks), + .fixed_clks = peri_fixed_clks, + .nr_fixed_clks = ARRAY_SIZE(peri_fixed_clks), + .nr_clk_ids = CMU_PERI_NR_CLK, + .clk_regs = cmu_peri_clk_regs, + .nr_clk_regs = ARRAY_SIZE(cmu_peri_clk_regs), +}; + +static void __init artpec8_clk_cmu_peri_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &cmu_peri_info); +} + +CLK_OF_DECLARE(artpec8_clk_cmu_peri, "axis,artpec8-cmu-peri", + artpec8_clk_cmu_peri_init); -- 2.34.1