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clk: uniphier: add clock frequency support for SPI 

Add clock control for SPI controller on UniPhier SoCs.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
hifive-unleashed-5.1
Kunihiko Hayashi 2018-07-19 14:23:48 +09:00 committed by Stephen Boyd
parent 9d222574ef
commit ff388ee365
2 changed files with 17 additions and 0 deletions
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9
drivers/clk/uniphier/clk-uniphier-peri.c
View File

@ -27,6 +27,12 @@
#define UNIPHIER_PERI_CLK_FI2C(idx, ch) \
UNIPHIER_CLK_GATE("i2c" #ch, (idx), "i2c", 0x24, 24 + (ch))
#define UNIPHIER_PERI_CLK_SCSSI(idx) \
UNIPHIER_CLK_GATE("scssi", (idx), "spi", 0x20, 17)
#define UNIPHIER_PERI_CLK_MCSSI(idx) \
UNIPHIER_CLK_GATE("mcssi", (idx), "spi", 0x24, 14)
const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = {
UNIPHIER_PERI_CLK_UART(0, 0),
UNIPHIER_PERI_CLK_UART(1, 1),
@ -38,6 +44,7 @@ const struct uniphier_clk_data uniphier_ld4_peri_clk_data[] = {
UNIPHIER_PERI_CLK_I2C(6, 2),
UNIPHIER_PERI_CLK_I2C(7, 3),
UNIPHIER_PERI_CLK_I2C(8, 4),
UNIPHIER_PERI_CLK_SCSSI(11),
{ /* sentinel */ }
};
@ -53,5 +60,7 @@ const struct uniphier_clk_data uniphier_pro4_peri_clk_data[] = {
UNIPHIER_PERI_CLK_FI2C(8, 4),
UNIPHIER_PERI_CLK_FI2C(9, 5),
UNIPHIER_PERI_CLK_FI2C(10, 6),
UNIPHIER_PERI_CLK_SCSSI(11),
UNIPHIER_PERI_CLK_MCSSI(12),
{ /* sentinel */ }
};

8
drivers/clk/uniphier/clk-uniphier-sys.c
View File

@ -95,6 +95,7 @@ const struct uniphier_clk_data uniphier_ld4_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 5625, 512), /* 270 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 16),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
UNIPHIER_LD4_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_LD4_SYS_CLK_SD,
@ -111,6 +112,7 @@ const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("gpll", -1, "ref", 10, 1), /* 250 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32),
UNIPHIER_CLK_FACTOR("spi", 1, "spll", 1, 32),
UNIPHIER_LD4_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_LD4_SYS_CLK_SD,
@ -137,6 +139,7 @@ const struct uniphier_clk_data uniphier_sld8_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25), /* 270 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 20),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 16),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 32),
UNIPHIER_LD4_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_LD4_SYS_CLK_SD,
@ -151,6 +154,7 @@ const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("dapll2", -1, "dapll1", 144, 125), /* 2949.12 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "dapll2", 1, 40),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
UNIPHIER_PRO5_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_PRO5_SYS_CLK_SD,
@ -167,6 +171,7 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("spll", -1, "ref", 96, 1), /* 2400 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 27),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 48),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 48),
UNIPHIER_PRO5_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_PRO5_SYS_CLK_SD,
@ -193,6 +198,7 @@ const struct uniphier_clk_data uniphier_ld11_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vspll", -1, "ref", 80, 1), /* 2000 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
UNIPHIER_LD11_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_LD11_SYS_CLK_EMMC(4),
@ -227,6 +233,7 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("vppll", -1, "ref", 504, 5), /* 2520 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
UNIPHIER_LD11_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),
UNIPHIER_LD11_SYS_CLK_EMMC(4),
@ -271,6 +278,7 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
UNIPHIER_CLK_FACTOR("s2pll", -1, "ref", 88, 1), /* IPP: 2400 MHz */
UNIPHIER_CLK_FACTOR("uart", 0, "spll", 1, 34),
UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 40),
UNIPHIER_CLK_FACTOR("spi", -1, "spll", 1, 40),
UNIPHIER_LD20_SYS_CLK_SD,
UNIPHIER_LD11_SYS_CLK_NAND(2),
UNIPHIER_SYS_CLK_NAND_4X(3),